======================================
| xx__-> [    2.268686] ------------[ cut here ]------------
| [    2.268771] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/190
| [    2.268860] Modules linked in:
| [    2.269053] Tainted: [W]=WARN
[    2.269105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.269197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.269289] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.269417] RSP: 0018:ff75ca83c0497cb8 EFLAGS: 00010286
[    2.269482] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.269560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5d00
[    2.269639] RBP: 0000000000000000 R08: ff3addb944540090 R09: ff3addb94667502c
[    2.269716] R10: ff3addb946670120 R11: fefefefefefefeff R12: 0000000000000000
[    2.269796] R13: 0000000000000010 R14: ff3addb946670000 R15: ff3addb941df5d00
[    2.269876] FS:  00007f6b2aa55840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.269956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.270140] CR2: 0000000000479648 CR3: 000000000464e001 CR4: 0000000000771ef0
[    2.270228] PKRU: 55555554
[    2.270280] Call Trace:
[    2.270334]  <TASK>
[    2.270387]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.270449]  register_netdevice (net/core/dev.c:11488)
[    2.270510]  register_netdev (net/core/dev.c:11552)
[    2.270570]  loopback_net_init (drivers/net/loopback.c:218)
[    2.270661]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.270755]  ops_init (net/core/net_namespace.c:137)
[    2.270815]  setup_net (net/core/net_namespace.c:446)
[    2.270872]  copy_net_ns (net/core/net_namespace.c:579)
[    2.270937]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.271011]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.271120]  ksys_unshare (kernel/fork.c:3243)
[    2.271179]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.271241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.271306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.271380] RIP: 0033:0x7f6b2ad17bcb
[    2.271439] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.271579] RSP: 002b:00007ffd7b3d36e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.271660] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b2ad17bcb
[    2.271737] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.271818] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.271895] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7b3d5910
[    2.271976] R13: 0000000000000001 R14: 00007f6b2aa556f8 R15: 00007ffd7b3d68be
| [    2.272259] ------------[ cut here ]------------
| [    2.272322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/190
| [    2.272409] Modules linked in:
| [    2.272557] Tainted: [W]=WARN
[    2.272612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.272683] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.272747] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.272879] RSP: 0018:ff75ca83c0497c10 EFLAGS: 00010286
[    2.272950] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.273031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.273108] RBP: 0000000000000000 R08: ff3addb944540190 R09: ff3addb946679030
[    2.273186] R10: ff3addb946675120 R11: fefefefefefefeff R12: 0000000000000000
[    2.273263] R13: 0000000000000010 R14: ff3addb946675000 R15: ff3addb942060100
[    2.273342] FS:  00007f6b2aa55840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.273420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.273490] CR2: 0000000000479648 CR3: 000000000464e001 CR4: 0000000000771ef0
[    2.273567] PKRU: 55555554
[    2.273616] Call Trace:
[    2.273664]  <TASK>
[    2.273713]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.273771]  register_netdevice (net/core/dev.c:11488)
[    2.273828]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.273887]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.273954]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.274018]  ops_init (net/core/net_namespace.c:137)
[    2.274077]  setup_net (net/core/net_namespace.c:446)
[    2.274136]  copy_net_ns (net/core/net_namespace.c:579)
[    2.274193]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.274258]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.274323]  ksys_unshare (kernel/fork.c:3243)
[    2.274381]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.274438]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.274496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.274562] RIP: 0033:0x7f6b2ad17bcb
[    2.274619] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.274764] RSP: 002b:00007ffd7b3d36e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.274849] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b2ad17bcb
[    2.274938] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.275023] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.275100] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7b3d5910
[    2.275177] R13: 0000000000000001 R14: 00007f6b2aa556f8 R15: 00007ffd7b3d68be
| [    2.275455] ------------[ cut here ]------------
| [    2.275518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/190
| [    2.275604] Modules linked in:
| [    2.275757] Tainted: [W]=WARN
[    2.275814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.275885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.275954] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.276096] RSP: 0018:ff75ca83c0497bf0 EFLAGS: 00010286
[    2.276160] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.276236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    2.276313] RBP: 0000000000000000 R08: ff3addb944540290 R09: ff3addb94666f030
[    2.276389] R10: ff3addb946674120 R11: fefefefefefefeff R12: 0000000000000000
[    2.276465] R13: 0000000000000010 R14: ff3addb946674000 R15: ff3addb941914300
[    2.276547] FS:  00007f6b2aa55840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.276627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.276697] CR2: 0000000000479648 CR3: 000000000464e001 CR4: 0000000000771ef0
[    2.276777] PKRU: 55555554
[    2.276826] Call Trace:
[    2.276875]  <TASK>
[    2.276931]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.276994]  register_netdevice (net/core/dev.c:11488)
[    2.277052]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.277110]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.277168]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.277226]  ops_init (net/core/net_namespace.c:137)
[    2.277284]  setup_net (net/core/net_namespace.c:446)
[    2.277344]  copy_net_ns (net/core/net_namespace.c:579)
[    2.277401]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.277466]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.277531]  ksys_unshare (kernel/fork.c:3243)
[    2.277589]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.277646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.277704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.277768] RIP: 0033:0x7f6b2ad17bcb
[    2.277825] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.277966] RSP: 002b:00007ffd7b3d36e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.278052] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b2ad17bcb
[    2.278129] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.278206] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.278282] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7b3d5910
[    2.278363] R13: 0000000000000001 R14: 00007f6b2aa556f8 R15: 00007ffd7b3d68be
| [    2.278644] ------------[ cut here ]------------
| [    2.278707] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/190
| [    2.278796] Modules linked in:
| [    2.278949] Tainted: [W]=WARN
[    2.279010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.279082] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.279146] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.279281] RSP: 0018:ff75ca83c0497ca8 EFLAGS: 00010286
[    2.279348] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.279424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    2.279501] RBP: 0000000000000000 R08: ff3addb9445403d0 R09: ff3addb946680034
[    2.279580] R10: ff3addb946683120 R11: fefefefefefefeff R12: 0000000000000000
[    2.279657] R13: 0000000000000010 R14: ff3addb946683000 R15: ff3addb942061400
[    2.279737] FS:  00007f6b2aa55840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.279816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.279885] CR2: 0000000000479648 CR3: 000000000464e001 CR4: 0000000000771ef0
[    2.279968] PKRU: 55555554
[    2.280023] Call Trace:
[    2.280072]  <TASK>
[    2.280122]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.280179]  register_netdevice (net/core/dev.c:11488)
[    2.280237]  register_netdev (net/core/dev.c:11552)
[    2.280294]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.280355]  ops_init (net/core/net_namespace.c:137)
[    2.280413]  setup_net (net/core/net_namespace.c:446)
[    2.280471]  copy_net_ns (net/core/net_namespace.c:579)
[    2.280529]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.280594]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.280658]  ksys_unshare (kernel/fork.c:3243)
[    2.280716]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.280772]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.280830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.280895] RIP: 0033:0x7f6b2ad17bcb
[    2.280957] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.281094] RSP: 002b:00007ffd7b3d36e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.281177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b2ad17bcb
[    2.281254] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.281331] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.281412] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7b3d5910
[    2.281491] R13: 0000000000000001 R14: 00007f6b2aa556f8 R15: 00007ffd7b3d68be
| [    2.281737] ------------[ cut here ]------------
| [    2.281802] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/190
| [    2.281891] Modules linked in:
| [    2.282054] Tainted: [W]=WARN
[    2.282110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.282181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.282246] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.282379] RSP: 0018:ff75ca83c0497ca0 EFLAGS: 00010286
[    2.282443] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.282519] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.282598] RBP: 0000000000000000 R08: ff3addb9445404d0 R09: ff3addb946685030
[    2.282676] R10: ff3addb946680120 R11: fefefefefefefeff R12: 0000000000000000
[    2.282752] R13: 0000000000000010 R14: ff3addb946680000 R15: ff3addb942061100
[    2.282833] FS:  00007f6b2aa55840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.282911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.282993] CR2: 0000000000479648 CR3: 000000000464e001 CR4: 0000000000771ef0
[    2.283077] PKRU: 55555554
[    2.283127] Call Trace:
[    2.283178]  <TASK>
[    2.283227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.283285]  register_netdevice (net/core/dev.c:11488)
[    2.283349]  register_netdev (net/core/dev.c:11552)
[    2.283410]  sit_init_net (net/ipv6/sit.c:1860)
[    2.283472]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.283532]  ops_init (net/core/net_namespace.c:137)
[    2.283593]  setup_net (net/core/net_namespace.c:446)
[    2.283654]  copy_net_ns (net/core/net_namespace.c:579)
[    2.283713]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.283778]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.283842]  ksys_unshare (kernel/fork.c:3243)
[    2.283900]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.283961]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.284027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.284091] RIP: 0033:0x7f6b2ad17bcb
[    2.284147] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.284281] RSP: 002b:00007ffd7b3d36e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.284360] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b2ad17bcb
[    2.284437] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.284513] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.284590] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7b3d5910
[    2.284666] R13: 0000000000000001 R14: 00007f6b2aa556f8 R15: 00007ffd7b3d68be
| [    2.284958] ------------[ cut here ]------------
| [    2.285027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/190
| [    2.285114] Modules linked in:
| [    2.285262] Tainted: [W]=WARN
[    2.285317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.285388] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.285453] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.285586] RSP: 0018:ff75ca83c0497ca8 EFLAGS: 00010286
[    2.285650] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.285726] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.285802] RBP: 0000000000000000 R08: ff3addb943389490 R09: ff3addb946692030
[    2.285879] R10: ff3addb946685120 R11: fefefefefefefeff R12: 0000000000000000
[    2.285966] R13: 0000000000000010 R14: ff3addb946685000 R15: ff3addb942061100
[    2.286052] FS:  00007f6b2aa55840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.286130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.286199] CR2: 0000000000479648 CR3: 000000000464e001 CR4: 0000000000771ef0
[    2.286278] PKRU: 55555554
[    2.286327] Call Trace:
[    2.286375]  <TASK>
[    2.286424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.286481]  register_netdevice (net/core/dev.c:11488)
[    2.286538]  register_netdev (net/core/dev.c:11552)
[    2.286595]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.286653]  ops_init (net/core/net_namespace.c:137)
[    2.286711]  setup_net (net/core/net_namespace.c:446)
[    2.286767]  copy_net_ns (net/core/net_namespace.c:579)
[    2.286824]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.286889]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.286960]  ksys_unshare (kernel/fork.c:3243)
[    2.287025]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.287083]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.287141]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.287204] RIP: 0033:0x7f6b2ad17bcb
[    2.287260] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.287392] RSP: 002b:00007ffd7b3d36e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.287471] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b2ad17bcb
[    2.287548] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.287626] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.287706] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7b3d5910
[    2.287783] R13: 0000000000000001 R14: 00007f6b2aa556f8 R15: 00007ffd7b3d68be
| [    2.291762] ------------[ cut here ]------------
| [    2.291798] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/191
| [    2.291857] Modules linked in:
| [    2.291946] Tainted: [W]=WARN
[    2.291967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.292013] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.292043] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.292144] RSP: 0018:ff75ca83c049f720 EFLAGS: 00010286
[    2.292175] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.292220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.292263] RBP: 0000000000000000 R08: ff3addb944540090 R09: ff3addb941ffb02c
[    2.292305] R10: ff3addb946670120 R11: fefefefefefefeff R12: 0000000000000000
[    2.292345] R13: 0000000000000010 R14: ff3addb946670000 R15: ff3addb943040100
[    2.292399] FS:  00007f048b528840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.292450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.292485] CR2: 000000002bebe988 CR3: 000000000460a002 CR4: 0000000000771ef0
[    2.292529] PKRU: 55555554
[    2.292544] Call Trace:
[    2.292559]  <TASK>
[    2.292574]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.292599]  __dev_notify_flags (net/core/dev.c:9787)
[    2.292622]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.292645]  netif_change_flags (net/core/dev.c:9820)
[    2.292668]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.292692]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.292724]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.292747]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.292773]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.292805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.292828]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.292850]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.292880]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.292903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.292931]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.292955]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.292979]  ___sys_sendmsg (net/socket.c:2752)
[    2.293007]  __sys_sendmsg (net/socket.c:2784)
[    2.293031]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.293052]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.293080] RIP: 0033:0x7f048b76208e
[    2.293103] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.293201] RSP: 002b:00007ffd094b5720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.293242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f048b76208e
[    2.293283] RDX: 0000000000000000 RSI: 00007ffd094b57d0 RDI: 0000000000000005
[    2.293327] RBP: 00007ffd094b5730 R08: 0000000000000000 R09: 0000000000000000
[    2.293369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.293409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd094b5ea0
| [    2.308085] ------------[ cut here ]------------
| [    2.308121] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.308181] Modules linked in:
| [    2.308269] Tainted: [W]=WARN
[    2.308293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.308330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.308362] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.308460] RSP: 0018:ff75ca83c04bfcb8 EFLAGS: 00010286
[    2.308491] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.308539] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.308584] RBP: 0000000000000000 R08: ff3addb94339c850 R09: ff3addb9466d902c
[    2.308625] R10: ff3addb946694120 R11: fefefefefefefeff R12: 0000000000000000
[    2.308664] R13: 0000000000000010 R14: ff3addb946694000 R15: ff3addb943040100
[    2.308707] FS:  00007f1f535da840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.308755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.308790] CR2: 00007f1f537dbc20 CR3: 0000000004756002 CR4: 0000000000771ef0
[    2.308826] PKRU: 55555554
[    2.308843] Call Trace:
[    2.308856]  <TASK>
[    2.308876]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.308897]  register_netdevice (net/core/dev.c:11488)
[    2.308925]  register_netdev (net/core/dev.c:11552)
[    2.308948]  loopback_net_init (drivers/net/loopback.c:218)
[    2.308972]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.309010]  ops_init (net/core/net_namespace.c:137)
[    2.309031]  setup_net (net/core/net_namespace.c:446)
[    2.309050]  copy_net_ns (net/core/net_namespace.c:579)
[    2.309072]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.309101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.309132]  ksys_unshare (kernel/fork.c:3243)
[    2.309158]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.309179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.309199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.309228] RIP: 0033:0x7f1f5389cbcb
[    2.309249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.309345] RSP: 002b:00007ffe87381798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.309379] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1f5389cbcb
[    2.309424] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.309463] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.309501] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe873839c0
[    2.309540] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe873858be
| [    2.309689] ------------[ cut here ]------------
| [    2.309718] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.309768] Modules linked in:
| [    2.309851] Tainted: [W]=WARN
[    2.309875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.309912] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.309952] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.310060] RSP: 0018:ff75ca83c04bfc10 EFLAGS: 00010286
[    2.310089] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.310136] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062d00
[    2.310177] RBP: 0000000000000000 R08: ff3addb943389b90 R09: ff3addb9466e0030
[    2.310218] R10: ff3addb9466d9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.310262] R13: 0000000000000010 R14: ff3addb9466d9000 R15: ff3addb942062d00
[    2.310304] FS:  00007f1f535da840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.310346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.310382] CR2: 00007f1f537dbc20 CR3: 0000000004756002 CR4: 0000000000771ef0
[    2.310426] PKRU: 55555554
[    2.310440] Call Trace:
[    2.310457]  <TASK>
[    2.310472]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.310493]  register_netdevice (net/core/dev.c:11488)
[    2.310518]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.310539]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.310561]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.310583]  ops_init (net/core/net_namespace.c:137)
[    2.310605]  setup_net (net/core/net_namespace.c:446)
[    2.310626]  copy_net_ns (net/core/net_namespace.c:579)
[    2.310646]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.310676]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.310709]  ksys_unshare (kernel/fork.c:3243)
[    2.310731]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.310756]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.310778]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.310810] RIP: 0033:0x7f1f5389cbcb
[    2.310831] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.310938] RSP: 002b:00007ffe87381798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.310977] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1f5389cbcb
[    2.311024] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.311067] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.311110] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe873839c0
[    2.311151] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe873858be
| [    2.311281] ------------[ cut here ]------------
| [    2.311308] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.311362] Modules linked in:
| [    2.311442] Tainted: [W]=WARN
[    2.311468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.311504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.311533] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.311627] RSP: 0018:ff75ca83c04bfbf0 EFLAGS: 00010286
[    2.311655] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.311697] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061000
[    2.311741] RBP: 0000000000000000 R08: ff3addb941ddbf10 R09: ff3addb9447f7830
[    2.311780] R10: ff3addb9466d8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.311825] R13: 0000000000000010 R14: ff3addb9466d8000 R15: ff3addb942061000
[    2.311868] FS:  00007f1f535da840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.311911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.311950] CR2: 00007f1f537dbc20 CR3: 0000000004756002 CR4: 0000000000771ef0
[    2.311997] PKRU: 55555554
[    2.312013] Call Trace:
[    2.312026]  <TASK>
[    2.312040]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.312059]  register_netdevice (net/core/dev.c:11488)
[    2.312082]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.312104]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.312126]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.312144]  ops_init (net/core/net_namespace.c:137)
[    2.312168]  setup_net (net/core/net_namespace.c:446)
[    2.312191]  copy_net_ns (net/core/net_namespace.c:579)
[    2.312212]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.312244]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.312272]  ksys_unshare (kernel/fork.c:3243)
[    2.312292]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.312313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.312334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.312361] RIP: 0033:0x7f1f5389cbcb
[    2.312381] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.312475] RSP: 002b:00007ffe87381798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.312517] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1f5389cbcb
[    2.312561] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.312603] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.312643] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe873839c0
[    2.312683] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe873858be
| [    2.312798] ------------[ cut here ]------------
| [    2.312825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.312866] Modules linked in:
| [    2.312945] Tainted: [W]=WARN
[    2.312967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.313008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.313035] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.313138] RSP: 0018:ff75ca83c04bfca8 EFLAGS: 00010286
[    2.313165] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.313207] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062f00
[    2.313249] RBP: 0000000000000000 R08: ff3addb9430026d0 R09: ff3addb9466dc034
[    2.313297] R10: ff3addb9466df120 R11: fefefefefefefeff R12: 0000000000000000
[    2.313347] R13: 0000000000000010 R14: ff3addb9466df000 R15: ff3addb942062f00
[    2.313390] FS:  00007f1f535da840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.313436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.313470] CR2: 00007f1f537dbc20 CR3: 0000000004756002 CR4: 0000000000771ef0
[    2.313514] PKRU: 55555554
[    2.313528] Call Trace:
[    2.313542]  <TASK>
[    2.313558]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.313580]  register_netdevice (net/core/dev.c:11488)
[    2.313602]  register_netdev (net/core/dev.c:11552)
[    2.313625]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.313650]  ops_init (net/core/net_namespace.c:137)
[    2.313672]  setup_net (net/core/net_namespace.c:446)
[    2.313695]  copy_net_ns (net/core/net_namespace.c:579)
[    2.313718]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.313747]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.313776]  ksys_unshare (kernel/fork.c:3243)
[    2.313797]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.313818]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.313841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.313872] RIP: 0033:0x7f1f5389cbcb
[    2.313892] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.314000] RSP: 002b:00007ffe87381798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.314044] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1f5389cbcb
[    2.314085] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.314127] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.314169] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe873839c0
[    2.314212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe873858be
| [    2.314361] ------------[ cut here ]------------
| [    2.314390] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.314445] Modules linked in:
| [    2.314531] Tainted: [W]=WARN
[    2.314551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.314584] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.314612] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.314709] RSP: 0018:ff75ca83c04bfca0 EFLAGS: 00010286
[    2.314736] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.314783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.314824] RBP: 0000000000000000 R08: ff3addb943357c90 R09: ff3addb9466e9030
[    2.314867] R10: ff3addb9466dc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.314908] R13: 0000000000000010 R14: ff3addb9466dc000 R15: ff3addb943040100
[    2.314953] FS:  00007f1f535da840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.315003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.315040] CR2: 00007f1f537dbc20 CR3: 0000000004756002 CR4: 0000000000771ef0
[    2.315084] PKRU: 55555554
[    2.315099] Call Trace:
[    2.315114]  <TASK>
[    2.315128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.315148]  register_netdevice (net/core/dev.c:11488)
[    2.315169]  register_netdev (net/core/dev.c:11552)
[    2.315189]  sit_init_net (net/ipv6/sit.c:1860)
[    2.315213]  ops_init (net/core/net_namespace.c:137)
[    2.315234]  setup_net (net/core/net_namespace.c:446)
[    2.315255]  copy_net_ns (net/core/net_namespace.c:579)
[    2.315278]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.315305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.315330]  ksys_unshare (kernel/fork.c:3243)
[    2.315354]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.315376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.315399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.315430] RIP: 0033:0x7f1f5389cbcb
[    2.315450] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.315546] RSP: 002b:00007ffe87381798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.315592] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1f5389cbcb
[    2.315633] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.315673] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.315718] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe873839c0
[    2.315759] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe873858be
| [    2.315886] ------------[ cut here ]------------
| [    2.315913] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/195
| [    2.315967] Modules linked in:
| [    2.316053] Tainted: [W]=WARN
[    2.316072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.316105] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.316137] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.316232] RSP: 0018:ff75ca83c04bfca8 EFLAGS: 00010286
[    2.316263] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.316304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063300
[    2.316346] RBP: 0000000000000000 R08: ff3addb943369750 R09: ff3addb9466ee030
[    2.316390] R10: ff3addb9466e9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.316434] R13: 0000000000000010 R14: ff3addb9466e9000 R15: ff3addb942063300
[    2.316476] FS:  00007f1f535da840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.316523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.316557] CR2: 00007f1f537dbc20 CR3: 0000000004756002 CR4: 0000000000771ef0
[    2.316598] PKRU: 55555554
[    2.316611] Call Trace:
[    2.316626]  <TASK>
[    2.316641]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.316665]  register_netdevice (net/core/dev.c:11488)
[    2.316686]  register_netdev (net/core/dev.c:11552)
[    2.316708]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.316729]  ops_init (net/core/net_namespace.c:137)
[    2.316749]  setup_net (net/core/net_namespace.c:446)
[    2.316772]  copy_net_ns (net/core/net_namespace.c:579)
[    2.316793]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.316822]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.316849]  ksys_unshare (kernel/fork.c:3243)
[    2.316869]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.316891]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.316912]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.316944] RIP: 0033:0x7f1f5389cbcb
[    2.316967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.317069] RSP: 002b:00007ffe87381798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.317111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1f5389cbcb
[    2.317152] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.317190] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.317230] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe873839c0
[    2.317270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe873858be
| [    2.320611] ------------[ cut here ]------------
| [    2.320676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/196
| [    2.320767] Modules linked in:
| [    2.320916] Tainted: [W]=WARN
[    2.320980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.321059] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.321124] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.321257] RSP: 0018:ff75ca83c04c7720 EFLAGS: 00010286
[    2.321321] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.321397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913e00
[    2.321474] RBP: 0000000000000000 R08: ff3addb94339c850 R09: ff3addb94669202c
[    2.321551] R10: ff3addb946694120 R11: fefefefefefefeff R12: 0000000000000000
[    2.321627] R13: 0000000000000010 R14: ff3addb946694000 R15: ff3addb941913e00
[    2.321707] FS:  00007f2c679ef840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.321786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.321856] CR2: 0000000022666988 CR3: 00000000064fe003 CR4: 0000000000771ef0
[    2.321942] PKRU: 55555554
[    2.321999] Call Trace:
[    2.322048]  <TASK>
[    2.322097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.322155]  __dev_notify_flags (net/core/dev.c:9787)
[    2.322212]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.322270]  netif_change_flags (net/core/dev.c:9820)
[    2.322331]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.322389]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.322456]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.322515]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.322574]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.322638]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.322696]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.322754]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.322819]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.322877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.322942]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.323007]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.323066]  ___sys_sendmsg (net/socket.c:2752)
[    2.323124]  __sys_sendmsg (net/socket.c:2784)
[    2.323187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.323247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.323315] RIP: 0033:0x7f2c67c2908e
[    2.323376] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.323520] RSP: 002b:00007ffd0f168270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.323604] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2c67c2908e
[    2.323685] RDX: 0000000000000000 RSI: 00007ffd0f168320 RDI: 0000000000000005
[    2.323768] RBP: 00007ffd0f168280 R08: 0000000000000000 R09: 0000000000000000
[    2.323850] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.323939] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0f1689f0
| [    2.338968] ------------[ cut here ]------------
| [    2.339007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/199
| [    2.339056] Modules linked in:
| [    2.339140] Tainted: [W]=WARN
[    2.339163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.339198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.339227] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.339327] RSP: 0018:ff75ca83c04df5f0 EFLAGS: 00010286
[    2.339357] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.339399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    2.339444] RBP: 0000000000000000 R08: ff3addb944540910 R09: ff3addb9446db034
[    2.339486] R10: ff3addb9430af120 R11: fefefefefefefeff R12: 0000000000000000
[    2.339526] R13: 0000000000000010 R14: ff3addb9430af000 R15: ff3addb941df5900
[    2.339573] FS:  00007f891d861840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.339626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.339660] CR2: 00000000004eb188 CR3: 00000000064d5003 CR4: 0000000000771ef0
[    2.339710] PKRU: 55555554
[    2.339734] Call Trace:
[    2.339749]  <TASK>
[    2.339765]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.339790]  __dev_notify_flags (net/core/dev.c:9787)
[    2.339812]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.339837]  veth_newlink (drivers/net/veth.c:1871)
[    2.339864]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.339889]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.339925]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.339950]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.339981]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.340017]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.340042]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.340066]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.340091]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.340118]  ___sys_sendmsg (net/socket.c:2752)
[    2.340143]  __sys_sendmsg (net/socket.c:2784)
[    2.340165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.340187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.340216] RIP: 0033:0x7f891da9b08e
[    2.340238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.340333] RSP: 002b:00007ffd9e1182a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.340374] RAX: ffffffffffffffda RBX: 00007ffd9e118a38 RCX: 00007f891da9b08e
[    2.340417] RDX: 0000000000000000 RSI: 00007ffd9e118350 RDI: 0000000000000005
[    2.340456] RBP: 00007ffd9e1182b0 R08: 0000000000000000 R09: 0000000000000000
[    2.340496] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.340538] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e118a10
| [    2.340739] ------------[ cut here ]------------
| [    2.340767] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/199
| [    2.340820] Modules linked in:
| [    2.340908] Tainted: [W]=WARN
[    2.340930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.340965] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.341000] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.341101] RSP: 0018:ff75ca83c04df870 EFLAGS: 00010286
[    2.341131] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.341170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    2.341215] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9446d8034
[    2.341257] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.341300] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5900
[    2.341349] FS:  00007f891d861840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.341392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.341427] CR2: 00000000004eb188 CR3: 00000000064d5003 CR4: 0000000000771ef0
[    2.341471] PKRU: 55555554
[    2.341485] Call Trace:
[    2.341500]  <TASK>
[    2.341514]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.341538]  __dev_notify_flags (net/core/dev.c:9787)
[    2.341562]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.341583]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.341607]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.341638]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.341661]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.341691]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.341720]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.341742]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.341765]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.341788]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.341807]  ___sys_sendmsg (net/socket.c:2752)
[    2.341830]  __sys_sendmsg (net/socket.c:2784)
[    2.341850]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.341873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.341901] RIP: 0033:0x7f891da9b08e
[    2.341925] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.342036] RSP: 002b:00007ffd9e1182a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.342070] RAX: ffffffffffffffda RBX: 00007ffd9e118a38 RCX: 00007f891da9b08e
[    2.342119] RDX: 0000000000000000 RSI: 00007ffd9e118350 RDI: 0000000000000005
[    2.342162] RBP: 00007ffd9e1182b0 R08: 0000000000000000 R09: 0000000000000000
[    2.342207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.342253] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e118a10
| [    2.348012] ------------[ cut here ]------------
| [    2.348042] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/200
| [    2.348095] Modules linked in:
| [    2.348172] Tainted: [W]=WARN
[    2.348195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.348235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.348264] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.348362] RSP: 0018:ff75ca83c03ff720 EFLAGS: 00010286
[    2.348393] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.348436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063800
[    2.348480] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9466ee034
[    2.348525] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.348568] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942063800
[    2.348615] FS:  00007f73aa770840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.348660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.348695] CR2: 00007f73aaa401a0 CR3: 000000000660a002 CR4: 0000000000771ef0
[    2.348741] PKRU: 55555554
[    2.348756] Call Trace:
[    2.348771]  <TASK>
[    2.348785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.348807]  __dev_notify_flags (net/core/dev.c:9787)
[    2.348829]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.348850]  netif_change_flags (net/core/dev.c:9820)
[    2.348873]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.348896]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.348932]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.348956]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.348980]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.349015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.349035]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.349058]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.349088]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.349109]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.349128]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.349150]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.349175]  ___sys_sendmsg (net/socket.c:2752)
[    2.349198]  __sys_sendmsg (net/socket.c:2784)
[    2.349219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.349242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.349270] RIP: 0033:0x7f73aa9aa08e
[    2.349291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.349394] RSP: 002b:00007fff1f0b9250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.349443] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f73aa9aa08e
[    2.349485] RDX: 0000000000000000 RSI: 00007fff1f0b9300 RDI: 0000000000000005
[    2.349531] RBP: 00007fff1f0b9260 R08: 0000000000000000 R09: 0000000000000000
[    2.349570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.349611] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1f0b99c0
| [    2.355721] ------------[ cut here ]------------
| [    2.355784] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/201
| [    2.355869] Modules linked in:
| [    2.356035] Tainted: [W]=WARN
[    2.356090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.356159] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.356222] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.356360] RSP: 0018:ff75ca83c031b720 EFLAGS: 00010286
[    2.356423] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.356500] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914600
[    2.356577] RBP: 0000000000000000 R08: ff3addb944540910 R09: ff3addb946692034
[    2.356654] R10: ff3addb9430af120 R11: fefefefefefefeff R12: 0000000000000000
[    2.356731] R13: 0000000000000010 R14: ff3addb9430af000 R15: ff3addb941914600
[    2.356810] FS:  00007f9cd5ed2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.356888] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.356964] CR2: 00007f9cd61a21a0 CR3: 000000000669c004 CR4: 0000000000771ef0
[    2.357049] PKRU: 55555554
[    2.357097] Call Trace:
[    2.357146]  <TASK>
[    2.357195]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.357253]  __dev_notify_flags (net/core/dev.c:9787)
[    2.357311]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.357368]  netif_change_flags (net/core/dev.c:9820)
[    2.357426]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.357485]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.357551]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.357610]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.357668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.357733]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.357796]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.357854]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.357927]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.357992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.358050]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.358109]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.358167]  ___sys_sendmsg (net/socket.c:2752)
[    2.358226]  __sys_sendmsg (net/socket.c:2784)
[    2.358283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.358343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.358408] RIP: 0033:0x7f9cd610c08e
[    2.358465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.358601] RSP: 002b:00007ffcb7d5efd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.358678] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9cd610c08e
[    2.358753] RDX: 0000000000000000 RSI: 00007ffcb7d5f080 RDI: 0000000000000005
[    2.358830] RBP: 00007ffcb7d5efe0 R08: 0000000000000000 R09: 0000000000000000
[    2.358907] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.359001] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb7d5f740
| [    2.359240] ------------[ cut here ]------------
| [    2.359277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/38
| [    2.359343] Modules linked in:
| [    2.359430] Tainted: [W]=WARN
[    2.359454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.359493] Workqueue: events_unbound linkwatch_event
[    2.359526] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.359560] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.359663] RSP: 0018:ff75ca83c015bd50 EFLAGS: 00010286
[    2.359693] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.359740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6500
[    2.359785] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9430ab034
[    2.359832] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.359878] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df6500
[    2.359934] FS:  0000000000000000(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    2.359981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.360023] CR2: 0000561357813d5c CR3: 0000000009647004 CR4: 0000000000771ef0
[    2.360068] PKRU: 55555554
[    2.360084] Call Trace:
[    2.360100]  <TASK>
[    2.360116]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.360140]  netif_state_change (net/core/dev.c:1605)
[    2.360166]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.360187]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.360219]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.360242]  process_one_work (kernel/workqueue.c:3314)
[    2.360268]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.360292]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.360316]  kthread (kernel/kthread.c:436)
[    2.360342]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.360366]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.360393]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.360418]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.365805] ------------[ cut here ]------------
| [    2.365870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/203
| [    2.365960] Modules linked in:
| [    2.366115] Tainted: [W]=WARN
[    2.366170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.366238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.366302] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.366434] RSP: 0018:ff75ca83c04e7cb8 EFLAGS: 00010286
[    2.366498] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.366574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5d00
[    2.366649] RBP: 0000000000000000 R08: ff3addb9433894d0 R09: ff3addb9467d802c
[    2.366724] R10: ff3addb9467db120 R11: fefefefefefefeff R12: 0000000000000000
[    2.366801] R13: 0000000000000010 R14: ff3addb9467db000 R15: ff3addb941df5d00
[    2.366881] FS:  00007f3c857a3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.366967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.367039] CR2: 00007f3c859aa430 CR3: 000000000669c006 CR4: 0000000000771ef0
[    2.367117] PKRU: 55555554
[    2.367166] Call Trace:
[    2.367215]  <TASK>
[    2.367264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.367321]  register_netdevice (net/core/dev.c:11488)
[    2.367380]  register_netdev (net/core/dev.c:11552)
[    2.367437]  loopback_net_init (drivers/net/loopback.c:218)
[    2.367497]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.367563]  ops_init (net/core/net_namespace.c:137)
[    2.367626]  setup_net (net/core/net_namespace.c:446)
[    2.367685]  copy_net_ns (net/core/net_namespace.c:579)
[    2.367743]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.367808]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.367873]  ksys_unshare (kernel/fork.c:3243)
[    2.367938]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.368002]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.368061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.368126] RIP: 0033:0x7f3c85a65bcb
[    2.368184] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.368316] RSP: 002b:00007ffff5130538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.368394] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3c85a65bcb
[    2.368471] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.368546] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.368622] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff5132760
[    2.368699] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff51338b9
| [    2.369019] ------------[ cut here ]------------
| [    2.369083] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/203
| [    2.369170] Modules linked in:
| [    2.369320] Tainted: [W]=WARN
[    2.369376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.369446] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.369510] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.369643] RSP: 0018:ff75ca83c04e7c10 EFLAGS: 00010286
[    2.369708] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.369785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.369861] RBP: 0000000000000000 R08: ff3addb94337d250 R09: ff3addb9467cf030
[    2.369945] R10: ff3addb9467d8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.370028] R13: 0000000000000010 R14: ff3addb9467d8000 R15: ff3addb942060100
[    2.370108] FS:  00007f3c857a3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.370186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.370256] CR2: 00007f3c859aa430 CR3: 000000000669c006 CR4: 0000000000771ef0
[    2.370335] PKRU: 55555554
[    2.370384] Call Trace:
[    2.370432]  <TASK>
[    2.370481]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.370539]  register_netdevice (net/core/dev.c:11488)
[    2.370596]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.370655]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.370714]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.370773]  ops_init (net/core/net_namespace.c:137)
[    2.370831]  setup_net (net/core/net_namespace.c:446)
[    2.370889]  copy_net_ns (net/core/net_namespace.c:579)
[    2.370953]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.371031]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.371095]  ksys_unshare (kernel/fork.c:3243)
[    2.371154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.371211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.371269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.371333] RIP: 0033:0x7f3c85a65bcb
[    2.371390] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.371522] RSP: 002b:00007ffff5130538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.371599] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3c85a65bcb
[    2.371676] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.371752] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.371829] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff5132760
[    2.371904] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff51338b9
| [    2.372186] ------------[ cut here ]------------
| [    2.372250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/203
| [    2.372335] Modules linked in:
| [    2.372485] Tainted: [W]=WARN
[    2.372540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.372610] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.372674] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.372823] RSP: 0018:ff75ca83c04e7bf0 EFLAGS: 00010286
[    2.372886] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.372970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    2.373055] RBP: 0000000000000000 R08: ff3addb94194b810 R09: ff3addb9467cd830
[    2.373133] R10: ff3addb9467df120 R11: fefefefefefefeff R12: 0000000000000000
[    2.373209] R13: 0000000000000010 R14: ff3addb9467df000 R15: ff3addb941914300
[    2.373290] FS:  00007f3c857a3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.373372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.373442] CR2: 00007f3c859aa430 CR3: 000000000669c006 CR4: 0000000000771ef0
[    2.373521] PKRU: 55555554
[    2.373570] Call Trace:
[    2.373619]  <TASK>
[    2.373668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.373725]  register_netdevice (net/core/dev.c:11488)
[    2.373782]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.373840]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.373898]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.373961]  ops_init (net/core/net_namespace.c:137)
[    2.374026]  setup_net (net/core/net_namespace.c:446)
[    2.374085]  copy_net_ns (net/core/net_namespace.c:579)
[    2.374142]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.374207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.374278]  ksys_unshare (kernel/fork.c:3243)
[    2.374337]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.374394]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.374452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.374516] RIP: 0033:0x7f3c85a65bcb
[    2.374572] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.374703] RSP: 002b:00007ffff5130538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.374780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3c85a65bcb
[    2.374857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.374940] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.375023] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff5132760
[    2.375100] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff51338b9
| [    2.375386] ------------[ cut here ]------------
| [    2.375450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/203
| [    2.375536] Modules linked in:
| [    2.375685] Tainted: [W]=WARN
[    2.375740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.375810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.375873] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.376025] RSP: 0018:ff75ca83c04e7ca8 EFLAGS: 00010286
[    2.376088] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.376165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    2.376242] RBP: 0000000000000000 R08: ff3addb944540d50 R09: ff3addb9467eb034
[    2.376319] R10: ff3addb9467de120 R11: fefefefefefefeff R12: 0000000000000000
[    2.376403] R13: 0000000000000010 R14: ff3addb9467de000 R15: ff3addb941913f00
[    2.376483] FS:  00007f3c857a3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.376561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.376631] CR2: 00007f3c859aa430 CR3: 000000000669c006 CR4: 0000000000771ef0
[    2.376709] PKRU: 55555554
[    2.376757] Call Trace:
[    2.376806]  <TASK>
[    2.376855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.376912]  register_netdevice (net/core/dev.c:11488)
[    2.376975]  register_netdev (net/core/dev.c:11552)
[    2.377037]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.377097]  ops_init (net/core/net_namespace.c:137)
[    2.377155]  setup_net (net/core/net_namespace.c:446)
[    2.377213]  copy_net_ns (net/core/net_namespace.c:579)
[    2.377271]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.377335]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.377400]  ksys_unshare (kernel/fork.c:3243)
[    2.377457]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.377515]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.377573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.377637] RIP: 0033:0x7f3c85a65bcb
[    2.377693] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.377827] RSP: 002b:00007ffff5130538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.377906] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3c85a65bcb
[    2.377997] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.378075] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.378152] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff5132760
[    2.378228] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff51338b9
| [    2.378498] ------------[ cut here ]------------
| [    2.378562] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/203
| [    2.378648] Modules linked in:
| [    2.378797] Tainted: [W]=WARN
[    2.378853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.378932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.379002] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.379133] RSP: 0018:ff75ca83c04e7ca0 EFLAGS: 00010286
[    2.379197] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.379274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.379352] RBP: 0000000000000000 R08: ff3addb943389650 R09: ff3addb9467e8030
[    2.379430] R10: ff3addb9467eb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.379508] R13: 0000000000000010 R14: ff3addb9467eb000 R15: ff3addb942061100
[    2.379589] FS:  00007f3c857a3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.379667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.379738] CR2: 00007f3c859aa430 CR3: 000000000669c006 CR4: 0000000000771ef0
[    2.379815] PKRU: 55555554
[    2.379863] Call Trace:
[    2.379912]  <TASK>
[    2.379967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.380031]  register_netdevice (net/core/dev.c:11488)
[    2.380089]  register_netdev (net/core/dev.c:11552)
[    2.380145]  sit_init_net (net/ipv6/sit.c:1860)
[    2.380203]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.380261]  ops_init (net/core/net_namespace.c:137)
[    2.380319]  setup_net (net/core/net_namespace.c:446)
[    2.380377]  copy_net_ns (net/core/net_namespace.c:579)
[    2.380436]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.380500]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.380570]  ksys_unshare (kernel/fork.c:3243)
[    2.380628]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.380685]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.380743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.380807] RIP: 0033:0x7f3c85a65bcb
[    2.380864] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.381009] RSP: 002b:00007ffff5130538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.381090] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3c85a65bcb
[    2.381167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.381245] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.381322] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff5132760
[    2.381398] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff51338b9
| [    2.381685] ------------[ cut here ]------------
| [    2.381749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/203
| [    2.381836] Modules linked in:
| [    2.382002] Tainted: [W]=WARN
[    2.382058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.382128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.382192] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.382325] RSP: 0018:ff75ca83c04e7ca8 EFLAGS: 00010286
[    2.382391] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.382469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.382547] RBP: 0000000000000000 R08: ff3addb94317a850 R09: ff3addb9467ed030
[    2.382623] R10: ff3addb9467e8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.382700] R13: 0000000000000010 R14: ff3addb9467e8000 R15: ff3addb942061100
[    2.382780] FS:  00007f3c857a3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.382858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.382935] CR2: 00007f3c859aa430 CR3: 000000000669c006 CR4: 0000000000771ef0
[    2.383019] PKRU: 55555554
[    2.383068] Call Trace:
[    2.383116]  <TASK>
[    2.383165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.383222]  register_netdevice (net/core/dev.c:11488)
[    2.383280]  register_netdev (net/core/dev.c:11552)
[    2.383338]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.383396]  ops_init (net/core/net_namespace.c:137)
[    2.383454]  setup_net (net/core/net_namespace.c:446)
[    2.383512]  copy_net_ns (net/core/net_namespace.c:579)
[    2.383569]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.383633]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.383703]  ksys_unshare (kernel/fork.c:3243)
[    2.383760]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.383818]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.383875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.383946] RIP: 0033:0x7f3c85a65bcb
[    2.384010] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.384143] RSP: 002b:00007ffff5130538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.384220] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3c85a65bcb
[    2.384297] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.384376] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.384452] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffff5132760
[    2.384529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff51338b9
| [    2.388355] ------------[ cut here ]------------
| [    2.388421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/204
| [    2.388514] Modules linked in:
| [    2.388662] Tainted: [W]=WARN
[    2.388717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.388787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.388850] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.388995] RSP: 0018:ff75ca83c04ef720 EFLAGS: 00010286
[    2.389060] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.389137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    2.389214] RBP: 0000000000000000 R08: ff3addb9433894d0 R09: ff3addb9467ed02c
[    2.389291] R10: ff3addb9467db120 R11: fefefefefefefeff R12: 0000000000000000
[    2.389370] R13: 0000000000000010 R14: ff3addb9467db000 R15: ff3addb942061400
[    2.389451] FS:  00007fb56f88e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.389531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.389601] CR2: 0000000033583988 CR3: 000000000669c002 CR4: 0000000000771ef0
[    2.389680] PKRU: 55555554
[    2.389728] Call Trace:
[    2.389776]  <TASK>
[    2.389825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.389882]  __dev_notify_flags (net/core/dev.c:9787)
[    2.389950]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.390013]  netif_change_flags (net/core/dev.c:9820)
[    2.390071]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.390129]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.390195]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.390254]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.390312]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.390377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.390440]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.390498]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.390562]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.390621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.390678]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.390736]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.390794]  ___sys_sendmsg (net/socket.c:2752)
[    2.390853]  __sys_sendmsg (net/socket.c:2784)
[    2.390910]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.390978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.391047] RIP: 0033:0x7fb56fac808e
[    2.391103] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.391236] RSP: 002b:00007ffff5e81c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.391314] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb56fac808e
[    2.391391] RDX: 0000000000000000 RSI: 00007ffff5e81d30 RDI: 0000000000000005
[    2.391467] RBP: 00007ffff5e81c90 R08: 0000000000000000 R09: 0000000000000000
[    2.391543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.391620] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff5e82400
| [    2.417304] ------------[ cut here ]------------
| [    2.417348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.417405] Modules linked in: ipvtap ipvlan
| [    2.417496] Tainted: [W]=WARN
[    2.417519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.417558] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.417586] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.417679] RSP: 0018:ff75ca83c0507798 EFLAGS: 00010286
[    2.417704] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.417749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    2.417791] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9446e1034
[    2.417834] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.417875] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5900
[    2.417916] FS:  00007fc985ead840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.417962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.418004] CR2: 0000000000445730 CR3: 00000000045e6001 CR4: 0000000000771ef0
[    2.418048] PKRU: 55555554
[    2.418062] Call Trace:
[    2.418075]  <TASK>
[    2.418092]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.418116]  notifier_call_chain (kernel/notifier.c:85)
[    2.418144]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.418176]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.418207] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.418236] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.418266]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.418291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.418325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.418349]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.418379]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.418405]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.418430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.418454]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.418475]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.418500]  ___sys_sendmsg (net/socket.c:2752)
[    2.418528]  __sys_sendmsg (net/socket.c:2784)
[    2.418552]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.418574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.418605] RIP: 0033:0x7fc9860e708e
[    2.418624] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.418717] RSP: 002b:00007ffdf6f02fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.418763] RAX: ffffffffffffffda RBX: 00007ffdf6f03768 RCX: 00007fc9860e708e
[    2.418805] RDX: 0000000000000000 RSI: 00007ffdf6f03060 RDI: 0000000000000005
[    2.418847] RBP: 00007ffdf6f02fc0 R08: 0000000000000000 R09: 0000000000000000
[    2.418886] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.418931] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf6f03720
| [    2.419026] ------------[ cut here ]------------
| [    2.419055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.419107] Modules linked in: ipvtap ipvlan
| [    2.419194] Tainted: [W]=WARN
[    2.419220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.419254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.419284] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.419380] RSP: 0018:ff75ca83c0507870 EFLAGS: 00010286
[    2.419411] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.419453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    2.419497] RBP: 0000000000000000 R08: ff3addb943189810 R09: ff3addb9446e1030
[    2.419537] R10: ff3addb9419a0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.419581] R13: 0000000000000010 R14: ff3addb9419a0000 R15: ff3addb941df5900
[    2.419618] FS:  00007fc985ead840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.419662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.419690] CR2: 0000000000445730 CR3: 00000000045e6001 CR4: 0000000000771ef0
[    2.419731] PKRU: 55555554
[    2.419746] Call Trace:
[    2.419760]  <TASK>
[    2.419775]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.419793]  __dev_notify_flags (net/core/dev.c:9787)
[    2.419816]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.419839]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.419863]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.419892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.419915]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.419947]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.419975]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.420004]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.420028]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.420053]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.420078]  ___sys_sendmsg (net/socket.c:2752)
[    2.420099]  __sys_sendmsg (net/socket.c:2784)
[    2.420122]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.420143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.420172] RIP: 0033:0x7fc9860e708e
[    2.420193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.420282] RSP: 002b:00007ffdf6f02fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.420326] RAX: ffffffffffffffda RBX: 00007ffdf6f03768 RCX: 00007fc9860e708e
[    2.420371] RDX: 0000000000000000 RSI: 00007ffdf6f03060 RDI: 0000000000000005
[    2.420411] RBP: 00007ffdf6f02fc0 R08: 0000000000000000 R09: 0000000000000000
[    2.420454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.420498] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf6f03720
| [    2.425890] ------------[ cut here ]------------
| [    2.425926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/211
| [    2.425988] Modules linked in: ipvtap ipvlan
| [    2.426099] Tainted: [W]=WARN
[    2.426123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.426158] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.426183] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.426280] RSP: 0018:ff75ca83c04efcb8 EFLAGS: 00010286
[    2.426314] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.426388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    2.426432] RBP: 0000000000000000 R08: ff3addb943396dd0 R09: ff3addb9446ff02c
[    2.426474] R10: ff3addb9446fa120 R11: fefefefefefefeff R12: 0000000000000000
[    2.426525] R13: 0000000000000010 R14: ff3addb9446fa000 R15: ff3addb941df5900
[    2.426578] FS:  00007fc7de997840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.426622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.426657] CR2: 00007fc7deba17d0 CR3: 000000000463c004 CR4: 0000000000771ef0
[    2.426701] PKRU: 55555554
[    2.426715] Call Trace:
[    2.426731]  <TASK>
[    2.426744]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.426771]  register_netdevice (net/core/dev.c:11488)
[    2.426796]  register_netdev (net/core/dev.c:11552)
[    2.426821]  loopback_net_init (drivers/net/loopback.c:218)
[    2.426849]  ops_init (net/core/net_namespace.c:137)
[    2.426869]  setup_net (net/core/net_namespace.c:446)
[    2.426891]  copy_net_ns (net/core/net_namespace.c:579)
[    2.426913]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.426944]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.426974]  ksys_unshare (kernel/fork.c:3243)
[    2.427000]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.427020]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.427043]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    2.427075]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.427106] RIP: 0033:0x7fc7dec59bcb
[    2.427125] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.427223] RSP: 002b:00007ffc1bab1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.427266] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc7dec59bcb
[    2.427305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.427347] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.427390] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1bab3b70
[    2.427433] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1bab58b9
| [    2.427570] ------------[ cut here ]------------
| [    2.427597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/211
| [    2.427648] Modules linked in: ipvtap ipvlan
| [    2.427735] Tainted: [W]=WARN
[    2.427760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.427796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.427824] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.427917] RSP: 0018:ff75ca83c04efc10 EFLAGS: 00010286
[    2.427948] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.427998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941905600
[    2.428043] RBP: 0000000000000000 R08: ff3addb94194b5d0 R09: ff3addb944703830
[    2.428087] R10: ff3addb9446ff120 R11: fefefefefefefeff R12: 0000000000000000
[    2.428126] R13: 0000000000000010 R14: ff3addb9446ff000 R15: ff3addb941905600
[    2.428169] FS:  00007fc7de997840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.428214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.428249] CR2: 00007fc7deba17d0 CR3: 000000000463c004 CR4: 0000000000771ef0
[    2.428290] PKRU: 55555554
[    2.428305] Call Trace:
[    2.428319]  <TASK>
[    2.428335]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.428354]  register_netdevice (net/core/dev.c:11488)
[    2.428375]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.428399]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.428420]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.428439]  ops_init (net/core/net_namespace.c:137)
[    2.428465]  setup_net (net/core/net_namespace.c:446)
[    2.428484]  copy_net_ns (net/core/net_namespace.c:579)
[    2.428505]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.428534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.428564]  ksys_unshare (kernel/fork.c:3243)
[    2.428585]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.428606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.428627]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    2.428656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.428684] RIP: 0033:0x7fc7dec59bcb
[    2.428706] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.428801] RSP: 002b:00007ffc1bab1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.428842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc7dec59bcb
[    2.428883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.428928] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.428969] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1bab3b70
[    2.429025] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1bab58b9
| [    2.429148] ------------[ cut here ]------------
| [    2.429175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/211
| [    2.429224] Modules linked in: ipvtap ipvlan
| [    2.429314] Tainted: [W]=WARN
[    2.429339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.429377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.429408] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.429502] RSP: 0018:ff75ca83c04efbf0 EFLAGS: 00010286
[    2.429531] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.429572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941905f00
[    2.429615] RBP: 0000000000000000 R08: ff3addb94194bf50 R09: ff3addb944701830
[    2.429660] R10: ff3addb9446fe120 R11: fefefefefefefeff R12: 0000000000000000
[    2.429706] R13: 0000000000000010 R14: ff3addb9446fe000 R15: ff3addb941905f00
[    2.429752] FS:  00007fc7de997840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.429793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.429829] CR2: 00007fc7deba17d0 CR3: 000000000463c004 CR4: 0000000000771ef0
[    2.429872] PKRU: 55555554
[    2.429888] Call Trace:
[    2.429900]  <TASK>
[    2.429915]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.429939]  register_netdevice (net/core/dev.c:11488)
[    2.429960]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.429979]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.430009]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.430032]  ops_init (net/core/net_namespace.c:137)
[    2.430054]  setup_net (net/core/net_namespace.c:446)
[    2.430077]  copy_net_ns (net/core/net_namespace.c:579)
[    2.430099]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.430127]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.430158]  ksys_unshare (kernel/fork.c:3243)
[    2.430180]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.430202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.430226]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    2.430282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.430306] RIP: 0033:0x7fc7dec59bcb
[    2.430327] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.430425] RSP: 002b:00007ffc1bab1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.430473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc7dec59bcb
[    2.430515] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.430563] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.430606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1bab3b70
[    2.430650] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1bab58b9
| [    2.430810] ------------[ cut here ]------------
| [    2.430837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/211
| [    2.430887] Modules linked in: ipvtap ipvlan
| [    2.430977] Tainted: [W]=WARN
[    2.431003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.431039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.431066] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.431178] RSP: 0018:ff75ca83c04efca8 EFLAGS: 00010286
[    2.431207] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.431249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fd700
[    2.431290] RBP: 0000000000000000 R08: ff3addb943369010 R09: ff3addb9471da034
[    2.431333] R10: ff3addb9446fd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.431373] R13: 0000000000000010 R14: ff3addb9446fd000 R15: ff3addb9418fd700
[    2.431414] FS:  00007fc7de997840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.431461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.431498] CR2: 00007fc7deba17d0 CR3: 000000000463c004 CR4: 0000000000771ef0
[    2.431538] PKRU: 55555554
[    2.431550] Call Trace:
[    2.431566]  <TASK>
[    2.431582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.431603]  register_netdevice (net/core/dev.c:11488)
[    2.431626]  register_netdev (net/core/dev.c:11552)
[    2.431649]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.431671]  ops_init (net/core/net_namespace.c:137)
[    2.431694]  setup_net (net/core/net_namespace.c:446)
[    2.431717]  copy_net_ns (net/core/net_namespace.c:579)
[    2.431735]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.431766]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.431797]  ksys_unshare (kernel/fork.c:3243)
[    2.431821]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.431842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.431863]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    2.431892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.431923] RIP: 0033:0x7fc7dec59bcb
[    2.431946] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.432041] RSP: 002b:00007ffc1bab1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.432082] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc7dec59bcb
[    2.432122] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.432162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.432205] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1bab3b70
[    2.432249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1bab58b9
| [    2.432373] ------------[ cut here ]------------
| [    2.432400] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/211
| [    2.432450] Modules linked in: ipvtap ipvlan
| [    2.432530] Tainted: [W]=WARN
[    2.432558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.432591] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.432622] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.432722] RSP: 0018:ff75ca83c04efca0 EFLAGS: 00010286
[    2.432750] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.432791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.432832] RBP: 0000000000000000 R08: ff3addb944538590 R09: ff3addb9471df030
[    2.432875] R10: ff3addb9471da120 R11: fefefefefefefeff R12: 0000000000000000
[    2.432933] R13: 0000000000000010 R14: ff3addb9471da000 R15: ff3addb941df5500
[    2.432972] FS:  00007fc7de997840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.433022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.433056] CR2: 00007fc7deba17d0 CR3: 000000000463c004 CR4: 0000000000771ef0
[    2.433098] PKRU: 55555554
[    2.433114] Call Trace:
[    2.433129]  <TASK>
[    2.433145]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.433166]  register_netdevice (net/core/dev.c:11488)
[    2.433189]  register_netdev (net/core/dev.c:11552)
[    2.433209]  sit_init_net (net/ipv6/sit.c:1860)
[    2.433229]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.433253]  ops_init (net/core/net_namespace.c:137)
[    2.433277]  setup_net (net/core/net_namespace.c:446)
[    2.433298]  copy_net_ns (net/core/net_namespace.c:579)
[    2.433319]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.433350]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.433381]  ksys_unshare (kernel/fork.c:3243)
[    2.433402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.433424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.433446]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    2.433476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.433505] RIP: 0033:0x7fc7dec59bcb
[    2.433527] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.433620] RSP: 002b:00007ffc1bab1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.433660] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc7dec59bcb
[    2.433700] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.433740] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.433785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1bab3b70
[    2.433826] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1bab58b9
| [    2.433941] ------------[ cut here ]------------
| [    2.433969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/211
| [    2.434017] Modules linked in: ipvtap ipvlan
| [    2.434102] Tainted: [W]=WARN
[    2.434124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.434161] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.434187] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.434284] RSP: 0018:ff75ca83c04efca8 EFLAGS: 00010286
[    2.434314] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.434357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fad00
[    2.434402] RBP: 0000000000000000 R08: ff3addb94194bf90 R09: ff3addb9471dc030
[    2.434444] R10: ff3addb9471df120 R11: fefefefefefefeff R12: 0000000000000000
[    2.434486] R13: 0000000000000010 R14: ff3addb9471df000 R15: ff3addb9418fad00
[    2.434533] FS:  00007fc7de997840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.434575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.434612] CR2: 00007fc7deba17d0 CR3: 000000000463c004 CR4: 0000000000771ef0
[    2.434653] PKRU: 55555554
[    2.434668] Call Trace:
[    2.434683]  <TASK>
[    2.434698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.434720]  register_netdevice (net/core/dev.c:11488)
[    2.434742]  register_netdev (net/core/dev.c:11552)
[    2.434765]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.434790]  ops_init (net/core/net_namespace.c:137)
[    2.434816]  setup_net (net/core/net_namespace.c:446)
[    2.434838]  copy_net_ns (net/core/net_namespace.c:579)
[    2.434858]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.434887]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.434915]  ksys_unshare (kernel/fork.c:3243)
[    2.434939]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.434959]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.434981]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    2.435018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.435056] RIP: 0033:0x7fc7dec59bcb
[    2.435076] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.435166] RSP: 002b:00007ffc1bab1948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.435207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc7dec59bcb
[    2.435247] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.435286] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.435328] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1bab3b70
[    2.435370] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1bab58b9
| [    2.438746] ------------[ cut here ]------------
| [    2.438809] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/212
| [    2.438895] Modules linked in: ipvtap ipvlan
| [    2.439068] Tainted: [W]=WARN
[    2.439123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.439193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.439256] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.439390] RSP: 0018:ff75ca83c04ef720 EFLAGS: 00010286
[    2.439454] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.439532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.439608] RBP: 0000000000000000 R08: ff3addb943396dd0 R09: ff3addb9467ed02c
[    2.439685] R10: ff3addb9446fa120 R11: fefefefefefefeff R12: 0000000000000000
[    2.439762] R13: 0000000000000010 R14: ff3addb9446fa000 R15: ff3addb941913000
[    2.439841] FS:  00007fe839d39840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.439926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.440001] CR2: 0000000006a23988 CR3: 00000000065c6006 CR4: 0000000000771ef0
[    2.440081] PKRU: 55555554
[    2.440129] Call Trace:
[    2.440178]  <TASK>
[    2.440226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.440283]  __dev_notify_flags (net/core/dev.c:9787)
[    2.440342]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.440399]  netif_change_flags (net/core/dev.c:9820)
[    2.440457]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.440515]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.440583]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.440641]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.440699]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.440763]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.440821]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.440880]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.440952]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.441017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.441075]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.441132]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.441190]  ___sys_sendmsg (net/socket.c:2752)
[    2.441249]  __sys_sendmsg (net/socket.c:2784)
[    2.441306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.441364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.441427] RIP: 0033:0x7fe839f7308e
[    2.441484] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.441617] RSP: 002b:00007ffee9002ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.441694] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe839f7308e
[    2.441772] RDX: 0000000000000000 RSI: 00007ffee9002b70 RDI: 0000000000000005
[    2.441849] RBP: 00007ffee9002ad0 R08: 0000000000000000 R09: 0000000000000000
[    2.441932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.442016] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee9003240
| [    2.456926] ------------[ cut here ]------------
| [    2.456997] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/215
| [    2.457088] Modules linked in: ipvtap ipvlan
| [    2.457247] Tainted: [W]=WARN
[    2.457302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.457372] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.457436] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.457570] RSP: 0018:ff75ca83c04e7798 EFLAGS: 00010286
[    2.457633] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.457710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.457786] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9471ef034
[    2.457862] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.457947] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913000
[    2.458035] FS:  00007f5aac18b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.458114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.458184] CR2: 0000000000445730 CR3: 0000000004720006 CR4: 0000000000771ef0
[    2.458262] PKRU: 55555554
[    2.458310] Call Trace:
[    2.458358]  <TASK>
[    2.458408]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.458464]  notifier_call_chain (kernel/notifier.c:85)
[    2.458523]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.458590]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.458655] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.458721] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.458785]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.458843]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.458908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.458970]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.459041]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.459105]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.459163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.459222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.459281]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.459341]  ___sys_sendmsg (net/socket.c:2752)
[    2.459400]  __sys_sendmsg (net/socket.c:2784)
[    2.459458]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.459515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.459578] RIP: 0033:0x7f5aac3c508e
[    2.459634] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.459765] RSP: 002b:00007ffe689d7770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.459843] RAX: ffffffffffffffda RBX: 00007ffe689d7f28 RCX: 00007f5aac3c508e
[    2.459927] RDX: 0000000000000000 RSI: 00007ffe689d7820 RDI: 0000000000000005
[    2.460012] RBP: 00007ffe689d7780 R08: 0000000000000000 R09: 0000000000000000
[    2.460089] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.460167] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe689d7ee0
| [    2.460366] ------------[ cut here ]------------
| [    2.460428] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/215
| [    2.460514] Modules linked in: ipvtap ipvlan
| [    2.460671] Tainted: [W]=WARN
[    2.460726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.460796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.460859] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.461001] RSP: 0018:ff75ca83c04e7870 EFLAGS: 00010286
[    2.461069] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.461150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.461227] RBP: 0000000000000000 R08: ff3addb94451f010 R09: ff3addb9471ef030
[    2.461304] R10: ff3addb9467d0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.461382] R13: 0000000000000010 R14: ff3addb9467d0000 R15: ff3addb941913000
[    2.461463] FS:  00007f5aac18b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.461541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.461611] CR2: 0000000000445730 CR3: 0000000004720006 CR4: 0000000000771ef0
[    2.461690] PKRU: 55555554
[    2.461738] Call Trace:
[    2.461786]  <TASK>
[    2.461835]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.461892]  __dev_notify_flags (net/core/dev.c:9787)
[    2.461954]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.462020]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.462079]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.462143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.462201]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.462264]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.462329]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.462388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.462445]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.462503]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.462562]  ___sys_sendmsg (net/socket.c:2752)
[    2.462620]  __sys_sendmsg (net/socket.c:2784)
[    2.462677]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.462734]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.462798] RIP: 0033:0x7f5aac3c508e
[    2.462854] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.462999] RSP: 002b:00007ffe689d7770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.463078] RAX: ffffffffffffffda RBX: 00007ffe689d7f28 RCX: 00007f5aac3c508e
[    2.463155] RDX: 0000000000000000 RSI: 00007ffe689d7820 RDI: 0000000000000005
[    2.463232] RBP: 00007ffe689d7780 R08: 0000000000000000 R09: 0000000000000000
[    2.463309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.463386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe689d7ee0
| [    2.469291] ------------[ cut here ]------------
| [    2.469323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/217
| [    2.469385] Modules linked in: ipvtap ipvlan
| [    2.469476] Tainted: [W]=WARN
[    2.469499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.469532] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.469563] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.469660] RSP: 0018:ff75ca83c0293cb8 EFLAGS: 00010286
[    2.469689] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.469723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fe900
[    2.469767] RBP: 0000000000000000 R08: ff3addb944519650 R09: ff3addb9471fe02c
[    2.469809] R10: ff3addb9471f9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.469852] R13: 0000000000000010 R14: ff3addb9471f9000 R15: ff3addb9418fe900
[    2.469893] FS:  00007fbbfade5840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.469940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.469973] CR2: 00007fbbfaff1690 CR3: 000000000467a005 CR4: 0000000000771ef0
[    2.470020] PKRU: 55555554
[    2.470035] Call Trace:
[    2.470051]  <TASK>
[    2.470068]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.470090]  register_netdevice (net/core/dev.c:11488)
[    2.470114]  register_netdev (net/core/dev.c:11552)
[    2.470136]  loopback_net_init (drivers/net/loopback.c:218)
[    2.470157]  ops_init (net/core/net_namespace.c:137)
[    2.470181]  setup_net (net/core/net_namespace.c:446)
[    2.470201]  copy_net_ns (net/core/net_namespace.c:579)
[    2.470225]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.470252]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.470281]  ksys_unshare (kernel/fork.c:3243)
[    2.470301]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.470321]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.470345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.470376] RIP: 0033:0x7fbbfb0a7bcb
[    2.470399] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.470491] RSP: 002b:00007ffc42e8c198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.470532] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbbfb0a7bcb
[    2.470570] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.470614] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.470656] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc42e8e3c0
[    2.470697] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc42e8e8b9
| [    2.470817] ------------[ cut here ]------------
| [    2.470845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/217
| [    2.470895] Modules linked in: ipvtap ipvlan
| [    2.470992] Tainted: [W]=WARN
[    2.471013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.471049] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.471072] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.471168] RSP: 0018:ff75ca83c0293c10 EFLAGS: 00010286
[    2.471198] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.471236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    2.471269] RBP: 0000000000000000 R08: ff3addb943189450 R09: ff3addb947480030
[    2.471307] R10: ff3addb9471fe120 R11: fefefefefefefeff R12: 0000000000000000
[    2.471346] R13: 0000000000000010 R14: ff3addb9471fe000 R15: ff3addb941df5900
[    2.471390] FS:  00007fbbfade5840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.471437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.471473] CR2: 00007fbbfaff1690 CR3: 000000000467a005 CR4: 0000000000771ef0
[    2.471514] PKRU: 55555554
[    2.471527] Call Trace:
[    2.471543]  <TASK>
[    2.471559]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.471580]  register_netdevice (net/core/dev.c:11488)
[    2.471603]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.471624]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.471644]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.471668]  ops_init (net/core/net_namespace.c:137)
[    2.471693]  setup_net (net/core/net_namespace.c:446)
[    2.471716]  copy_net_ns (net/core/net_namespace.c:579)
[    2.471739]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.471769]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.471798]  ksys_unshare (kernel/fork.c:3243)
[    2.471818]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.471840]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.471862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.471889] RIP: 0033:0x7fbbfb0a7bcb
[    2.471908] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.472008] RSP: 002b:00007ffc42e8c198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.472052] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbbfb0a7bcb
[    2.472096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.472136] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.472180] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc42e8e3c0
[    2.472219] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc42e8e8b9
| [    2.472347] ------------[ cut here ]------------
| [    2.472376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/217
| [    2.472426] Modules linked in: ipvtap ipvlan
| [    2.472514] Tainted: [W]=WARN
[    2.472535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.472574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.472607] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.472706] RSP: 0018:ff75ca83c0293bf0 EFLAGS: 00010286
[    2.472736] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.472781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fd300
[    2.472822] RBP: 0000000000000000 R08: ff3addb944519cd0 R09: ff3addb9474ca030
[    2.472863] R10: ff3addb9471fd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.472903] R13: 0000000000000010 R14: ff3addb9471fd000 R15: ff3addb9418fd300
[    2.472952] FS:  00007fbbfade5840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.473002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.473036] CR2: 00007fbbfaff1690 CR3: 000000000467a005 CR4: 0000000000771ef0
[    2.473073] PKRU: 55555554
[    2.473088] Call Trace:
[    2.473101]  <TASK>
[    2.473114]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.473139]  register_netdevice (net/core/dev.c:11488)
[    2.473162]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.473184]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.473207]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.473229]  ops_init (net/core/net_namespace.c:137)
[    2.473247]  setup_net (net/core/net_namespace.c:446)
[    2.473268]  copy_net_ns (net/core/net_namespace.c:579)
[    2.473289]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.473320]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.473349]  ksys_unshare (kernel/fork.c:3243)
[    2.473374]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.473399]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.473420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.473448] RIP: 0033:0x7fbbfb0a7bcb
[    2.473470] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.473560] RSP: 002b:00007ffc42e8c198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.473599] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbbfb0a7bcb
[    2.473638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.473681] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.473722] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc42e8e3c0
[    2.473766] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc42e8e8b9
| [    2.473896] ------------[ cut here ]------------
| [    2.473925] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/217
| [    2.473978] Modules linked in: ipvtap ipvlan
| [    2.474068] Tainted: [W]=WARN
[    2.474091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.474123] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.474153] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.474249] RSP: 0018:ff75ca83c0293ca8 EFLAGS: 00010286
[    2.474278] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.474318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941905b00
[    2.474362] RBP: 0000000000000000 R08: ff3addb944519390 R09: ff3addb9474d1034
[    2.474401] R10: ff3addb9471fc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.474443] R13: 0000000000000010 R14: ff3addb9471fc000 R15: ff3addb941905b00
[    2.474485] FS:  00007fbbfade5840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.474528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.474557] CR2: 00007fbbfaff1690 CR3: 000000000467a005 CR4: 0000000000771ef0
[    2.474597] PKRU: 55555554
[    2.474612] Call Trace:
[    2.474626]  <TASK>
[    2.474639]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.474661]  register_netdevice (net/core/dev.c:11488)
[    2.474683]  register_netdev (net/core/dev.c:11552)
[    2.474705]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.474727]  ops_init (net/core/net_namespace.c:137)
[    2.474747]  setup_net (net/core/net_namespace.c:446)
[    2.474772]  copy_net_ns (net/core/net_namespace.c:579)
[    2.474795]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.474822]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.474850]  ksys_unshare (kernel/fork.c:3243)
[    2.474872]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.474894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.474914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.474945] RIP: 0033:0x7fbbfb0a7bcb
[    2.474967] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.475060] RSP: 002b:00007ffc42e8c198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.475102] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbbfb0a7bcb
[    2.475136] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.475177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.475218] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc42e8e3c0
[    2.475257] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc42e8e8b9
| [    2.475378] ------------[ cut here ]------------
| [    2.475404] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/217
| [    2.475452] Modules linked in: ipvtap ipvlan
| [    2.475527] Tainted: [W]=WARN
[    2.475550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.475585] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.475611] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.475708] RSP: 0018:ff75ca83c0293ca0 EFLAGS: 00010286
[    2.475737] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.475778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941905300
[    2.475823] RBP: 0000000000000000 R08: ff3addb944519d90 R09: ff3addb9474d6030
[    2.475863] R10: ff3addb9474d1120 R11: fefefefefefefeff R12: 0000000000000000
[    2.475904] R13: 0000000000000010 R14: ff3addb9474d1000 R15: ff3addb941905300
[    2.475948] FS:  00007fbbfade5840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.475991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.476027] CR2: 00007fbbfaff1690 CR3: 000000000467a005 CR4: 0000000000771ef0
[    2.476066] PKRU: 55555554
[    2.476078] Call Trace:
[    2.476094]  <TASK>
[    2.476108]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.476130]  register_netdevice (net/core/dev.c:11488)
[    2.476152]  register_netdev (net/core/dev.c:11552)
[    2.476174]  sit_init_net (net/ipv6/sit.c:1860)
[    2.476196]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.476216]  ops_init (net/core/net_namespace.c:137)
[    2.476237]  setup_net (net/core/net_namespace.c:446)
[    2.476260]  copy_net_ns (net/core/net_namespace.c:579)
[    2.476284]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.476313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.476336]  ksys_unshare (kernel/fork.c:3243)
[    2.476359]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.476382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.476405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.476434] RIP: 0033:0x7fbbfb0a7bcb
[    2.476457] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.476554] RSP: 002b:00007ffc42e8c198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.476600] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbbfb0a7bcb
[    2.476639] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.476682] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.476727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc42e8e3c0
[    2.476770] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc42e8e8b9
| [    2.476904] ------------[ cut here ]------------
| [    2.476935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/217
| [    2.476975] Modules linked in: ipvtap ipvlan
| [    2.477068] Tainted: [W]=WARN
[    2.477090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.477122] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.477151] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.477247] RSP: 0018:ff75ca83c0293ca8 EFLAGS: 00010286
[    2.477275] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.477319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.477361] RBP: 0000000000000000 R08: ff3addb94451f750 R09: ff3addb9474e3030
[    2.477406] R10: ff3addb9474d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.477452] R13: 0000000000000010 R14: ff3addb9474d6000 R15: ff3addb941df5500
[    2.477497] FS:  00007fbbfade5840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.477539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.477573] CR2: 00007fbbfaff1690 CR3: 000000000467a005 CR4: 0000000000771ef0
[    2.477612] PKRU: 55555554
[    2.477627] Call Trace:
[    2.477640]  <TASK>
[    2.477652]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.477672]  register_netdevice (net/core/dev.c:11488)
[    2.477692]  register_netdev (net/core/dev.c:11552)
[    2.477712]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.477732]  ops_init (net/core/net_namespace.c:137)
[    2.477755]  setup_net (net/core/net_namespace.c:446)
[    2.477777]  copy_net_ns (net/core/net_namespace.c:579)
[    2.477799]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.477829]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.477853]  ksys_unshare (kernel/fork.c:3243)
[    2.477874]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.477896]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.477919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.477953] RIP: 0033:0x7fbbfb0a7bcb
[    2.477975] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.478076] RSP: 002b:00007ffc42e8c198 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.478113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbbfb0a7bcb
[    2.478152] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.478195] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.478237] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc42e8e3c0
[    2.478275] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc42e8e8b9
| [    2.481669] ------------[ cut here ]------------
| [    2.481733] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/218
| [    2.481820] Modules linked in: ipvtap ipvlan
| [    2.481994] Tainted: [W]=WARN
[    2.482051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.482120] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.482185] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.482315] RSP: 0018:ff75ca83c0293720 EFLAGS: 00010286
[    2.482380] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.482458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.482536] RBP: 0000000000000000 R08: ff3addb944519650 R09: ff3addb9471ef02c
[    2.482613] R10: ff3addb9471f9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.482691] R13: 0000000000000010 R14: ff3addb9471f9000 R15: ff3addb941913000
[    2.482770] FS:  00007f3b30520840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.482850] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.482927] CR2: 00007f3b307f01a0 CR3: 0000000003153005 CR4: 0000000000771ef0
[    2.483011] PKRU: 55555554
[    2.483061] Call Trace:
[    2.483109]  <TASK>
[    2.483158]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.483216]  __dev_notify_flags (net/core/dev.c:9787)
[    2.483273]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.483331]  netif_change_flags (net/core/dev.c:9820)
[    2.483389]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.483448]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.483514]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.483573]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.483632]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.483704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.483762]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.483820]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.483885]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.483950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.484015]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.484073]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.484132]  ___sys_sendmsg (net/socket.c:2752)
[    2.484190]  __sys_sendmsg (net/socket.c:2784)
[    2.484248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.484306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.484370] RIP: 0033:0x7f3b3075a08e
[    2.484427] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.484560] RSP: 002b:00007fff63919130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.484638] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3b3075a08e
[    2.484714] RDX: 0000000000000000 RSI: 00007fff639191e0 RDI: 0000000000000005
[    2.484790] RBP: 00007fff63919140 R08: 0000000000000000 R09: 0000000000000000
[    2.484867] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.484952] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff639198b0
| [    2.499771] ------------[ cut here ]------------
| [    2.499802] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/221
| [    2.499863] Modules linked in: ipvtap ipvlan
| [    2.499953] Tainted: [W]=WARN
[    2.499976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.500021] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.500045] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.500146] RSP: 0018:ff75ca83c030b798 EFLAGS: 00010286
[    2.500179] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.500223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.500261] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9474e7034
[    2.500304] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.500344] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb943040100
[    2.500397] FS:  00007fc2896ef840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.500439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.500474] CR2: 0000000000445730 CR3: 000000000748c006 CR4: 0000000000771ef0
[    2.500517] PKRU: 55555554
[    2.500532] Call Trace:
[    2.500548]  <TASK>
[    2.500563]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.500584]  notifier_call_chain (kernel/notifier.c:85)
[    2.500607]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.500638]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.500669] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.500701] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.500731]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.500756]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.500787]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.500809]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.500839]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.500866]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.500890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.500913]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.500941]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.500962]  ___sys_sendmsg (net/socket.c:2752)
[    2.500991]  __sys_sendmsg (net/socket.c:2784)
[    2.501014]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.501038]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.501067] RIP: 0033:0x7fc28992908e
[    2.501087] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.501186] RSP: 002b:00007ffc9b803160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.501229] RAX: ffffffffffffffda RBX: 00007ffc9b803918 RCX: 00007fc28992908e
[    2.501274] RDX: 0000000000000000 RSI: 00007ffc9b803210 RDI: 0000000000000005
[    2.501315] RBP: 00007ffc9b803170 R08: 0000000000000000 R09: 0000000000000000
[    2.501355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.501395] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9b8038d0
| [    2.501485] ------------[ cut here ]------------
| [    2.501515] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/221
| [    2.501559] Modules linked in: ipvtap ipvlan
| [    2.501648] Tainted: [W]=WARN
[    2.501670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.501708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.501737] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.501829] RSP: 0018:ff75ca83c030b870 EFLAGS: 00010286
[    2.501856] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.501898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.501943] RBP: 0000000000000000 R08: ff3addb944519510 R09: ff3addb9474e7030
[    2.501982] R10: ff3addb9447e8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.502029] R13: 0000000000000010 R14: ff3addb9447e8000 R15: ff3addb943040100
[    2.502075] FS:  00007fc2896ef840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.502110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.502145] CR2: 0000000000445730 CR3: 000000000748c006 CR4: 0000000000771ef0
[    2.502179] PKRU: 55555554
[    2.502195] Call Trace:
[    2.502209]  <TASK>
[    2.502223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.502242]  __dev_notify_flags (net/core/dev.c:9787)
[    2.502267]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.502286]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.502315]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.502348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.502371]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.502401]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.502430]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.502452]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.502473]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.502499]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.502521]  ___sys_sendmsg (net/socket.c:2752)
[    2.502541]  __sys_sendmsg (net/socket.c:2784)
[    2.502560]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.502580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.502609] RIP: 0033:0x7fc28992908e
[    2.502629] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.502724] RSP: 002b:00007ffc9b803160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.502763] RAX: ffffffffffffffda RBX: 00007ffc9b803918 RCX: 00007fc28992908e
[    2.502804] RDX: 0000000000000000 RSI: 00007ffc9b803210 RDI: 0000000000000005
[    2.502840] RBP: 00007ffc9b803170 R08: 0000000000000000 R09: 0000000000000000
[    2.502880] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.502923] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9b8038d0
| [    2.508079] ------------[ cut here ]------------
| [    2.508110] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.508169] Modules linked in: ipvtap ipvlan
| [    2.508261] Tainted: [W]=WARN
[    2.508281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.508326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.508361] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.508459] RSP: 0018:ff75ca83c032fcb8 EFLAGS: 00010286
[    2.508494] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.508536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.508574] RBP: 0000000000000000 R08: ff3addb941ddbd50 R09: ff3addb94750d02c
[    2.508615] R10: ff3addb947508120 R11: fefefefefefefeff R12: 0000000000000000
[    2.508657] R13: 0000000000000010 R14: ff3addb947508000 R15: ff3addb943040100
[    2.508704] FS:  00007f57080dd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.508753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.508792] CR2: 00007f57082dec20 CR3: 000000000471f003 CR4: 0000000000771ef0
[    2.508836] PKRU: 55555554
[    2.508848] Call Trace:
[    2.508864]  <TASK>
[    2.508880]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.508903]  register_netdevice (net/core/dev.c:11488)
[    2.508928]  register_netdev (net/core/dev.c:11552)
[    2.508949]  loopback_net_init (drivers/net/loopback.c:218)
[    2.508973]  ops_init (net/core/net_namespace.c:137)
[    2.508999]  setup_net (net/core/net_namespace.c:446)
[    2.509020]  copy_net_ns (net/core/net_namespace.c:579)
[    2.509042]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.509070]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.509101]  ksys_unshare (kernel/fork.c:3243)
[    2.509124]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.509148]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.509170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.509200] RIP: 0033:0x7f570839fbcb
[    2.509222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.509323] RSP: 002b:00007ffca87f98e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.509370] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f570839fbcb
[    2.509411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.509459] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.509501] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca87fbb10
[    2.509542] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca87fc8b9
| [    2.509676] ------------[ cut here ]------------
| [    2.509704] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.509749] Modules linked in: ipvtap ipvlan
| [    2.509839] Tainted: [W]=WARN
[    2.509857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.509898] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.509932] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.510037] RSP: 0018:ff75ca83c032fc10 EFLAGS: 00010286
[    2.510066] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.510104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062f00
[    2.510148] RBP: 0000000000000000 R08: ff3addb9444f8dd0 R09: ff3addb947518030
[    2.510186] R10: ff3addb94750d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.510220] R13: 0000000000000010 R14: ff3addb94750d000 R15: ff3addb942062f00
[    2.510263] FS:  00007f57080dd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.510302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.510338] CR2: 00007f57082dec20 CR3: 000000000471f003 CR4: 0000000000771ef0
[    2.510380] PKRU: 55555554
[    2.510394] Call Trace:
[    2.510412]  <TASK>
[    2.510427]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.510449]  register_netdevice (net/core/dev.c:11488)
[    2.510472]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.510495]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.510520]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.510541]  ops_init (net/core/net_namespace.c:137)
[    2.510560]  setup_net (net/core/net_namespace.c:446)
[    2.510584]  copy_net_ns (net/core/net_namespace.c:579)
[    2.510606]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.510637]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.510665]  ksys_unshare (kernel/fork.c:3243)
[    2.510687]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.510709]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.510730]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.510758] RIP: 0033:0x7f570839fbcb
[    2.510777] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.510875] RSP: 002b:00007ffca87f98e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.510917] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f570839fbcb
[    2.510961] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.511013] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.511058] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca87fbb10
[    2.511100] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca87fc8b9
| [    2.511234] ------------[ cut here ]------------
| [    2.511261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.511304] Modules linked in: ipvtap ipvlan
| [    2.511386] Tainted: [W]=WARN
[    2.511406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.511445] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.511475] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.511572] RSP: 0018:ff75ca83c032fbf0 EFLAGS: 00010286
[    2.511597] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.511640] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5600
[    2.511683] RBP: 0000000000000000 R08: ff3addb94191b790 R09: ff3addb947516030
[    2.511726] R10: ff3addb94750c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.511765] R13: 0000000000000010 R14: ff3addb94750c000 R15: ff3addb941df5600
[    2.511808] FS:  00007f57080dd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.511852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.511879] CR2: 00007f57082dec20 CR3: 000000000471f003 CR4: 0000000000771ef0
[    2.511925] PKRU: 55555554
[    2.511941] Call Trace:
[    2.511955]  <TASK>
[    2.511968]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.511994]  register_netdevice (net/core/dev.c:11488)
[    2.512019]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.512040]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.512061]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.512081]  ops_init (net/core/net_namespace.c:137)
[    2.512106]  setup_net (net/core/net_namespace.c:446)
[    2.512128]  copy_net_ns (net/core/net_namespace.c:579)
[    2.512150]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.512178]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.512203]  ksys_unshare (kernel/fork.c:3243)
[    2.512227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.512249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.512271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.512299] RIP: 0033:0x7f570839fbcb
[    2.512320] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.512420] RSP: 002b:00007ffca87f98e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.512462] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f570839fbcb
[    2.512509] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.512552] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.512599] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca87fbb10
[    2.512643] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca87fc8b9
| [    2.512771] ------------[ cut here ]------------
| [    2.512796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.512849] Modules linked in: ipvtap ipvlan
| [    2.512938] Tainted: [W]=WARN
[    2.512961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.513004] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.513031] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.513128] RSP: 0018:ff75ca83c032fca8 EFLAGS: 00010286
[    2.513153] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.513200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062d00
[    2.513242] RBP: 0000000000000000 R08: ff3addb94191b7d0 R09: ff3addb947520034
[    2.513289] R10: ff3addb947523120 R11: fefefefefefefeff R12: 0000000000000000
[    2.513331] R13: 0000000000000010 R14: ff3addb947523000 R15: ff3addb942062d00
[    2.513382] FS:  00007f57080dd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.513421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.513454] CR2: 00007f57082dec20 CR3: 000000000471f003 CR4: 0000000000771ef0
[    2.513500] PKRU: 55555554
[    2.513514] Call Trace:
[    2.513529]  <TASK>
[    2.513541]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.513563]  register_netdevice (net/core/dev.c:11488)
[    2.513586]  register_netdev (net/core/dev.c:11552)
[    2.513607]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.513632]  ops_init (net/core/net_namespace.c:137)
[    2.513653]  setup_net (net/core/net_namespace.c:446)
[    2.513674]  copy_net_ns (net/core/net_namespace.c:579)
[    2.513698]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.513725]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.513756]  ksys_unshare (kernel/fork.c:3243)
[    2.513776]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.513798]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.513821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.513848] RIP: 0033:0x7f570839fbcb
[    2.513870] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.513971] RSP: 002b:00007ffca87f98e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.514015] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f570839fbcb
[    2.514057] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.514098] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.514141] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca87fbb10
[    2.514179] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca87fc8b9
| [    2.514305] ------------[ cut here ]------------
| [    2.514335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.514387] Modules linked in: ipvtap ipvlan
| [    2.514474] Tainted: [W]=WARN
[    2.514495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.514532] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.514561] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.514661] RSP: 0018:ff75ca83c032fca0 EFLAGS: 00010286
[    2.514688] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.514731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.514769] RBP: 0000000000000000 R08: ff3addb94191b850 R09: ff3addb947525030
[    2.514810] R10: ff3addb947520120 R11: fefefefefefefeff R12: 0000000000000000
[    2.514850] R13: 0000000000000010 R14: ff3addb947520000 R15: ff3addb943040100
[    2.514897] FS:  00007f57080dd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.514940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.514976] CR2: 00007f57082dec20 CR3: 000000000471f003 CR4: 0000000000771ef0
[    2.515023] PKRU: 55555554
[    2.515038] Call Trace:
[    2.515052]  <TASK>
[    2.515067]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.515090]  register_netdevice (net/core/dev.c:11488)
[    2.515110]  register_netdev (net/core/dev.c:11552)
[    2.515133]  sit_init_net (net/ipv6/sit.c:1860)
[    2.515153]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.515177]  ops_init (net/core/net_namespace.c:137)
[    2.515200]  setup_net (net/core/net_namespace.c:446)
[    2.515218]  copy_net_ns (net/core/net_namespace.c:579)
[    2.515241]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.515268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.515296]  ksys_unshare (kernel/fork.c:3243)
[    2.515319]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.515343]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.515368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.515397] RIP: 0033:0x7f570839fbcb
[    2.515418] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.515514] RSP: 002b:00007ffca87f98e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.515555] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f570839fbcb
[    2.515589] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.515634] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.515671] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca87fbb10
[    2.515714] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca87fc8b9
| [    2.515858] ------------[ cut here ]------------
| [    2.515884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/223
| [    2.515943] Modules linked in: ipvtap ipvlan
| [    2.516039] Tainted: [W]=WARN
[    2.516062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.516098] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.516126] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.516218] RSP: 0018:ff75ca83c032fca8 EFLAGS: 00010286
[    2.516246] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.516286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063d00
[    2.516326] RBP: 0000000000000000 R08: ff3addb94191b950 R09: ff3addb94752a030
[    2.516367] R10: ff3addb947525120 R11: fefefefefefefeff R12: 0000000000000000
[    2.516407] R13: 0000000000000010 R14: ff3addb947525000 R15: ff3addb942063d00
[    2.516449] FS:  00007f57080dd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.516491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.516526] CR2: 00007f57082dec20 CR3: 000000000471f003 CR4: 0000000000771ef0
[    2.516568] PKRU: 55555554
[    2.516580] Call Trace:
[    2.516592]  <TASK>
[    2.516608]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.516627]  register_netdevice (net/core/dev.c:11488)
[    2.516647]  register_netdev (net/core/dev.c:11552)
[    2.516666]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.516689]  ops_init (net/core/net_namespace.c:137)
[    2.516712]  setup_net (net/core/net_namespace.c:446)
[    2.516733]  copy_net_ns (net/core/net_namespace.c:579)
[    2.516753]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.516781]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.516809]  ksys_unshare (kernel/fork.c:3243)
[    2.516830]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.516850]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.516872]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.516901] RIP: 0033:0x7f570839fbcb
[    2.516924] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.517022] RSP: 002b:00007ffca87f98e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.517063] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f570839fbcb
[    2.517103] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.517141] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.517179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca87fbb10
[    2.517218] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca87fc8b9
| [    2.520602] ------------[ cut here ]------------
| [    2.520667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/224
| [    2.520757] Modules linked in: ipvtap ipvlan
| [    2.520914] Tainted: [W]=WARN
[    2.520976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.521050] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.521115] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.521246] RSP: 0018:ff75ca83c0337720 EFLAGS: 00010286
[    2.521309] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.521387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.521465] RBP: 0000000000000000 R08: ff3addb941ddbd50 R09: ff3addb9471ef02c
[    2.521541] R10: ff3addb947508120 R11: fefefefefefefeff R12: 0000000000000000
[    2.521618] R13: 0000000000000010 R14: ff3addb947508000 R15: ff3addb941913000
[    2.521697] FS:  00007f23fa072840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.521776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.521846] CR2: 00007f23fa3421a0 CR3: 0000000002058001 CR4: 0000000000771ef0
[    2.521935] PKRU: 55555554
[    2.521990] Call Trace:
[    2.522039]  <TASK>
[    2.522088]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.522145]  __dev_notify_flags (net/core/dev.c:9787)
[    2.522202]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.522259]  netif_change_flags (net/core/dev.c:9820)
[    2.522316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.522374]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.522440]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.522498]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.522556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.522621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.522679]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.522736]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.522801]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.522859]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.522917]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.522983]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.523050]  ___sys_sendmsg (net/socket.c:2752)
[    2.523108]  __sys_sendmsg (net/socket.c:2784)
[    2.523166]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.523224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.523288] RIP: 0033:0x7f23fa2ac08e
[    2.523347] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.523479] RSP: 002b:00007ffedbcd4290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.523557] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f23fa2ac08e
[    2.523633] RDX: 0000000000000000 RSI: 00007ffedbcd4340 RDI: 0000000000000005
[    2.523710] RBP: 00007ffedbcd42a0 R08: 0000000000000000 R09: 0000000000000000
[    2.523787] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.523864] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedbcd4a10
| [    2.539086] ------------[ cut here ]------------
| [    2.539117] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/227
| [    2.539173] Modules linked in: ipvtap ipvlan
| [    2.539258] Tainted: [W]=WARN
[    2.539280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.539317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.539348] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.539440] RSP: 0018:ff75ca83c0357798 EFLAGS: 00010286
[    2.539470] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.539512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.539557] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9474e1034
[    2.539601] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.539648] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5500
[    2.539700] FS:  00007f66500ef840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.539746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.539782] CR2: 0000000000445730 CR3: 000000000754d003 CR4: 0000000000771ef0
[    2.539830] PKRU: 55555554
[    2.539843] Call Trace:
[    2.539858]  <TASK>
[    2.539873]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.539896]  notifier_call_chain (kernel/notifier.c:85)
[    2.539928]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.539960]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.539994] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.540027] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.540051]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.540074]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.540106]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.540129]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.540157]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.540186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.540210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.540232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.540253]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.540272]  ___sys_sendmsg (net/socket.c:2752)
[    2.540296]  __sys_sendmsg (net/socket.c:2784)
[    2.540318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.540344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.540374] RIP: 0033:0x7f665032908e
[    2.540397] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.540491] RSP: 002b:00007ffc30989e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.540536] RAX: ffffffffffffffda RBX: 00007ffc3098a5c8 RCX: 00007f665032908e
[    2.540578] RDX: 0000000000000000 RSI: 00007ffc30989ec0 RDI: 0000000000000005
[    2.540618] RBP: 00007ffc30989e20 R08: 0000000000000000 R09: 0000000000000000
[    2.540658] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.540700] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3098a580
| [    2.540787] ------------[ cut here ]------------
| [    2.540813] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/227
| [    2.540868] Modules linked in: ipvtap ipvlan
| [    2.540953] Tainted: [W]=WARN
[    2.540974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.541018] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.541046] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.541138] RSP: 0018:ff75ca83c0357870 EFLAGS: 00010286
[    2.541167] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.541209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.541248] RBP: 0000000000000000 R08: ff3addb94317a510 R09: ff3addb9474e1030
[    2.541288] R10: ff3addb9471f2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.541325] R13: 0000000000000010 R14: ff3addb9471f2000 R15: ff3addb941df5500
[    2.541360] FS:  00007f66500ef840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.541399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.541432] CR2: 0000000000445730 CR3: 000000000754d003 CR4: 0000000000771ef0
[    2.541473] PKRU: 55555554
[    2.541487] Call Trace:
[    2.541525]  <TASK>
[    2.541541]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.541564]  __dev_notify_flags (net/core/dev.c:9787)
[    2.541583]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.541607]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.541629]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.541661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.541684]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.541713]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.541758]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.541778]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.541803]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.541822]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.541845]  ___sys_sendmsg (net/socket.c:2752)
[    2.541869]  __sys_sendmsg (net/socket.c:2784)
[    2.541892]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.541915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.541948] RIP: 0033:0x7f665032908e
[    2.541968] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.542061] RSP: 002b:00007ffc30989e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.542101] RAX: ffffffffffffffda RBX: 00007ffc3098a5c8 RCX: 00007f665032908e
[    2.542139] RDX: 0000000000000000 RSI: 00007ffc30989ec0 RDI: 0000000000000005
[    2.542183] RBP: 00007ffc30989e20 R08: 0000000000000000 R09: 0000000000000000
[    2.542224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.542271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3098a580
| [    2.547466] ------------[ cut here ]------------
| [    2.547498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    2.547555] Modules linked in: ipvtap ipvlan
| [    2.547648] Tainted: [W]=WARN
[    2.547669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.547705] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.547734] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.547827] RSP: 0018:ff75ca83c035fcb8 EFLAGS: 00010286
[    2.547857] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.547899] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063200
[    2.547944] RBP: 0000000000000000 R08: ff3addb94191b390 R09: ff3addb9475b802c
[    2.547992] R10: ff3addb9475bb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.548036] R13: 0000000000000010 R14: ff3addb9475bb000 R15: ff3addb942063200
[    2.548081] FS:  00007fdb4c22e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.548115] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.548151] CR2: 00007fdb4c42fc20 CR3: 0000000007496002 CR4: 0000000000771ef0
[    2.548190] PKRU: 55555554
[    2.548202] Call Trace:
[    2.548220]  <TASK>
[    2.548233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.548254]  register_netdevice (net/core/dev.c:11488)
[    2.548277]  register_netdev (net/core/dev.c:11552)
[    2.548299]  loopback_net_init (drivers/net/loopback.c:218)
[    2.548320]  ops_init (net/core/net_namespace.c:137)
[    2.548345]  setup_net (net/core/net_namespace.c:446)
[    2.548363]  copy_net_ns (net/core/net_namespace.c:579)
[    2.548385]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.548416]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.548445]  ksys_unshare (kernel/fork.c:3243)
[    2.548466]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.548488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.548510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.548534] RIP: 0033:0x7fdb4c4f0bcb
[    2.548557] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.548652] RSP: 002b:00007fff97176f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.548695] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb4c4f0bcb
[    2.548738] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.548780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.548819] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff971791a0
[    2.548861] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff971798b9
| [    2.549004] ------------[ cut here ]------------
| [    2.549033] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    2.549083] Modules linked in: ipvtap ipvlan
| [    2.549168] Tainted: [W]=WARN
[    2.549190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.549225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.549256] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.549350] RSP: 0018:ff75ca83c035fc10 EFLAGS: 00010286
[    2.549377] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.549423] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.549474] RBP: 0000000000000000 R08: ff3addb943189150 R09: ff3addb9475c5030
[    2.549517] R10: ff3addb9475b8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.549558] R13: 0000000000000010 R14: ff3addb9475b8000 R15: ff3addb943040100
[    2.549599] FS:  00007fdb4c22e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.549632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.549670] CR2: 00007fdb4c42fc20 CR3: 0000000007496002 CR4: 0000000000771ef0
[    2.549709] PKRU: 55555554
[    2.549722] Call Trace:
[    2.549756]  <TASK>
[    2.549771]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.549793]  register_netdevice (net/core/dev.c:11488)
[    2.549816]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.549837]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.549857]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.549880]  ops_init (net/core/net_namespace.c:137)
[    2.549902]  setup_net (net/core/net_namespace.c:446)
[    2.549923]  copy_net_ns (net/core/net_namespace.c:579)
[    2.549947]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.549974]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.550007]  ksys_unshare (kernel/fork.c:3243)
[    2.550027]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.550047]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.550069]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.550096] RIP: 0033:0x7fdb4c4f0bcb
[    2.550117] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.550214] RSP: 002b:00007fff97176f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.550255] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb4c4f0bcb
[    2.550298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.550335] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.550377] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff971791a0
[    2.550418] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff971798b9
| [    2.550524] ------------[ cut here ]------------
| [    2.550555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    2.550605] Modules linked in: ipvtap ipvlan
| [    2.550692] Tainted: [W]=WARN
[    2.550710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.550746] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.550777] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.550867] RSP: 0018:ff75ca83c035fbf0 EFLAGS: 00010286
[    2.550895] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.550940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062d00
[    2.550988] RBP: 0000000000000000 R08: ff3addb94191b690 R09: ff3addb9475c3030
[    2.551034] R10: ff3addb9475bf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.551066] R13: 0000000000000010 R14: ff3addb9475bf000 R15: ff3addb942062d00
[    2.551109] FS:  00007fdb4c22e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.551156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.551191] CR2: 00007fdb4c42fc20 CR3: 0000000007496002 CR4: 0000000000771ef0
[    2.551232] PKRU: 55555554
[    2.551245] Call Trace:
[    2.551258]  <TASK>
[    2.551272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.551291]  register_netdevice (net/core/dev.c:11488)
[    2.551314]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.551337]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.551359]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.551387]  ops_init (net/core/net_namespace.c:137)
[    2.551410]  setup_net (net/core/net_namespace.c:446)
[    2.551432]  copy_net_ns (net/core/net_namespace.c:579)
[    2.551453]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.551480]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.551507]  ksys_unshare (kernel/fork.c:3243)
[    2.551526]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.551549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.551571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.551601] RIP: 0033:0x7fdb4c4f0bcb
[    2.551621] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.551720] RSP: 002b:00007fff97176f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.551759] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb4c4f0bcb
[    2.551802] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.551840] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.551879] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff971791a0
[    2.551923] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff971798b9
| [    2.552064] ------------[ cut here ]------------
| [    2.552090] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    2.552142] Modules linked in: ipvtap ipvlan
| [    2.552232] Tainted: [W]=WARN
[    2.552252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.552291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.552319] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.552417] RSP: 0018:ff75ca83c035fca8 EFLAGS: 00010286
[    2.552445] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.552485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5600
[    2.552526] RBP: 0000000000000000 R08: ff3addb94191b550 R09: ff3addb9475cb034
[    2.552566] R10: ff3addb9475be120 R11: fefefefefefefeff R12: 0000000000000000
[    2.552613] R13: 0000000000000010 R14: ff3addb9475be000 R15: ff3addb941df5600
[    2.552656] FS:  00007fdb4c22e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.552689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.552727] CR2: 00007fdb4c42fc20 CR3: 0000000007496002 CR4: 0000000000771ef0
[    2.552767] PKRU: 55555554
[    2.552780] Call Trace:
[    2.552795]  <TASK>
[    2.552809]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.552832]  register_netdevice (net/core/dev.c:11488)
[    2.552854]  register_netdev (net/core/dev.c:11552)
[    2.552876]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.552897]  ops_init (net/core/net_namespace.c:137)
[    2.552923]  setup_net (net/core/net_namespace.c:446)
[    2.552946]  copy_net_ns (net/core/net_namespace.c:579)
[    2.552968]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.553001]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.553032]  ksys_unshare (kernel/fork.c:3243)
[    2.553056]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.553081]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.553103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.553131] RIP: 0033:0x7fdb4c4f0bcb
[    2.553153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.553244] RSP: 002b:00007fff97176f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.553284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb4c4f0bcb
[    2.553328] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.553369] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.553410] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff971791a0
[    2.553450] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff971798b9
| [    2.553577] ------------[ cut here ]------------
| [    2.553603] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    2.553650] Modules linked in: ipvtap ipvlan
| [    2.553728] Tainted: [W]=WARN
[    2.553751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.553788] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.553818] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.553917] RSP: 0018:ff75ca83c035fca0 EFLAGS: 00010286
[    2.553950] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.553998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061500
[    2.554039] RBP: 0000000000000000 R08: ff3addb94191b3d0 R09: ff3addb9475c8030
[    2.554082] R10: ff3addb9475cb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.554121] R13: 0000000000000010 R14: ff3addb9475cb000 R15: ff3addb942061500
[    2.554163] FS:  00007fdb4c22e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.554196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.554232] CR2: 00007fdb4c42fc20 CR3: 0000000007496002 CR4: 0000000000771ef0
[    2.554272] PKRU: 55555554
[    2.554285] Call Trace:
[    2.554301]  <TASK>
[    2.554315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.554339]  register_netdevice (net/core/dev.c:11488)
[    2.554361]  register_netdev (net/core/dev.c:11552)
[    2.554383]  sit_init_net (net/ipv6/sit.c:1860)
[    2.554405]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.554426]  ops_init (net/core/net_namespace.c:137)
[    2.554446]  setup_net (net/core/net_namespace.c:446)
[    2.554467]  copy_net_ns (net/core/net_namespace.c:579)
[    2.554490]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.554518]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.554544]  ksys_unshare (kernel/fork.c:3243)
[    2.554566]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.554590]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.554610]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.554637] RIP: 0033:0x7fdb4c4f0bcb
[    2.554659] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.554755] RSP: 002b:00007fff97176f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.554798] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb4c4f0bcb
[    2.554838] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.554878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.554918] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff971791a0
[    2.554968] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff971798b9
| [    2.555098] ------------[ cut here ]------------
| [    2.555123] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    2.555171] Modules linked in: ipvtap ipvlan
| [    2.555254] Tainted: [W]=WARN
[    2.555274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.555309] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.555338] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.555425] RSP: 0018:ff75ca83c035fca8 EFLAGS: 00010286
[    2.555453] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.555496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.555537] RBP: 0000000000000000 R08: ff3addb9445191d0 R09: ff3addb9475cd030
[    2.555582] R10: ff3addb9475c8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.555619] R13: 0000000000000010 R14: ff3addb9475c8000 R15: ff3addb943040100
[    2.555663] FS:  00007fdb4c22e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.555707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.555739] CR2: 00007fdb4c42fc20 CR3: 0000000007496002 CR4: 0000000000771ef0
[    2.555780] PKRU: 55555554
[    2.555794] Call Trace:
[    2.555807]  <TASK>
[    2.555822]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.555845]  register_netdevice (net/core/dev.c:11488)
[    2.555867]  register_netdev (net/core/dev.c:11552)
[    2.555886]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.555909]  ops_init (net/core/net_namespace.c:137)
[    2.555934]  setup_net (net/core/net_namespace.c:446)
[    2.555957]  copy_net_ns (net/core/net_namespace.c:579)
[    2.555979]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.556010]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.556042]  ksys_unshare (kernel/fork.c:3243)
[    2.556063]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.556083]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.556103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.556131] RIP: 0033:0x7fdb4c4f0bcb
[    2.556151] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.556240] RSP: 002b:00007fff97176f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.556273] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb4c4f0bcb
[    2.556315] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.556354] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.556398] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff971791a0
[    2.556439] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff971798b9
| [    2.559823] ------------[ cut here ]------------
| [    2.559891] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/230
| [    2.559983] Modules linked in: ipvtap ipvlan
| [    2.560150] Tainted: [W]=WARN
[    2.560205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.560275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.560342] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.560478] RSP: 0018:ff75ca83c0367720 EFLAGS: 00010286
[    2.560541] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.560617] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.560694] RBP: 0000000000000000 R08: ff3addb94191b390 R09: ff3addb9471ef02c
[    2.560770] R10: ff3addb9475bb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.560848] R13: 0000000000000010 R14: ff3addb9475bb000 R15: ff3addb941913000
[    2.560937] FS:  00007f6efcfe5840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.561026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.561097] CR2: 00000000024a5988 CR3: 00000000074a0003 CR4: 0000000000771ef0
[    2.561176] PKRU: 55555554
[    2.561225] Call Trace:
[    2.561273]  <TASK>
[    2.561322]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.561381]  __dev_notify_flags (net/core/dev.c:9787)
[    2.561438]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.561496]  netif_change_flags (net/core/dev.c:9820)
[    2.561553]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.561612]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.561677]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.561736]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.561794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.561859]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.561917]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.561982]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.562054]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.562112]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.562169]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.562227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.562285]  ___sys_sendmsg (net/socket.c:2752)
[    2.562347]  __sys_sendmsg (net/socket.c:2784)
[    2.562404]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.562462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.562527] RIP: 0033:0x7f6efd21f08e
[    2.562584] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.562717] RSP: 002b:00007ffd0302d560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.562795] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6efd21f08e
[    2.562872] RDX: 0000000000000000 RSI: 00007ffd0302d610 RDI: 0000000000000005
[    2.562952] RBP: 00007ffd0302d570 R08: 0000000000000000 R09: 0000000000000000
[    2.563039] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.563117] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0302dce0
| [    2.577693] ------------[ cut here ]------------
| [    2.577756] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/233
| [    2.577842] Modules linked in: ipvtap ipvlan
| [    2.578013] Tainted: [W]=WARN
[    2.578069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.578138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.578201] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.578333] RSP: 0018:ff75ca83c038f798 EFLAGS: 00010286
[    2.578397] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.578475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.578554] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9471ed034
[    2.578631] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.578709] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913000
[    2.578789] FS:  00007f652de6e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.578867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.578944] CR2: 0000000000445730 CR3: 000000000473d004 CR4: 0000000000771ef0
[    2.579027] PKRU: 55555554
[    2.579075] Call Trace:
[    2.579123]  <TASK>
[    2.579172]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.579229]  notifier_call_chain (kernel/notifier.c:85)
[    2.579286]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.579353]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.579419] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.579485] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.579550]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.579608]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.579672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.579729]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.579793]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.579857]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.579915]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.579980]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.580044]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.580102]  ___sys_sendmsg (net/socket.c:2752)
[    2.580160]  __sys_sendmsg (net/socket.c:2784)
[    2.580217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.580275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.580339] RIP: 0033:0x7f652e0a808e
[    2.580396] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.580528] RSP: 002b:00007ffd2bff5710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.580605] RAX: ffffffffffffffda RBX: 00007ffd2bff5ec8 RCX: 00007f652e0a808e
[    2.580681] RDX: 0000000000000000 RSI: 00007ffd2bff57c0 RDI: 0000000000000005
[    2.580756] RBP: 00007ffd2bff5720 R08: 0000000000000000 R09: 0000000000000000
[    2.580833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.580911] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2bff5e80
| [    2.581118] ------------[ cut here ]------------
| [    2.581179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/233
| [    2.581264] Modules linked in: ipvtap ipvlan
| [    2.581420] Tainted: [W]=WARN
[    2.581475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.581543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.581607] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.581742] RSP: 0018:ff75ca83c038f870 EFLAGS: 00010286
[    2.581805] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.581882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.581963] RBP: 0000000000000000 R08: ff3addb943189cd0 R09: ff3addb9471ed030
[    2.582046] R10: ff3addb9467fe120 R11: fefefefefefefeff R12: 0000000000000000
[    2.582123] R13: 0000000000000010 R14: ff3addb9467fe000 R15: ff3addb941913000
[    2.582205] FS:  00007f652de6e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.582284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.582355] CR2: 0000000000445730 CR3: 000000000473d004 CR4: 0000000000771ef0
[    2.582433] PKRU: 55555554
[    2.582481] Call Trace:
[    2.582529]  <TASK>
[    2.582578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.582634]  __dev_notify_flags (net/core/dev.c:9787)
[    2.582692]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.582750]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.582808]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.582873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.582937]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.583007]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.583072]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.583130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.583186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.583243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.583301]  ___sys_sendmsg (net/socket.c:2752)
[    2.583359]  __sys_sendmsg (net/socket.c:2784)
[    2.583417]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.583474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.583538] RIP: 0033:0x7f652e0a808e
[    2.583594] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.583728] RSP: 002b:00007ffd2bff5710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.583807] RAX: ffffffffffffffda RBX: 00007ffd2bff5ec8 RCX: 00007f652e0a808e
[    2.583884] RDX: 0000000000000000 RSI: 00007ffd2bff57c0 RDI: 0000000000000005
[    2.583966] RBP: 00007ffd2bff5720 R08: 0000000000000000 R09: 0000000000000000
[    2.584047] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.584123] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2bff5e80
| [    2.589839] ------------[ cut here ]------------
| [    2.589905] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/235
| [    2.590004] Modules linked in: ipvtap ipvlan
| [    2.590163] Tainted: [W]=WARN
[    2.590217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.590286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.590352] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.590487] RSP: 0018:ff75ca83c03a7cb8 EFLAGS: 00010286
[    2.590550] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.590627] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.590702] RBP: 0000000000000000 R08: ff3addb9444f8190 R09: ff3addb94764302c
[    2.590779] R10: ff3addb94762e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.590855] R13: 0000000000000010 R14: ff3addb94762e000 R15: ff3addb941913000
[    2.590943] FS:  00007fa87fd81840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.591027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.591096] CR2: 00007fa87ff88430 CR3: 000000000473d006 CR4: 0000000000771ef0
[    2.591175] PKRU: 55555554
[    2.591223] Call Trace:
[    2.591271]  <TASK>
[    2.591320]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.591377]  register_netdevice (net/core/dev.c:11488)
[    2.591439]  register_netdev (net/core/dev.c:11552)
[    2.591495]  loopback_net_init (drivers/net/loopback.c:218)
[    2.591554]  ops_init (net/core/net_namespace.c:137)
[    2.591611]  setup_net (net/core/net_namespace.c:446)
[    2.591669]  copy_net_ns (net/core/net_namespace.c:579)
[    2.591726]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.591790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.591855]  ksys_unshare (kernel/fork.c:3243)
[    2.591913]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.591975]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.592037]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.592101] RIP: 0033:0x7fa880043bcb
[    2.592158] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.592293] RSP: 002b:00007fff7df6b328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.592374] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa880043bcb
[    2.592450] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.592526] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.592602] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7df6d550
[    2.592678] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7df6e8b9
| [    2.592928] ------------[ cut here ]------------
| [    2.592998] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/235
| [    2.593084] Modules linked in: ipvtap ipvlan
| [    2.593242] Tainted: [W]=WARN
[    2.593297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.593368] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.593433] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.593565] RSP: 0018:ff75ca83c03a7c10 EFLAGS: 00010286
[    2.593628] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.593705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.593782] RBP: 0000000000000000 R08: ff3addb943369250 R09: ff3addb947635830
[    2.593859] R10: ff3addb947643120 R11: fefefefefefefeff R12: 0000000000000000
[    2.593943] R13: 0000000000000010 R14: ff3addb947643000 R15: ff3addb942060100
[    2.594026] FS:  00007fa87fd81840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.594104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.594175] CR2: 00007fa87ff88430 CR3: 000000000473d006 CR4: 0000000000771ef0
[    2.594253] PKRU: 55555554
[    2.594301] Call Trace:
[    2.594350]  <TASK>
[    2.594399]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.594455]  register_netdevice (net/core/dev.c:11488)
[    2.594512]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.594569]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.594627]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.594684]  ops_init (net/core/net_namespace.c:137)
[    2.594742]  setup_net (net/core/net_namespace.c:446)
[    2.594799]  copy_net_ns (net/core/net_namespace.c:579)
[    2.594856]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.594927]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.595003]  ksys_unshare (kernel/fork.c:3243)
[    2.595061]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.595117]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.595174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.595238] RIP: 0033:0x7fa880043bcb
[    2.595294] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.595427] RSP: 002b:00007fff7df6b328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.595505] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa880043bcb
[    2.595584] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.595660] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.595737] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7df6d550
[    2.595814] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7df6e8b9
| [    2.596065] ------------[ cut here ]------------
| [    2.596127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/235
| [    2.596213] Modules linked in: ipvtap ipvlan
| [    2.596369] Tainted: [W]=WARN
[    2.596424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.596494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.596559] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.596692] RSP: 0018:ff75ca83c03a7bf0 EFLAGS: 00010286
[    2.596755] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.596832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    2.596909] RBP: 0000000000000000 R08: ff3addb943369310 R09: ff3addb947633830
[    2.596997] R10: ff3addb947642120 R11: fefefefefefefeff R12: 0000000000000000
[    2.597076] R13: 0000000000000010 R14: ff3addb947642000 R15: ff3addb941914300
[    2.597156] FS:  00007fa87fd81840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.597235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.597305] CR2: 00007fa87ff88430 CR3: 000000000473d006 CR4: 0000000000771ef0
[    2.597384] PKRU: 55555554
[    2.597432] Call Trace:
[    2.597481]  <TASK>
[    2.597529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.597587]  register_netdevice (net/core/dev.c:11488)
[    2.597644]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.597702]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.597759]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.597818]  ops_init (net/core/net_namespace.c:137)
[    2.597875]  setup_net (net/core/net_namespace.c:446)
[    2.597939]  copy_net_ns (net/core/net_namespace.c:579)
[    2.598003]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.598068]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.598132]  ksys_unshare (kernel/fork.c:3243)
[    2.598190]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.598247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.598304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.598369] RIP: 0033:0x7fa880043bcb
[    2.598426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.598559] RSP: 002b:00007fff7df6b328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.598639] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa880043bcb
[    2.598715] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.598790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.598865] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7df6d550
[    2.598950] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7df6e8b9
| [    2.599228] ------------[ cut here ]------------
| [    2.599290] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/235
| [    2.599377] Modules linked in: ipvtap ipvlan
| [    2.599534] Tainted: [W]=WARN
[    2.599589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.599658] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.599722] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.599858] RSP: 0018:ff75ca83c03a7ca8 EFLAGS: 00010286
[    2.599929] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.600013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913d00
[    2.600091] RBP: 0000000000000000 R08: ff3addb94123de10 R09: ff3addb947646034
[    2.600169] R10: ff3addb947641120 R11: fefefefefefefeff R12: 0000000000000000
[    2.600246] R13: 0000000000000010 R14: ff3addb947641000 R15: ff3addb941913d00
[    2.600325] FS:  00007fa87fd81840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.600404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.600474] CR2: 00007fa87ff88430 CR3: 000000000473d006 CR4: 0000000000771ef0
[    2.600553] PKRU: 55555554
[    2.600601] Call Trace:
[    2.600650]  <TASK>
[    2.600699]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.600756]  register_netdevice (net/core/dev.c:11488)
[    2.600813]  register_netdev (net/core/dev.c:11552)
[    2.600870]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.600936]  ops_init (net/core/net_namespace.c:137)
[    2.601000]  setup_net (net/core/net_namespace.c:446)
[    2.601058]  copy_net_ns (net/core/net_namespace.c:579)
[    2.601115]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.601180]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.601243]  ksys_unshare (kernel/fork.c:3243)
[    2.601300]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.601358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.601416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.601479] RIP: 0033:0x7fa880043bcb
[    2.601536] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.601669] RSP: 002b:00007fff7df6b328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.601746] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa880043bcb
[    2.601822] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.601900] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.601981] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7df6d550
[    2.602065] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7df6e8b9
| [    2.602337] ------------[ cut here ]------------
| [    2.602400] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/235
| [    2.602483] Modules linked in: ipvtap ipvlan
| [    2.602639] Tainted: [W]=WARN
[    2.602694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.602764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.602828] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.602967] RSP: 0018:ff75ca83c03a7ca0 EFLAGS: 00010286
[    2.603033] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.603109] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.603186] RBP: 0000000000000000 R08: ff3addb943369850 R09: ff3addb947653030
[    2.603263] R10: ff3addb947646120 R11: fefefefefefefeff R12: 0000000000000000
[    2.603339] R13: 0000000000000010 R14: ff3addb947646000 R15: ff3addb942061100
[    2.603421] FS:  00007fa87fd81840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.603498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.603569] CR2: 00007fa87ff88430 CR3: 000000000473d006 CR4: 0000000000771ef0
[    2.603646] PKRU: 55555554
[    2.603694] Call Trace:
[    2.603743]  <TASK>
[    2.603792]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.603848]  register_netdevice (net/core/dev.c:11488)
[    2.603906]  register_netdev (net/core/dev.c:11552)
[    2.603970]  sit_init_net (net/ipv6/sit.c:1860)
[    2.604034]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.604091]  ops_init (net/core/net_namespace.c:137)
[    2.604153]  setup_net (net/core/net_namespace.c:446)
[    2.604210]  copy_net_ns (net/core/net_namespace.c:579)
[    2.604267]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.604332]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.604396]  ksys_unshare (kernel/fork.c:3243)
[    2.604454]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.604511]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.604568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.604632] RIP: 0033:0x7fa880043bcb
[    2.604689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.604822] RSP: 002b:00007fff7df6b328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.604900] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa880043bcb
[    2.604981] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.605066] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.605144] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7df6d550
[    2.605220] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7df6e8b9
| [    2.605492] ------------[ cut here ]------------
| [    2.605555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/235
| [    2.605641] Modules linked in: ipvtap ipvlan
| [    2.605796] Tainted: [W]=WARN
[    2.605851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.605927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.606000] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.606130] RSP: 0018:ff75ca83c03a7ca8 EFLAGS: 00010286
[    2.606192] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.606269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.606345] RBP: 0000000000000000 R08: ff3addb943357cd0 R09: ff3addb947650030
[    2.606423] R10: ff3addb947653120 R11: fefefefefefefeff R12: 0000000000000000
[    2.606502] R13: 0000000000000010 R14: ff3addb947653000 R15: ff3addb942061100
[    2.606583] FS:  00007fa87fd81840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.606664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.606735] CR2: 00007fa87ff88430 CR3: 000000000473d006 CR4: 0000000000771ef0
[    2.606814] PKRU: 55555554
[    2.606862] Call Trace:
[    2.606911]  <TASK>
[    2.606964]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.607024]  register_netdevice (net/core/dev.c:11488)
[    2.607082]  register_netdev (net/core/dev.c:11552)
[    2.607139]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.607196]  ops_init (net/core/net_namespace.c:137)
[    2.607254]  setup_net (net/core/net_namespace.c:446)
[    2.607311]  copy_net_ns (net/core/net_namespace.c:579)
[    2.607368]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.607433]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.607498]  ksys_unshare (kernel/fork.c:3243)
[    2.607555]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.607612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.607670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.607733] RIP: 0033:0x7fa880043bcb
[    2.607790] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.607928] RSP: 002b:00007fff7df6b328 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.608011] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa880043bcb
[    2.608088] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.608164] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.608241] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7df6d550
[    2.608317] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7df6e8b9
| [    2.611878] ------------[ cut here ]------------
| [    2.611910] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/236
| [    2.611970] Modules linked in: ipvtap ipvlan
| [    2.612060] Tainted: [W]=WARN
[    2.612082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.612114] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.612143] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.612240] RSP: 0018:ff75ca83c03b7720 EFLAGS: 00010286
[    2.612267] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.612313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.612356] RBP: 0000000000000000 R08: ff3addb9444f8190 R09: ff3addb9475cd02c
[    2.612394] R10: ff3addb94762e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.612434] R13: 0000000000000010 R14: ff3addb94762e000 R15: ff3addb943040100
[    2.612487] FS:  00007f7496690840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.612532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.612567] CR2: 00007f74969601a0 CR3: 000000000471f004 CR4: 0000000000771ef0
[    2.612613] PKRU: 55555554
[    2.612625] Call Trace:
[    2.612642]  <TASK>
[    2.612655]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.612675]  __dev_notify_flags (net/core/dev.c:9787)
[    2.612699]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.612720]  netif_change_flags (net/core/dev.c:9820)
[    2.612743]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.612762]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.612793]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.612818]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.612837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.612867]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.612889]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.612914]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.612947]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.612971]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.612996]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.613019]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.613043]  ___sys_sendmsg (net/socket.c:2752)
[    2.613067]  __sys_sendmsg (net/socket.c:2784)
[    2.613090]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.613112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.613135] RIP: 0033:0x7f74968ca08e
[    2.613160] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.613257] RSP: 002b:00007ffe55d09bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.613303] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f74968ca08e
[    2.613338] RDX: 0000000000000000 RSI: 00007ffe55d09c70 RDI: 0000000000000005
[    2.613381] RBP: 00007ffe55d09bd0 R08: 0000000000000000 R09: 0000000000000000
[    2.613424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.613457] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe55d0a340
| [    2.628707] ------------[ cut here ]------------
| [    2.628738] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/239
| [    2.628794] Modules linked in: ipvtap ipvlan
| [    2.628882] Tainted: [W]=WARN
[    2.628904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.628946] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.628974] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.629078] RSP: 0018:ff75ca83c03ef798 EFLAGS: 00010286
[    2.629109] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.629143] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.629194] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9476e3034
[    2.629237] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.629281] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5500
[    2.629332] FS:  00007f1b25b7e840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.629378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.629415] CR2: 0000000000445730 CR3: 000000000769c001 CR4: 0000000000771ef0
[    2.629460] PKRU: 55555554
[    2.629472] Call Trace:
[    2.629489]  <TASK>
[    2.629506]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.629529]  notifier_call_chain (kernel/notifier.c:85)
[    2.629553]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.629582]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.629612] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.629641] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.629670]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.629694]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.629723]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.629746]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.629772]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.629800]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.629824]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.629848]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.629868]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.629891]  ___sys_sendmsg (net/socket.c:2752)
[    2.629915]  __sys_sendmsg (net/socket.c:2784)
[    2.629937]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.629955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.629982] RIP: 0033:0x7f1b25db808e
[    2.630011] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.630110] RSP: 002b:00007ffd169642e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.630151] RAX: ffffffffffffffda RBX: 00007ffd16964a98 RCX: 00007f1b25db808e
[    2.630197] RDX: 0000000000000000 RSI: 00007ffd16964390 RDI: 0000000000000005
[    2.630236] RBP: 00007ffd169642f0 R08: 0000000000000000 R09: 0000000000000000
[    2.630276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.630317] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16964a50
| [    2.630410] ------------[ cut here ]------------
| [    2.630439] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/239
| [    2.630492] Modules linked in: ipvtap ipvlan
| [    2.630580] Tainted: [W]=WARN
[    2.630600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.630631] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.630665] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.630760] RSP: 0018:ff75ca83c03ef870 EFLAGS: 00010286
[    2.630790] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.630830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.630870] RBP: 0000000000000000 R08: ff3addb9444f5b50 R09: ff3addb9476e3030
[    2.630914] R10: ff3addb9471f0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.630962] R13: 0000000000000010 R14: ff3addb9471f0000 R15: ff3addb941df5500
[    2.631009] FS:  00007f1b25b7e840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.631043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.631078] CR2: 0000000000445730 CR3: 000000000769c001 CR4: 0000000000771ef0
[    2.631119] PKRU: 55555554
[    2.631131] Call Trace:
[    2.631145]  <TASK>
[    2.631161]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.631184]  __dev_notify_flags (net/core/dev.c:9787)
[    2.631205]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.631225]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.631251]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.631279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.631300]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.631328]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.631358]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.631382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.631404]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.631425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.631447]  ___sys_sendmsg (net/socket.c:2752)
[    2.631471]  __sys_sendmsg (net/socket.c:2784)
[    2.631491]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.631514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.631546] RIP: 0033:0x7f1b25db808e
[    2.631568] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.631667] RSP: 002b:00007ffd169642e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.631711] RAX: ffffffffffffffda RBX: 00007ffd16964a98 RCX: 00007f1b25db808e
[    2.631751] RDX: 0000000000000000 RSI: 00007ffd16964390 RDI: 0000000000000005
[    2.631797] RBP: 00007ffd169642f0 R08: 0000000000000000 R09: 0000000000000000
[    2.631835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.631875] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd16964a50
| [    2.637217] ------------[ cut here ]------------
| [    2.637284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    2.637375] Modules linked in: ipvtap ipvlan
| [    2.637528] Tainted: [W]=WARN
[    2.637583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.637653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.637717] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.637850] RSP: 0018:ff75ca83c03f7cb8 EFLAGS: 00010286
[    2.637913] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.638003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913c00
[    2.638080] RBP: 0000000000000000 R08: ff3addb943389010 R09: ff3addb94772a02c
[    2.638156] R10: ff3addb9476e5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.638232] R13: 0000000000000010 R14: ff3addb9476e5000 R15: ff3addb941913c00
[    2.638313] FS:  00007f3ba9bda840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.638391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.638460] CR2: 00007f3ba9ddbc20 CR3: 00000000075f0006 CR4: 0000000000771ef0
[    2.638537] PKRU: 55555554
[    2.638586] Call Trace:
[    2.638634]  <TASK>
[    2.638684]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.638741]  register_netdevice (net/core/dev.c:11488)
[    2.638798]  register_netdev (net/core/dev.c:11552)
[    2.638855]  loopback_net_init (drivers/net/loopback.c:218)
[    2.638914]  ops_init (net/core/net_namespace.c:137)
[    2.638980]  setup_net (net/core/net_namespace.c:446)
[    2.639043]  copy_net_ns (net/core/net_namespace.c:579)
[    2.639100]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.639164]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.639228]  ksys_unshare (kernel/fork.c:3243)
[    2.639285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.639344]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.639403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.639468] RIP: 0033:0x7f3ba9e9cbcb
[    2.639525] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.639660] RSP: 002b:00007ffec4fd1918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.639737] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ba9e9cbcb
[    2.639814] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.639892] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.639974] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec4fd3b40
[    2.640055] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec4fd48b9
| [    2.640294] ------------[ cut here ]------------
| [    2.640357] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    2.640441] Modules linked in: ipvtap ipvlan
| [    2.640600] Tainted: [W]=WARN
[    2.640655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.640725] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.640789] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.640929] RSP: 0018:ff75ca83c03f7c10 EFLAGS: 00010286
[    2.640999] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.641076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.641154] RBP: 0000000000000000 R08: ff3addb943389110 R09: ff3addb947722030
[    2.641230] R10: ff3addb94772a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.641305] R13: 0000000000000010 R14: ff3addb94772a000 R15: ff3addb941913000
[    2.641384] FS:  00007f3ba9bda840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.641464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.641533] CR2: 00007f3ba9ddbc20 CR3: 00000000075f0006 CR4: 0000000000771ef0
[    2.641612] PKRU: 55555554
[    2.641660] Call Trace:
[    2.641709]  <TASK>
[    2.641758]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.641814]  register_netdevice (net/core/dev.c:11488)
[    2.641871]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.641936]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.642001]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.642058]  ops_init (net/core/net_namespace.c:137)
[    2.642116]  setup_net (net/core/net_namespace.c:446)
[    2.642174]  copy_net_ns (net/core/net_namespace.c:579)
[    2.642232]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.642297]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.642362]  ksys_unshare (kernel/fork.c:3243)
[    2.642419]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.642476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.642532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.642595] RIP: 0033:0x7f3ba9e9cbcb
[    2.642651] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.642783] RSP: 002b:00007ffec4fd1918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.642859] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ba9e9cbcb
[    2.642942] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.643024] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.643101] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec4fd3b40
[    2.643176] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec4fd48b9
| [    2.643416] ------------[ cut here ]------------
| [    2.643479] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    2.643563] Modules linked in: ipvtap ipvlan
| [    2.643717] Tainted: [W]=WARN
[    2.643772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.643841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.643905] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.644051] RSP: 0018:ff75ca83c03f7bf0 EFLAGS: 00010286
[    2.644115] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.644189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.644267] RBP: 0000000000000000 R08: ff3addb94194e9d0 R09: ff3addb947720030
[    2.644343] R10: ff3addb947729120 R11: fefefefefefefeff R12: 0000000000000000
[    2.644422] R13: 0000000000000010 R14: ff3addb947729000 R15: ff3addb942060100
[    2.644503] FS:  00007f3ba9bda840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.644583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.644653] CR2: 00007f3ba9ddbc20 CR3: 00000000075f0006 CR4: 0000000000771ef0
[    2.644730] PKRU: 55555554
[    2.644779] Call Trace:
[    2.644827]  <TASK>
[    2.644876]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.644940]  register_netdevice (net/core/dev.c:11488)
[    2.645004]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.645062]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.645121]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.645179]  ops_init (net/core/net_namespace.c:137)
[    2.645237]  setup_net (net/core/net_namespace.c:446)
[    2.645295]  copy_net_ns (net/core/net_namespace.c:579)
[    2.645356]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.645419]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.645484]  ksys_unshare (kernel/fork.c:3243)
[    2.645542]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.645598]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.645655]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.645718] RIP: 0033:0x7f3ba9e9cbcb
[    2.645774] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.645904] RSP: 002b:00007ffec4fd1918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.645996] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ba9e9cbcb
[    2.646073] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.646151] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.646227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec4fd3b40
[    2.646303] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec4fd48b9
| [    2.646583] ------------[ cut here ]------------
| [    2.646646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    2.646730] Modules linked in: ipvtap ipvlan
| [    2.646886] Tainted: [W]=WARN
[    2.646949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.647026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.647091] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.647227] RSP: 0018:ff75ca83c03f7ca8 EFLAGS: 00010286
[    2.647291] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.647369] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    2.647446] RBP: 0000000000000000 R08: ff3addb94194ea10 R09: ff3addb94772d034
[    2.647522] R10: ff3addb947728120 R11: fefefefefefefeff R12: 0000000000000000
[    2.647598] R13: 0000000000000010 R14: ff3addb947728000 R15: ff3addb942063c00
[    2.647677] FS:  00007f3ba9bda840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.647756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.647825] CR2: 00007f3ba9ddbc20 CR3: 00000000075f0006 CR4: 0000000000771ef0
[    2.647905] PKRU: 55555554
[    2.647959] Call Trace:
[    2.648013]  <TASK>
[    2.648063]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.648120]  register_netdevice (net/core/dev.c:11488)
[    2.648177]  register_netdev (net/core/dev.c:11552)
[    2.648234]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.648293]  ops_init (net/core/net_namespace.c:137)
[    2.648349]  setup_net (net/core/net_namespace.c:446)
[    2.648407]  copy_net_ns (net/core/net_namespace.c:579)
[    2.648464]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.648529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.648593]  ksys_unshare (kernel/fork.c:3243)
[    2.648650]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.648707]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.648764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.648828] RIP: 0033:0x7f3ba9e9cbcb
[    2.648884] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.649029] RSP: 002b:00007ffec4fd1918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.649105] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ba9e9cbcb
[    2.649182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.649263] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.649342] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec4fd3b40
[    2.649420] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec4fd48b9
| [    2.649698] ------------[ cut here ]------------
| [    2.649761] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    2.649846] Modules linked in: ipvtap ipvlan
| [    2.650013] Tainted: [W]=WARN
[    2.650068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.650137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.650201] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.650331] RSP: 0018:ff75ca83c03f7ca0 EFLAGS: 00010286
[    2.650393] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.650467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913b00
[    2.650543] RBP: 0000000000000000 R08: ff3addb94194e910 R09: ff3addb94773a030
[    2.650618] R10: ff3addb94772d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.650695] R13: 0000000000000010 R14: ff3addb94772d000 R15: ff3addb941913b00
[    2.650775] FS:  00007f3ba9bda840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.650855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.650932] CR2: 00007f3ba9ddbc20 CR3: 00000000075f0006 CR4: 0000000000771ef0
[    2.651016] PKRU: 55555554
[    2.651065] Call Trace:
[    2.651114]  <TASK>
[    2.651163]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.651219]  register_netdevice (net/core/dev.c:11488)
[    2.651278]  register_netdev (net/core/dev.c:11552)
[    2.651336]  sit_init_net (net/ipv6/sit.c:1860)
[    2.651394]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.651451]  ops_init (net/core/net_namespace.c:137)
[    2.651509]  setup_net (net/core/net_namespace.c:446)
[    2.651567]  copy_net_ns (net/core/net_namespace.c:579)
[    2.651624]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.651687]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.651751]  ksys_unshare (kernel/fork.c:3243)
[    2.651807]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.651865]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.651928]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.651998] RIP: 0033:0x7f3ba9e9cbcb
[    2.652054] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.652186] RSP: 002b:00007ffec4fd1918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.652264] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ba9e9cbcb
[    2.652342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.652419] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.652495] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec4fd3b40
[    2.652571] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec4fd48b9
| [    2.652847] ------------[ cut here ]------------
| [    2.652909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    2.653008] Modules linked in: ipvtap ipvlan
| [    2.653163] Tainted: [W]=WARN
[    2.653219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.653287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.653353] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.653482] RSP: 0018:ff75ca83c03f7ca8 EFLAGS: 00010286
[    2.653545] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.653622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.653697] RBP: 0000000000000000 R08: ff3addb94194e810 R09: ff3addb94773f030
[    2.653773] R10: ff3addb94773a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.653849] R13: 0000000000000010 R14: ff3addb94773a000 R15: ff3addb942061100
[    2.653937] FS:  00007f3ba9bda840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.654025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.654094] CR2: 00007f3ba9ddbc20 CR3: 00000000075f0006 CR4: 0000000000771ef0
[    2.654171] PKRU: 55555554
[    2.654219] Call Trace:
[    2.654268]  <TASK>
[    2.654316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.654374]  register_netdevice (net/core/dev.c:11488)
[    2.654431]  register_netdev (net/core/dev.c:11552)
[    2.654488]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.654546]  ops_init (net/core/net_namespace.c:137)
[    2.654604]  setup_net (net/core/net_namespace.c:446)
[    2.654661]  copy_net_ns (net/core/net_namespace.c:579)
[    2.654718]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.654782]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.654846]  ksys_unshare (kernel/fork.c:3243)
[    2.654903]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.654967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.655028]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.655092] RIP: 0033:0x7f3ba9e9cbcb
[    2.655148] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.655280] RSP: 002b:00007ffec4fd1918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.655361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3ba9e9cbcb
[    2.655437] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.655514] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.655589] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffec4fd3b40
[    2.655666] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec4fd48b9
| [    2.659186] ------------[ cut here ]------------
| [    2.659217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/242
| [    2.659271] Modules linked in: ipvtap ipvlan
| [    2.659368] Tainted: [W]=WARN
[    2.659390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.659427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.659458] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.659549] RSP: 0018:ff75ca83c03ff720 EFLAGS: 00010286
[    2.659572] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.659618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.659656] RBP: 0000000000000000 R08: ff3addb943389010 R09: ff3addb9475cd02c
[    2.659697] R10: ff3addb9476e5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.659738] R13: 0000000000000010 R14: ff3addb9476e5000 R15: ff3addb943040100
[    2.659781] FS:  00007f131f8ba840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.659829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.659864] CR2: 00000000031fd988 CR3: 00000000075ed006 CR4: 0000000000771ef0
[    2.659908] PKRU: 55555554
[    2.659925] Call Trace:
[    2.659939]  <TASK>
[    2.659956]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.659978]  __dev_notify_flags (net/core/dev.c:9787)
[    2.660005]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.660026]  netif_change_flags (net/core/dev.c:9820)
[    2.660046]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.660068]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.660100]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.660123]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.660145]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.660172]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.660193]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.660214]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.660242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.660264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.660285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.660309]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.660332]  ___sys_sendmsg (net/socket.c:2752)
[    2.660354]  __sys_sendmsg (net/socket.c:2784)
[    2.660373]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.660397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.660423] RIP: 0033:0x7f131faf408e
[    2.660447] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.660552] RSP: 002b:00007ffec12eb870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.660594] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f131faf408e
[    2.660638] RDX: 0000000000000000 RSI: 00007ffec12eb920 RDI: 0000000000000005
[    2.660681] RBP: 00007ffec12eb880 R08: 0000000000000000 R09: 0000000000000000
[    2.660721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.660764] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec12ebff0
| [    2.676170] ------------[ cut here ]------------
| [    2.676202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/245
| [    2.676257] Modules linked in: ipvtap ipvlan
| [    2.676360] Tainted: [W]=WARN
[    2.676388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.676423] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.676448] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.676550] RSP: 0018:ff75ca83c046f798 EFLAGS: 00010286
[    2.676578] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.676620] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.676668] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb9476e1034
[    2.676709] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.676754] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5500
[    2.676795] FS:  00007f6dc7aa1840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.676837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.676875] CR2: 0000000000445730 CR3: 0000000007758005 CR4: 0000000000771ef0
[    2.676917] PKRU: 55555554
[    2.676942] Call Trace:
[    2.676955]  <TASK>
[    2.676971]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.676998]  notifier_call_chain (kernel/notifier.c:85)
[    2.677021]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.677052]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.677083] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.677116] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.677140]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.677164]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.677193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.677213]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.677240]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.677270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.677293]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.677315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.677334]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.677356]  ___sys_sendmsg (net/socket.c:2752)
[    2.677379]  __sys_sendmsg (net/socket.c:2784)
[    2.677401]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.677423]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.677453] RIP: 0033:0x7f6dc7cdb08e
[    2.677478] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.677568] RSP: 002b:00007fff58b11500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.677612] RAX: ffffffffffffffda RBX: 00007fff58b11cb8 RCX: 00007f6dc7cdb08e
[    2.677654] RDX: 0000000000000000 RSI: 00007fff58b115b0 RDI: 0000000000000005
[    2.677694] RBP: 00007fff58b11510 R08: 0000000000000000 R09: 0000000000000000
[    2.677733] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.677774] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff58b11c70
| [    2.677863] ------------[ cut here ]------------
| [    2.677893] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/245
| [    2.677944] Modules linked in: ipvtap ipvlan
| [    2.678033] Tainted: [W]=WARN
[    2.678054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.678090] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.678121] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.678225] RSP: 0018:ff75ca83c046f870 EFLAGS: 00010286
[    2.678255] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.678299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.678340] RBP: 0000000000000000 R08: ff3addb9444f5090 R09: ff3addb9476e1030
[    2.678383] R10: ff3addb9476f6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.678422] R13: 0000000000000010 R14: ff3addb9476f6000 R15: ff3addb941df5500
[    2.678469] FS:  00007f6dc7aa1840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.678513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.678548] CR2: 0000000000445730 CR3: 0000000007758005 CR4: 0000000000771ef0
[    2.678594] PKRU: 55555554
[    2.678608] Call Trace:
[    2.678624]  <TASK>
[    2.678639]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.678660]  __dev_notify_flags (net/core/dev.c:9787)
[    2.678684]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.678707]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.678729]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.678759]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.678783]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.678811]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.678837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.678859]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.678878]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.678901]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.678924]  ___sys_sendmsg (net/socket.c:2752)
[    2.678949]  __sys_sendmsg (net/socket.c:2784)
[    2.678968]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.678993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.679022] RIP: 0033:0x7f6dc7cdb08e
[    2.679045] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.679143] RSP: 002b:00007fff58b11500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.679184] RAX: ffffffffffffffda RBX: 00007fff58b11cb8 RCX: 00007f6dc7cdb08e
[    2.679226] RDX: 0000000000000000 RSI: 00007fff58b115b0 RDI: 0000000000000005
[    2.679263] RBP: 00007fff58b11510 R08: 0000000000000000 R09: 0000000000000000
[    2.679303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.679345] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff58b11c70
| [    2.684704] ------------[ cut here ]------------
| [    2.684737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/247
| [    2.684794] Modules linked in: ipvtap ipvlan
| [    2.684869] Tainted: [W]=WARN
[    2.684891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.684933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.684960] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.685062] RSP: 0018:ff75ca83c0477cb8 EFLAGS: 00010286
[    2.685087] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.685127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.685167] RBP: 0000000000000000 R08: ff3addb94317a010 R09: ff3addb9477a302c
[    2.685205] R10: ff3addb9475e6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.685245] R13: 0000000000000010 R14: ff3addb9475e6000 R15: ff3addb943040100
[    2.685289] FS:  00007fe0254ce840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.685331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.685368] CR2: 00007fe0256cfc20 CR3: 00000000075fd006 CR4: 0000000000771ef0
[    2.685409] PKRU: 55555554
[    2.685424] Call Trace:
[    2.685437]  <TASK>
[    2.685452]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.685470]  register_netdevice (net/core/dev.c:11488)
[    2.685492]  register_netdev (net/core/dev.c:11552)
[    2.685517]  loopback_net_init (drivers/net/loopback.c:218)
[    2.685542]  ops_init (net/core/net_namespace.c:137)
[    2.685567]  setup_net (net/core/net_namespace.c:446)
[    2.685589]  copy_net_ns (net/core/net_namespace.c:579)
[    2.685613]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.685644]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.685670]  ksys_unshare (kernel/fork.c:3243)
[    2.685692]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.685715]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.685738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.685769] RIP: 0033:0x7fe025790bcb
[    2.685793] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.685885] RSP: 002b:00007ffed3b10608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.685935] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe025790bcb
[    2.685976] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.686021] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.686065] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed3b12830
[    2.686112] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed3b148b9
| [    2.686243] ------------[ cut here ]------------
| [    2.686270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/247
| [    2.686318] Modules linked in: ipvtap ipvlan
| [    2.686402] Tainted: [W]=WARN
[    2.686422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.686462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.686492] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.686588] RSP: 0018:ff75ca83c0477c10 EFLAGS: 00010286
[    2.686619] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.686660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063000
[    2.686700] RBP: 0000000000000000 R08: ff3addb94191bd50 R09: ff3addb9475de830
[    2.686745] R10: ff3addb9477a3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.686787] R13: 0000000000000010 R14: ff3addb9477a3000 R15: ff3addb942063000
[    2.686831] FS:  00007fe0254ce840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.686878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.686912] CR2: 00007fe0256cfc20 CR3: 00000000075fd006 CR4: 0000000000771ef0
[    2.686956] PKRU: 55555554
[    2.686970] Call Trace:
[    2.686990]  <TASK>
[    2.687005]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.687026]  register_netdevice (net/core/dev.c:11488)
[    2.687046]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.687072]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.687095]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.687119]  ops_init (net/core/net_namespace.c:137)
[    2.687139]  setup_net (net/core/net_namespace.c:446)
[    2.687162]  copy_net_ns (net/core/net_namespace.c:579)
[    2.687182]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.687212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.687244]  ksys_unshare (kernel/fork.c:3243)
[    2.687262]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.687282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.687306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.687330] RIP: 0033:0x7fe025790bcb
[    2.687353] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.687449] RSP: 002b:00007ffed3b10608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.687489] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe025790bcb
[    2.687532] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.687569] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.687612] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed3b12830
[    2.687654] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed3b148b9
| [    2.687789] ------------[ cut here ]------------
| [    2.687816] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/247
| [    2.687867] Modules linked in: ipvtap ipvlan
| [    2.687958] Tainted: [W]=WARN
[    2.687988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.688026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.688058] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.688153] RSP: 0018:ff75ca83c0477bf0 EFLAGS: 00010286
[    2.688187] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.688231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063700
[    2.688273] RBP: 0000000000000000 R08: ff3addb94339cd10 R09: ff3addb9477a8830
[    2.688315] R10: ff3addb9477a2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.688355] R13: 0000000000000010 R14: ff3addb9477a2000 R15: ff3addb942063700
[    2.688402] FS:  00007fe0254ce840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.688447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.688483] CR2: 00007fe0256cfc20 CR3: 00000000075fd006 CR4: 0000000000771ef0
[    2.688526] PKRU: 55555554
[    2.688540] Call Trace:
[    2.688554]  <TASK>
[    2.688567]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.688588]  register_netdevice (net/core/dev.c:11488)
[    2.688611]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.688632]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.688654]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.688674]  ops_init (net/core/net_namespace.c:137)
[    2.688695]  setup_net (net/core/net_namespace.c:446)
[    2.688718]  copy_net_ns (net/core/net_namespace.c:579)
[    2.688743]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.688776]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.688808]  ksys_unshare (kernel/fork.c:3243)
[    2.688832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.688849]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.688872]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.688898] RIP: 0033:0x7fe025790bcb
[    2.688923] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.689027] RSP: 002b:00007ffed3b10608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.689069] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe025790bcb
[    2.689112] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.689158] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.689204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed3b12830
[    2.689246] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed3b148b9
| [    2.689380] ------------[ cut here ]------------
| [    2.689407] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/247
| [    2.689458] Modules linked in: ipvtap ipvlan
| [    2.689546] Tainted: [W]=WARN
[    2.689567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.689598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.689622] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.689724] RSP: 0018:ff75ca83c0477ca8 EFLAGS: 00010286
[    2.689752] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.689796] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062200
[    2.689843] RBP: 0000000000000000 R08: ff3addb9433896d0 R09: ff3addb9477a6034
[    2.689888] R10: ff3addb9477a1120 R11: fefefefefefefeff R12: 0000000000000000
[    2.689932] R13: 0000000000000010 R14: ff3addb9477a1000 R15: ff3addb942062200
[    2.689979] FS:  00007fe0254ce840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.690026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.690062] CR2: 00007fe0256cfc20 CR3: 00000000075fd006 CR4: 0000000000771ef0
[    2.690102] PKRU: 55555554
[    2.690116] Call Trace:
[    2.690130]  <TASK>
[    2.690145]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.690167]  register_netdevice (net/core/dev.c:11488)
[    2.690185]  register_netdev (net/core/dev.c:11552)
[    2.690206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.690230]  ops_init (net/core/net_namespace.c:137)
[    2.690252]  setup_net (net/core/net_namespace.c:446)
[    2.690277]  copy_net_ns (net/core/net_namespace.c:579)
[    2.690301]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.690327]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.690354]  ksys_unshare (kernel/fork.c:3243)
[    2.690374]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.690397]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.690418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.690446] RIP: 0033:0x7fe025790bcb
[    2.690465] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.690563] RSP: 002b:00007ffed3b10608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.690607] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe025790bcb
[    2.690650] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.690693] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.690735] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed3b12830
[    2.690778] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed3b148b9
| [    2.690923] ------------[ cut here ]------------
| [    2.690949] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/247
| [    2.690998] Modules linked in: ipvtap ipvlan
| [    2.691071] Tainted: [W]=WARN
[    2.691091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.691129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.691159] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.691259] RSP: 0018:ff75ca83c0477ca0 EFLAGS: 00010286
[    2.691290] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.691335] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.691384] RBP: 0000000000000000 R08: ff3addb9431963d0 R09: ff3addb9477b3030
[    2.691423] R10: ff3addb9477a6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.691462] R13: 0000000000000010 R14: ff3addb9477a6000 R15: ff3addb943040100
[    2.691507] FS:  00007fe0254ce840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.691550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.691578] CR2: 00007fe0256cfc20 CR3: 00000000075fd006 CR4: 0000000000771ef0
[    2.691622] PKRU: 55555554
[    2.691635] Call Trace:
[    2.691650]  <TASK>
[    2.691666]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.691690]  register_netdevice (net/core/dev.c:11488)
[    2.691709]  register_netdev (net/core/dev.c:11552)
[    2.691732]  sit_init_net (net/ipv6/sit.c:1860)
[    2.691756]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.691779]  ops_init (net/core/net_namespace.c:137)
[    2.691802]  setup_net (net/core/net_namespace.c:446)
[    2.691823]  copy_net_ns (net/core/net_namespace.c:579)
[    2.691842]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.691868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.691892]  ksys_unshare (kernel/fork.c:3243)
[    2.691918]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.691944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.691966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.691997] RIP: 0033:0x7fe025790bcb
[    2.692018] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.692109] RSP: 002b:00007ffed3b10608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.692152] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe025790bcb
[    2.692192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.692232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.692272] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed3b12830
[    2.692313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed3b148b9
| [    2.692426] ------------[ cut here ]------------
| [    2.692452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/247
| [    2.692502] Modules linked in: ipvtap ipvlan
| [    2.692582] Tainted: [W]=WARN
[    2.692603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.692640] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.692668] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.692771] RSP: 0018:ff75ca83c0477ca8 EFLAGS: 00010286
[    2.692808] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.692845] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061800
[    2.692878] RBP: 0000000000000000 R08: ff3addb943196510 R09: ff3addb9477b0030
[    2.692923] R10: ff3addb9477b3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.692965] R13: 0000000000000010 R14: ff3addb9477b3000 R15: ff3addb942061800
[    2.693011] FS:  00007fe0254ce840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.693052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.693086] CR2: 00007fe0256cfc20 CR3: 00000000075fd006 CR4: 0000000000771ef0
[    2.693131] PKRU: 55555554
[    2.693144] Call Trace:
[    2.693154]  <TASK>
[    2.693169]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.693191]  register_netdevice (net/core/dev.c:11488)
[    2.693215]  register_netdev (net/core/dev.c:11552)
[    2.693240]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.693259]  ops_init (net/core/net_namespace.c:137)
[    2.693285]  setup_net (net/core/net_namespace.c:446)
[    2.693311]  copy_net_ns (net/core/net_namespace.c:579)
[    2.693330]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.693358]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.693388]  ksys_unshare (kernel/fork.c:3243)
[    2.693409]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.693432]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.693454]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.693481] RIP: 0033:0x7fe025790bcb
[    2.693502] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.693601] RSP: 002b:00007ffed3b10608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.693643] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe025790bcb
[    2.693690] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.693733] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.693778] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed3b12830
[    2.693822] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed3b148b9
| [    2.697096] ------------[ cut here ]------------
| [    2.697164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/248
| [    2.697249] Modules linked in: ipvtap ipvlan
| [    2.697403] Tainted: [W]=WARN
[    2.697457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.697527] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.697589] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.697719] RSP: 0018:ff75ca83c047f720 EFLAGS: 00010286
[    2.697782] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.697857] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.697941] RBP: 0000000000000000 R08: ff3addb94317a010 R09: ff3addb94773f02c
[    2.698027] R10: ff3addb9475e6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.698108] R13: 0000000000000010 R14: ff3addb9475e6000 R15: ff3addb942061100
[    2.698188] FS:  00007fd5f0e83840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.698266] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.698339] CR2: 00000000222ee988 CR3: 0000000007682002 CR4: 0000000000771ef0
[    2.698421] PKRU: 55555554
[    2.698471] Call Trace:
[    2.698520]  <TASK>
[    2.698569]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.698626]  __dev_notify_flags (net/core/dev.c:9787)
[    2.698683]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.698740]  netif_change_flags (net/core/dev.c:9820)
[    2.698797]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.698855]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.698928]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.698994]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.699052]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.699116]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.699173]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.699230]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.699295]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.699354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.699411]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.699469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.699527]  ___sys_sendmsg (net/socket.c:2752)
[    2.699584]  __sys_sendmsg (net/socket.c:2784)
[    2.699642]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.699699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.699762] RIP: 0033:0x7fd5f10bd08e
[    2.699818] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.699952] RSP: 002b:00007fff480486a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.700032] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd5f10bd08e
[    2.700108] RDX: 0000000000000000 RSI: 00007fff48048750 RDI: 0000000000000005
[    2.700183] RBP: 00007fff480486b0 R08: 0000000000000000 R09: 0000000000000000
[    2.700258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.700334] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff48048e20
| [    2.714621] ------------[ cut here ]------------
| [    2.714687] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/251
| [    2.714776] Modules linked in: ipvtap ipvlan
| [    2.714941] Tainted: [W]=WARN
[    2.715001] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.715071] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.715134] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.715265] RSP: 0018:ff75ca83c049f798 EFLAGS: 00010286
[    2.715327] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.715403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.715479] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94773d034
[    2.715554] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.715629] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942061100
[    2.715710] FS:  00007fb1240e1840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.715790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.715859] CR2: 0000000000445730 CR3: 0000000007621002 CR4: 0000000000771ef0
[    2.715944] PKRU: 55555554
[    2.715999] Call Trace:
[    2.716048]  <TASK>
[    2.716096]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.716153]  notifier_call_chain (kernel/notifier.c:85)
[    2.716210]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.716274]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.716339] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.716403] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.716467]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.716525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.716589]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.716646]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.716710]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.716774]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.716832]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.716888]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.716952]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.717017]  ___sys_sendmsg (net/socket.c:2752)
[    2.717076]  __sys_sendmsg (net/socket.c:2784)
[    2.717133]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.717190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.717253] RIP: 0033:0x7fb12431b08e
[    2.717309] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.717441] RSP: 002b:00007ffef1245fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.717519] RAX: ffffffffffffffda RBX: 00007ffef1246798 RCX: 00007fb12431b08e
[    2.717594] RDX: 0000000000000000 RSI: 00007ffef1246090 RDI: 0000000000000005
[    2.717671] RBP: 00007ffef1245ff0 R08: 0000000000000000 R09: 0000000000000000
[    2.717747] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.717824] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef1246750
| [    2.718030] ------------[ cut here ]------------
| [    2.718092] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/251
| [    2.718176] Modules linked in: ipvtap ipvlan
| [    2.718328] Tainted: [W]=WARN
[    2.718383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.718451] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.718514] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.718644] RSP: 0018:ff75ca83c049f870 EFLAGS: 00010286
[    2.718707] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.718783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.718858] RBP: 0000000000000000 R08: ff3addb94194bfd0 R09: ff3addb94773d030
[    2.718943] R10: ff3addb947718120 R11: fefefefefefefeff R12: 0000000000000000
[    2.719030] R13: 0000000000000010 R14: ff3addb947718000 R15: ff3addb942061100
[    2.719111] FS:  00007fb1240e1840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.719191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.719261] CR2: 0000000000445730 CR3: 0000000007621002 CR4: 0000000000771ef0
[    2.719339] PKRU: 55555554
[    2.719387] Call Trace:
[    2.719435]  <TASK>
[    2.719484]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.719540]  __dev_notify_flags (net/core/dev.c:9787)
[    2.719597]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.719655]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.719712]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.719775]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.719833]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.719895]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.719965]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.720028]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.720086]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.720143]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.720201]  ___sys_sendmsg (net/socket.c:2752)
[    2.720259]  __sys_sendmsg (net/socket.c:2784)
[    2.720316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.720373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.720436] RIP: 0033:0x7fb12431b08e
[    2.720492] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.720621] RSP: 002b:00007ffef1245fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.720698] RAX: ffffffffffffffda RBX: 00007ffef1246798 RCX: 00007fb12431b08e
[    2.720773] RDX: 0000000000000000 RSI: 00007ffef1246090 RDI: 0000000000000005
[    2.720848] RBP: 00007ffef1245ff0 R08: 0000000000000000 R09: 0000000000000000
[    2.720929] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.721010] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef1246750
| [    2.726451] ------------[ cut here ]------------
| [    2.726514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/253
| [    2.726600] Modules linked in: ipvtap ipvlan
| [    2.726755] Tainted: [W]=WARN
[    2.726809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.726878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.726948] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.727092] RSP: 0018:ff75ca83c04afcb8 EFLAGS: 00010286
[    2.727154] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.727230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.727307] RBP: 0000000000000000 R08: ff3addb944538510 R09: ff3addb94a06302c
[    2.727384] R10: ff3addb94a04e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.727459] R13: 0000000000000010 R14: ff3addb94a04e000 R15: ff3addb942061100
[    2.727538] FS:  00007fee43306840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.727616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.727684] CR2: 00007fee4367f493 CR3: 0000000007621005 CR4: 0000000000771ef0
[    2.727762] PKRU: 55555554
[    2.727811] Call Trace:
[    2.727859]  <TASK>
[    2.727908]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.727976]  register_netdevice (net/core/dev.c:11488)
[    2.728041]  register_netdev (net/core/dev.c:11552)
[    2.728102]  loopback_net_init (drivers/net/loopback.c:218)
[    2.728165]  ops_init (net/core/net_namespace.c:137)
[    2.728226]  setup_net (net/core/net_namespace.c:446)
[    2.728287]  copy_net_ns (net/core/net_namespace.c:579)
[    2.728349]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.728418]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.728487]  ksys_unshare (kernel/fork.c:3243)
[    2.728549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.728610]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.728672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.728739] RIP: 0033:0x7fee435c8bcb
[    2.728799] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.728947] RSP: 002b:00007ffdcebfa048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.729038] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee435c8bcb
[    2.729117] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.729195] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.729272] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcebfc270
[    2.729347] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcebfc8b9
| [    2.729589] ------------[ cut here ]------------
| [    2.729652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/253
| [    2.729735] Modules linked in: ipvtap ipvlan
| [    2.729889] Tainted: [W]=WARN
[    2.729952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.730025] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.730089] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.730219] RSP: 0018:ff75ca83c04afc10 EFLAGS: 00010286
[    2.730282] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.730362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    2.730440] RBP: 0000000000000000 R08: ff3addb94317a3d0 R09: ff3addb94a069830
[    2.730514] R10: ff3addb94a063120 R11: fefefefefefefeff R12: 0000000000000000
[    2.730590] R13: 0000000000000010 R14: ff3addb94a063000 R15: ff3addb942062a00
[    2.730669] FS:  00007fee43306840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.730750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.730819] CR2: 00007fee4367f493 CR3: 0000000007621005 CR4: 0000000000771ef0
[    2.730898] PKRU: 55555554
[    2.730952] Call Trace:
[    2.731009]  <TASK>
[    2.731058]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.731115]  register_netdevice (net/core/dev.c:11488)
[    2.731172]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.731230]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.731289]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.731348]  ops_init (net/core/net_namespace.c:137)
[    2.731406]  setup_net (net/core/net_namespace.c:446)
[    2.731463]  copy_net_ns (net/core/net_namespace.c:579)
[    2.731520]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.731584]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.731648]  ksys_unshare (kernel/fork.c:3243)
[    2.731705]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.731762]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.731820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.731883] RIP: 0033:0x7fee435c8bcb
[    2.731946] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.732086] RSP: 002b:00007ffdcebfa048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.732163] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee435c8bcb
[    2.732241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.732316] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.732393] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcebfc270
[    2.732468] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcebfc8b9
| [    2.732703] ------------[ cut here ]------------
| [    2.732766] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/253
| [    2.732852] Modules linked in: ipvtap ipvlan
| [    2.733018] Tainted: [W]=WARN
[    2.733074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.733143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.733206] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.733338] RSP: 0018:ff75ca83c04afbf0 EFLAGS: 00010286
[    2.733401] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.733475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913d00
[    2.733553] RBP: 0000000000000000 R08: ff3addb94194b250 R09: ff3addb94a05f830
[    2.733629] R10: ff3addb94a062120 R11: fefefefefefefeff R12: 0000000000000000
[    2.733705] R13: 0000000000000010 R14: ff3addb94a062000 R15: ff3addb941913d00
[    2.733784] FS:  00007fee43306840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.733862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.733937] CR2: 00007fee4367f493 CR3: 0000000007621005 CR4: 0000000000771ef0
[    2.734022] PKRU: 55555554
[    2.734070] Call Trace:
[    2.734119]  <TASK>
[    2.734168]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.734224]  register_netdevice (net/core/dev.c:11488)
[    2.734282]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.734340]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.734398]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.734455]  ops_init (net/core/net_namespace.c:137)
[    2.734513]  setup_net (net/core/net_namespace.c:446)
[    2.734570]  copy_net_ns (net/core/net_namespace.c:579)
[    2.734627]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.734690]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.734755]  ksys_unshare (kernel/fork.c:3243)
[    2.734812]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.734869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.734935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.735006] RIP: 0033:0x7fee435c8bcb
[    2.735061] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.735192] RSP: 002b:00007ffdcebfa048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.735269] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee435c8bcb
[    2.735346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.735423] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.735498] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcebfc270
[    2.735576] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcebfc8b9
| [    2.735824] ------------[ cut here ]------------
| [    2.735888] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/253
| [    2.735982] Modules linked in: ipvtap ipvlan
| [    2.736146] Tainted: [W]=WARN
[    2.736205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.736278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.736347] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.736482] RSP: 0018:ff75ca83c04afca8 EFLAGS: 00010286
[    2.736546] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.736623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    2.736702] RBP: 0000000000000000 R08: ff3addb94317a750 R09: ff3addb94a066034
[    2.736777] R10: ff3addb94a061120 R11: fefefefefefefeff R12: 0000000000000000
[    2.736854] R13: 0000000000000010 R14: ff3addb94a061000 R15: ff3addb941914300
[    2.736941] FS:  00007fee43306840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.737029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.737099] CR2: 00007fee4367f493 CR3: 0000000007621005 CR4: 0000000000771ef0
[    2.737177] PKRU: 55555554
[    2.737225] Call Trace:
[    2.737273]  <TASK>
[    2.737322]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.737380]  register_netdevice (net/core/dev.c:11488)
[    2.737437]  register_netdev (net/core/dev.c:11552)
[    2.737494]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.737553]  ops_init (net/core/net_namespace.c:137)
[    2.737611]  setup_net (net/core/net_namespace.c:446)
[    2.737668]  copy_net_ns (net/core/net_namespace.c:579)
[    2.737726]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.737790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.737853]  ksys_unshare (kernel/fork.c:3243)
[    2.737911]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.737973]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.738035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.738099] RIP: 0033:0x7fee435c8bcb
[    2.738155] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.738284] RSP: 002b:00007ffdcebfa048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.738364] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee435c8bcb
[    2.738441] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.738517] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.738592] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcebfc270
[    2.738669] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcebfc8b9
| [    2.738915] ------------[ cut here ]------------
| [    2.738991] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/253
| [    2.739075] Modules linked in: ipvtap ipvlan
| [    2.739237] Tainted: [W]=WARN
[    2.739291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.739366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.739433] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.739570] RSP: 0018:ff75ca83c04afca0 EFLAGS: 00010286
[    2.739637] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.739717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.739794] RBP: 0000000000000000 R08: ff3addb94317a690 R09: ff3addb94a073030
[    2.739870] R10: ff3addb94a066120 R11: fefefefefefefeff R12: 0000000000000000
[    2.739953] R13: 0000000000000010 R14: ff3addb94a066000 R15: ff3addb941913000
[    2.740036] FS:  00007fee43306840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.740115] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.740185] CR2: 00007fee4367f493 CR3: 0000000007621005 CR4: 0000000000771ef0
[    2.740264] PKRU: 55555554
[    2.740313] Call Trace:
[    2.740361]  <TASK>
[    2.740410]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.740468]  register_netdevice (net/core/dev.c:11488)
[    2.740525]  register_netdev (net/core/dev.c:11552)
[    2.740581]  sit_init_net (net/ipv6/sit.c:1860)
[    2.740638]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.740696]  ops_init (net/core/net_namespace.c:137)
[    2.740753]  setup_net (net/core/net_namespace.c:446)
[    2.740811]  copy_net_ns (net/core/net_namespace.c:579)
[    2.740867]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.740938]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.741008]  ksys_unshare (kernel/fork.c:3243)
[    2.741066]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.741122]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.741180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.741243] RIP: 0033:0x7fee435c8bcb
[    2.741300] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.741430] RSP: 002b:00007ffdcebfa048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.741507] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee435c8bcb
[    2.741582] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.741657] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.741733] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcebfc270
[    2.741809] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcebfc8b9
| [    2.742098] ------------[ cut here ]------------
| [    2.742160] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/253
| [    2.742242] Modules linked in: ipvtap ipvlan
| [    2.742396] Tainted: [W]=WARN
[    2.742452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.742521] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.742584] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.742714] RSP: 0018:ff75ca83c04afca8 EFLAGS: 00010286
[    2.742776] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.742853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.742936] RBP: 0000000000000000 R08: ff3addb94194b950 R09: ff3addb94a070030
[    2.743020] R10: ff3addb94a073120 R11: fefefefefefefeff R12: 0000000000000000
[    2.743096] R13: 0000000000000010 R14: ff3addb94a073000 R15: ff3addb941913000
[    2.743175] FS:  00007fee43306840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.743254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.743323] CR2: 00007fee4367f493 CR3: 0000000007621005 CR4: 0000000000771ef0
[    2.743402] PKRU: 55555554
[    2.743451] Call Trace:
[    2.743500]  <TASK>
[    2.743548]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.743605]  register_netdevice (net/core/dev.c:11488)
[    2.743662]  register_netdev (net/core/dev.c:11552)
[    2.743718]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.743776]  ops_init (net/core/net_namespace.c:137)
[    2.743834]  setup_net (net/core/net_namespace.c:446)
[    2.743892]  copy_net_ns (net/core/net_namespace.c:579)
[    2.743953]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.744024]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.744088]  ksys_unshare (kernel/fork.c:3243)
[    2.744145]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.744203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.744260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.744324] RIP: 0033:0x7fee435c8bcb
[    2.744380] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.744511] RSP: 002b:00007ffdcebfa048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.744587] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee435c8bcb
[    2.744662] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.744737] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.744812] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdcebfc270
[    2.744891] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdcebfc8b9
| [    2.748378] ------------[ cut here ]------------
| [    2.748413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/254
| [    2.748470] Modules linked in: ipvtap ipvlan
| [    2.748568] Tainted: [W]=WARN
[    2.748592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.748627] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.748658] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.748753] RSP: 0018:ff75ca83c04b7720 EFLAGS: 00010286
[    2.748786] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.748827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061000
[    2.748870] RBP: 0000000000000000 R08: ff3addb944538510 R09: ff3addb9477b002c
[    2.748911] R10: ff3addb94a04e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.748960] R13: 0000000000000010 R14: ff3addb94a04e000 R15: ff3addb942061000
[    2.749006] FS:  00007fb1bdbec840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.749053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.749090] CR2: 0000000039203988 CR3: 00000000076dc002 CR4: 0000000000771ef0
[    2.749128] PKRU: 55555554
[    2.749142] Call Trace:
[    2.749156]  <TASK>
[    2.749171]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.749193]  __dev_notify_flags (net/core/dev.c:9787)
[    2.749215]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.749238]  netif_change_flags (net/core/dev.c:9820)
[    2.749259]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.749281]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.749313]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.749338]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.749362]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.749385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.749411]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.749437]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.749467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.749488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.749510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.749533]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.749555]  ___sys_sendmsg (net/socket.c:2752)
[    2.749578]  __sys_sendmsg (net/socket.c:2784)
[    2.749601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.749622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.749645] RIP: 0033:0x7fb1bde2608e
[    2.749669] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.749766] RSP: 002b:00007ffef6125bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.749812] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb1bde2608e
[    2.749852] RDX: 0000000000000000 RSI: 00007ffef6125ca0 RDI: 0000000000000005
[    2.749892] RBP: 00007ffef6125c00 R08: 0000000000000000 R09: 0000000000000000
[    2.749938] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.749980] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef6126370
| [    2.764761] ------------[ cut here ]------------
| [    2.764798] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/257
| [    2.764848] Modules linked in: ipvtap ipvlan
| [    2.764947] Tainted: [W]=WARN
[    2.764970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.765012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.765044] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.765140] RSP: 0018:ff75ca83c04cf798 EFLAGS: 00010286
[    2.765169] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.765216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.765259] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94770b034
[    2.765304] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.765344] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5500
[    2.765387] FS:  00007f42d2cc3840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.765429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.765462] CR2: 0000000000445730 CR3: 000000000a0a7003 CR4: 0000000000771ef0
[    2.765504] PKRU: 55555554
[    2.765519] Call Trace:
[    2.765534]  <TASK>
[    2.765548]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.765568]  notifier_call_chain (kernel/notifier.c:85)
[    2.765592]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.765625]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.765655] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.765681] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.765710]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.765735]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.765764]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.765785]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.765813]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.765843]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.765867]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.765890]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.765912]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.765940]  ___sys_sendmsg (net/socket.c:2752)
[    2.765965]  __sys_sendmsg (net/socket.c:2784)
[    2.765991]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.766018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.766050] RIP: 0033:0x7f42d2efd08e
[    2.766070] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.766168] RSP: 002b:00007ffcda9f28b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.766207] RAX: ffffffffffffffda RBX: 00007ffcda9f3068 RCX: 00007f42d2efd08e
[    2.766249] RDX: 0000000000000000 RSI: 00007ffcda9f2960 RDI: 0000000000000005
[    2.766297] RBP: 00007ffcda9f28c0 R08: 0000000000000000 R09: 0000000000000000
[    2.766339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.766380] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda9f3020
| [    2.766468] ------------[ cut here ]------------
| [    2.766497] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/257
| [    2.766548] Modules linked in: ipvtap ipvlan
| [    2.766627] Tainted: [W]=WARN
[    2.766653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.766694] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.766725] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.766818] RSP: 0018:ff75ca83c04cf870 EFLAGS: 00010286
[    2.766847] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.766891] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.766935] RBP: 0000000000000000 R08: ff3addb94191b290 R09: ff3addb94770b030
[    2.766978] R10: ff3addb9476f4120 R11: fefefefefefefeff R12: 0000000000000000
[    2.767024] R13: 0000000000000010 R14: ff3addb9476f4000 R15: ff3addb941df5500
[    2.767066] FS:  00007f42d2cc3840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.767109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.767136] CR2: 0000000000445730 CR3: 000000000a0a7003 CR4: 0000000000771ef0
[    2.767178] PKRU: 55555554
[    2.767193] Call Trace:
[    2.767207]  <TASK>
[    2.767221]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.767242]  __dev_notify_flags (net/core/dev.c:9787)
[    2.767265]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.767288]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.767312]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.767340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.767361]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.767389]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.767420]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.767448]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.767470]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.767492]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.767515]  ___sys_sendmsg (net/socket.c:2752)
[    2.767539]  __sys_sendmsg (net/socket.c:2784)
[    2.767562]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.767586]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.767614] RIP: 0033:0x7f42d2efd08e
[    2.767635] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.767726] RSP: 002b:00007ffcda9f28b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.767769] RAX: ffffffffffffffda RBX: 00007ffcda9f3068 RCX: 00007f42d2efd08e
[    2.767810] RDX: 0000000000000000 RSI: 00007ffcda9f2960 RDI: 0000000000000005
[    2.767852] RBP: 00007ffcda9f28c0 R08: 0000000000000000 R09: 0000000000000000
[    2.767895] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.767945] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcda9f3020
| [    2.773090] ------------[ cut here ]------------
| [    2.773156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/259
| [    2.773241] Modules linked in: ipvtap ipvlan
| [    2.773397] Tainted: [W]=WARN
[    2.773451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.773521] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.773583] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.773711] RSP: 0018:ff75ca83c04d7cb8 EFLAGS: 00010286
[    2.773773] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.773848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[    2.773930] RBP: 0000000000000000 R08: ff3addb943379fd0 R09: ff3addb94a10a02c
[    2.774013] R10: ff3addb94770d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.774088] R13: 0000000000000010 R14: ff3addb94770d000 R15: ff3addb941914000
[    2.774166] FS:  00007f8d33bcb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.774244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.774313] CR2: 00007f8d33dccc20 CR3: 00000000077d1001 CR4: 0000000000771ef0
[    2.774390] PKRU: 55555554
[    2.774438] Call Trace:
[    2.774486]  <TASK>
[    2.774534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.774591]  register_netdevice (net/core/dev.c:11488)
[    2.774648]  register_netdev (net/core/dev.c:11552)
[    2.774704]  loopback_net_init (drivers/net/loopback.c:218)
[    2.774762]  ops_init (net/core/net_namespace.c:137)
[    2.774819]  setup_net (net/core/net_namespace.c:446)
[    2.774876]  copy_net_ns (net/core/net_namespace.c:579)
[    2.774939]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.775008]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.775072]  ksys_unshare (kernel/fork.c:3243)
[    2.775129]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.775185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.775242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.775305] RIP: 0033:0x7f8d33e8dbcb
[    2.775362] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.775491] RSP: 002b:00007ffe05dec838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.775568] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8d33e8dbcb
[    2.775645] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.775720] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.775795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe05deea60
[    2.775871] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe05df08b9
| [    2.776163] ------------[ cut here ]------------
| [    2.776225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/259
| [    2.776309] Modules linked in: ipvtap ipvlan
| [    2.776463] Tainted: [W]=WARN
[    2.776518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.776586] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.776650] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.776777] RSP: 0018:ff75ca83c04d7c10 EFLAGS: 00010286
[    2.776839] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.776914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.777005] RBP: 0000000000000000 R08: ff3addb943379d90 R09: ff3addb94a114830
[    2.777080] R10: ff3addb94a10a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.777155] R13: 0000000000000010 R14: ff3addb94a10a000 R15: ff3addb942061100
[    2.777234] FS:  00007f8d33bcb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.777339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.777410] CR2: 00007f8d33dccc20 CR3: 00000000077d1001 CR4: 0000000000771ef0
[    2.777487] PKRU: 55555554
[    2.777535] Call Trace:
[    2.777583]  <TASK>
[    2.777631]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.777693]  register_netdevice (net/core/dev.c:11488)
[    2.777752]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.777814]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.777874]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.777942]  ops_init (net/core/net_namespace.c:137)
[    2.778007]  setup_net (net/core/net_namespace.c:446)
[    2.778067]  copy_net_ns (net/core/net_namespace.c:579)
[    2.778123]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.778193]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.778256]  ksys_unshare (kernel/fork.c:3243)
[    2.778313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.778368]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.778426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.778489] RIP: 0033:0x7f8d33e8dbcb
[    2.778544] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.778673] RSP: 002b:00007ffe05dec838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.778749] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8d33e8dbcb
[    2.778825] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.778899] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.778980] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe05deea60
[    2.779062] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe05df08b9
| [    2.779298] ------------[ cut here ]------------
| [    2.779363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/259
| [    2.779449] Modules linked in: ipvtap ipvlan
| [    2.779602] Tainted: [W]=WARN
[    2.779661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.779734] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.779802] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.779943] RSP: 0018:ff75ca83c04d7bf0 EFLAGS: 00010286
[    2.780012] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.780088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    2.780162] RBP: 0000000000000000 R08: ff3addb943379ed0 R09: ff3addb94a112830
[    2.780237] R10: ff3addb94a109120 R11: fefefefefefefeff R12: 0000000000000000
[    2.780313] R13: 0000000000000010 R14: ff3addb94a109000 R15: ff3addb942062a00
[    2.780391] FS:  00007f8d33bcb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.780468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.780537] CR2: 00007f8d33dccc20 CR3: 00000000077d1001 CR4: 0000000000771ef0
[    2.780614] PKRU: 55555554
[    2.780662] Call Trace:
[    2.780710]  <TASK>
[    2.780758]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.780815]  register_netdevice (net/core/dev.c:11488)
[    2.780871]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.780935]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.780999]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.781057]  ops_init (net/core/net_namespace.c:137)
[    2.781114]  setup_net (net/core/net_namespace.c:446)
[    2.781171]  copy_net_ns (net/core/net_namespace.c:579)
[    2.781227]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.781290]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.781355]  ksys_unshare (kernel/fork.c:3243)
[    2.781411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.781467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.781521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.781584] RIP: 0033:0x7f8d33e8dbcb
[    2.781639] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.781766] RSP: 002b:00007ffe05dec838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.781842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8d33e8dbcb
[    2.781917] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.782006] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.782081] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe05deea60
[    2.782156] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe05df08b9
| [    2.782404] ------------[ cut here ]------------
| [    2.782466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/259
| [    2.782551] Modules linked in: ipvtap ipvlan
| [    2.782708] Tainted: [W]=WARN
[    2.782762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.782829] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.782893] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.783041] RSP: 0018:ff75ca83c04d7ca8 EFLAGS: 00010286
[    2.783104] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.783179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    2.783253] RBP: 0000000000000000 R08: ff3addb943379d50 R09: ff3addb94a10d034
[    2.783328] R10: ff3addb94a108120 R11: fefefefefefefeff R12: 0000000000000000
[    2.783404] R13: 0000000000000010 R14: ff3addb94a108000 R15: ff3addb941913f00
[    2.783482] FS:  00007f8d33bcb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.783559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.783627] CR2: 00007f8d33dccc20 CR3: 00000000077d1001 CR4: 0000000000771ef0
[    2.783705] PKRU: 55555554
[    2.783752] Call Trace:
[    2.783799]  <TASK>
[    2.783847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.783904]  register_netdevice (net/core/dev.c:11488)
[    2.783968]  register_netdev (net/core/dev.c:11552)
[    2.784027]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.784085]  ops_init (net/core/net_namespace.c:137)
[    2.784142]  setup_net (net/core/net_namespace.c:446)
[    2.784198]  copy_net_ns (net/core/net_namespace.c:579)
[    2.784255]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.784319]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.784381]  ksys_unshare (kernel/fork.c:3243)
[    2.784437]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.784493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.784550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.784612] RIP: 0033:0x7f8d33e8dbcb
[    2.784667] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.784796] RSP: 002b:00007ffe05dec838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.784872] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8d33e8dbcb
[    2.784952] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.785034] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.785107] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe05deea60
[    2.785186] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe05df08b9
| [    2.785477] ------------[ cut here ]------------
| [    2.785541] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/259
| [    2.785630] Modules linked in: ipvtap ipvlan
| [    2.785783] Tainted: [W]=WARN
[    2.785838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.785906] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.785979] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.786139] RSP: 0018:ff75ca83c04d7ca0 EFLAGS: 00010286
[    2.786201] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.786276] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913e00
[    2.786357] RBP: 0000000000000000 R08: ff3addb94317a090 R09: ff3addb94a122030
[    2.786433] R10: ff3addb94a10d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.786510] R13: 0000000000000010 R14: ff3addb94a10d000 R15: ff3addb941913e00
[    2.786589] FS:  00007f8d33bcb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.786666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.786736] CR2: 00007f8d33dccc20 CR3: 00000000077d1001 CR4: 0000000000771ef0
[    2.786812] PKRU: 55555554
[    2.786860] Call Trace:
[    2.786908]  <TASK>
[    2.786965]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.787028]  register_netdevice (net/core/dev.c:11488)
[    2.787084]  register_netdev (net/core/dev.c:11552)
[    2.787140]  sit_init_net (net/ipv6/sit.c:1860)
[    2.787196]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.787253]  ops_init (net/core/net_namespace.c:137)
[    2.787310]  setup_net (net/core/net_namespace.c:446)
[    2.787367]  copy_net_ns (net/core/net_namespace.c:579)
[    2.787424]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.787495]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.787557]  ksys_unshare (kernel/fork.c:3243)
[    2.787614]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.787674]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.787735]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.787802] RIP: 0033:0x7f8d33e8dbcb
[    2.787862] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.788014] RSP: 002b:00007ffe05dec838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.788098] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8d33e8dbcb
[    2.788174] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.788250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.788326] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe05deea60
[    2.788400] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe05df08b9
| [    2.788646] ------------[ cut here ]------------
| [    2.788708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/259
| [    2.788793] Modules linked in: ipvtap ipvlan
| [    2.788953] Tainted: [W]=WARN
[    2.789016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.789085] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.789147] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.789276] RSP: 0018:ff75ca83c04d7ca8 EFLAGS: 00010286
[    2.789342] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.789417] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.789492] RBP: 0000000000000000 R08: ff3addb943002890 R09: ff3addb94a127030
[    2.789567] R10: ff3addb94a122120 R11: fefefefefefefeff R12: 0000000000000000
[    2.789642] R13: 0000000000000010 R14: ff3addb94a122000 R15: ff3addb941913000
[    2.789721] FS:  00007f8d33bcb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.789798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.789865] CR2: 00007f8d33dccc20 CR3: 00000000077d1001 CR4: 0000000000771ef0
[    2.789948] PKRU: 55555554
[    2.790003] Call Trace:
[    2.790052]  <TASK>
[    2.790100]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.790156]  register_netdevice (net/core/dev.c:11488)
[    2.790213]  register_netdev (net/core/dev.c:11552)
[    2.790269]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.790326]  ops_init (net/core/net_namespace.c:137)
[    2.790382]  setup_net (net/core/net_namespace.c:446)
[    2.790439]  copy_net_ns (net/core/net_namespace.c:579)
[    2.790496]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.790559]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.790622]  ksys_unshare (kernel/fork.c:3243)
[    2.790678]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.790735]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.790792]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.790853] RIP: 0033:0x7f8d33e8dbcb
[    2.790909] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.791048] RSP: 002b:00007ffe05dec838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.791125] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8d33e8dbcb
[    2.791199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.791274] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.791347] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe05deea60
[    2.791422] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe05df08b9
| [    2.795049] ------------[ cut here ]------------
| [    2.795083] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/260
| [    2.795137] Modules linked in: ipvtap ipvlan
| [    2.795233] Tainted: [W]=WARN
[    2.795255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.795290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.795318] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.795413] RSP: 0018:ff75ca83c04df720 EFLAGS: 00010286
[    2.795440] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.795477] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5c00
[    2.795519] RBP: 0000000000000000 R08: ff3addb943379fd0 R09: ff3addb9477b002c
[    2.795556] R10: ff3addb94770d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.795600] R13: 0000000000000010 R14: ff3addb94770d000 R15: ff3addb941df5c00
[    2.795644] FS:  00007f7fb27bd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.795690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.795722] CR2: 0000000034ebe988 CR3: 00000000077ce002 CR4: 0000000000771ef0
[    2.795762] PKRU: 55555554
[    2.795775] Call Trace:
[    2.795789]  <TASK>
[    2.795803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.795825]  __dev_notify_flags (net/core/dev.c:9787)
[    2.795848]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.795869]  netif_change_flags (net/core/dev.c:9820)
[    2.795892]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.795912]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.795945]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.795969]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.795997]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.796027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.796050]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.796069]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.796100]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.796123]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.796145]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.796163]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.796186]  ___sys_sendmsg (net/socket.c:2752)
[    2.796209]  __sys_sendmsg (net/socket.c:2784)
[    2.796230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.796252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.796280] RIP: 0033:0x7f7fb29f708e
[    2.796301] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.796401] RSP: 002b:00007ffe7bc58a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.796441] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7fb29f708e
[    2.796475] RDX: 0000000000000000 RSI: 00007ffe7bc58b00 RDI: 0000000000000005
[    2.796519] RBP: 00007ffe7bc58a60 R08: 0000000000000000 R09: 0000000000000000
[    2.796560] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.796597] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7bc591d0
| [    2.811550] ------------[ cut here ]------------
| [    2.811614] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/263
| [    2.811703] Modules linked in: ipvtap ipvlan
| [    2.811860] Tainted: [W]=WARN
[    2.811915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.811999] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.812066] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.812193] RSP: 0018:ff75ca83c05af798 EFLAGS: 00010286
[    2.812255] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.812330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.812408] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a125034
[    2.812482] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.812556] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913000
[    2.812634] FS:  00007f47311ce840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.812712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.812782] CR2: 0000000000445730 CR3: 000000000769e001 CR4: 0000000000771ef0
[    2.812862] PKRU: 55555554
[    2.812910] Call Trace:
[    2.812965]  <TASK>
[    2.813019]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.813076]  notifier_call_chain (kernel/notifier.c:85)
[    2.813133]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.813197]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.813260] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.813324] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.813388]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.813446]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.813509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.813566]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.813629]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.813693]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.813751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.813808]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.813865]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.813929]  ___sys_sendmsg (net/socket.c:2752)
[    2.813994]  __sys_sendmsg (net/socket.c:2784)
[    2.814051]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.814108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.814170] RIP: 0033:0x7f473140808e
[    2.814226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.814352] RSP: 002b:00007fff51466d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.814427] RAX: ffffffffffffffda RBX: 00007fff51467548 RCX: 00007f473140808e
[    2.814503] RDX: 0000000000000000 RSI: 00007fff51466e40 RDI: 0000000000000005
[    2.814579] RBP: 00007fff51466da0 R08: 0000000000000000 R09: 0000000000000000
[    2.814655] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.814731] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff51467500
| [    2.814934] ------------[ cut here ]------------
| [    2.815001] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/263
| [    2.815084] Modules linked in: ipvtap ipvlan
| [    2.815239] Tainted: [W]=WARN
[    2.815293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.815365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.815427] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.815556] RSP: 0018:ff75ca83c05af870 EFLAGS: 00010286
[    2.815619] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.815696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.815771] RBP: 0000000000000000 R08: ff3addb94191ba50 R09: ff3addb94a125030
[    2.815847] R10: ff3addb94a102120 R11: fefefefefefefeff R12: 0000000000000000
[    2.815931] R13: 0000000000000010 R14: ff3addb94a102000 R15: ff3addb941913000
[    2.816018] FS:  00007f47311ce840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.816096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.816164] CR2: 0000000000445730 CR3: 000000000769e001 CR4: 0000000000771ef0
[    2.816242] PKRU: 55555554
[    2.816290] Call Trace:
[    2.816339]  <TASK>
[    2.816388]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.816444]  __dev_notify_flags (net/core/dev.c:9787)
[    2.816501]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.816558]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.816615]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.816679]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.816736]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.816799]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.816864]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.816928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.816993]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.817052]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.817109]  ___sys_sendmsg (net/socket.c:2752)
[    2.817166]  __sys_sendmsg (net/socket.c:2784)
[    2.817223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.817280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.817343] RIP: 0033:0x7f473140808e
[    2.817399] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.817530] RSP: 002b:00007fff51466d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.817612] RAX: ffffffffffffffda RBX: 00007fff51467548 RCX: 00007f473140808e
[    2.817692] RDX: 0000000000000000 RSI: 00007fff51466e40 RDI: 0000000000000005
[    2.817773] RBP: 00007fff51466da0 R08: 0000000000000000 R09: 0000000000000000
[    2.817854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.817951] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff51467500
| [    2.823292] ------------[ cut here ]------------
| [    2.823359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/265
| [    2.823452] Modules linked in: ipvtap ipvlan
| [    2.823606] Tainted: [W]=WARN
[    2.823661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.823729] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.823793] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.823928] RSP: 0018:ff75ca83c05bfcb8 EFLAGS: 00010286
[    2.823998] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.824075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.824151] RBP: 0000000000000000 R08: ff3addb9444fec90 R09: ff3addb94a18b02c
[    2.824225] R10: ff3addb94a176120 R11: fefefefefefefeff R12: 0000000000000000
[    2.824300] R13: 0000000000000010 R14: ff3addb94a176000 R15: ff3addb941913000
[    2.824380] FS:  00007feeea14c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.824457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.824526] CR2: 00007feeea34dc20 CR3: 000000000769e004 CR4: 0000000000771ef0
[    2.824602] PKRU: 55555554
[    2.824650] Call Trace:
[    2.824698]  <TASK>
[    2.824747]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.824803]  register_netdevice (net/core/dev.c:11488)
[    2.824859]  register_netdev (net/core/dev.c:11552)
[    2.824916]  loopback_net_init (drivers/net/loopback.c:218)
[    2.824982]  ops_init (net/core/net_namespace.c:137)
[    2.825048]  setup_net (net/core/net_namespace.c:446)
[    2.825105]  copy_net_ns (net/core/net_namespace.c:579)
[    2.825162]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.825226]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.825289]  ksys_unshare (kernel/fork.c:3243)
[    2.825348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.825404]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.825461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.825524] RIP: 0033:0x7feeea40ebcb
[    2.825579] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.825706] RSP: 002b:00007ffce4888648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.825782] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007feeea40ebcb
[    2.825858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.825950] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.826033] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce488a870
[    2.826109] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce488c8b8
| [    2.826345] ------------[ cut here ]------------
| [    2.826407] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/265
| [    2.826491] Modules linked in: ipvtap ipvlan
| [    2.826642] Tainted: [W]=WARN
[    2.826696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.826764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.826826] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.826960] RSP: 0018:ff75ca83c05bfc10 EFLAGS: 00010286
[    2.827026] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.827102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.827177] RBP: 0000000000000000 R08: ff3addb943173810 R09: ff3addb94a180030
[    2.827252] R10: ff3addb94a18b120 R11: fefefefefefefeff R12: 0000000000000000
[    2.827326] R13: 0000000000000010 R14: ff3addb94a18b000 R15: ff3addb942060100
[    2.827403] FS:  00007feeea14c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.827481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.827551] CR2: 00007feeea34dc20 CR3: 000000000769e004 CR4: 0000000000771ef0
[    2.827627] PKRU: 55555554
[    2.827675] Call Trace:
[    2.827723]  <TASK>
[    2.827772]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.827829]  register_netdevice (net/core/dev.c:11488)
[    2.827885]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.827950]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.828013]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.828075]  ops_init (net/core/net_namespace.c:137)
[    2.828132]  setup_net (net/core/net_namespace.c:446)
[    2.828189]  copy_net_ns (net/core/net_namespace.c:579)
[    2.828245]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.828308]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.828372]  ksys_unshare (kernel/fork.c:3243)
[    2.828428]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.828484]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.828541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.828603] RIP: 0033:0x7feeea40ebcb
[    2.828659] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.828789] RSP: 002b:00007ffce4888648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.828866] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007feeea40ebcb
[    2.828947] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.829027] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.829102] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce488a870
[    2.829177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce488c8b8
| [    2.829457] ------------[ cut here ]------------
| [    2.829520] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/265
| [    2.829606] Modules linked in: ipvtap ipvlan
| [    2.829760] Tainted: [W]=WARN
[    2.829814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.829883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.829953] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.830087] RSP: 0018:ff75ca83c05bfbf0 EFLAGS: 00010286
[    2.830151] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.830225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    2.830299] RBP: 0000000000000000 R08: ff3addb943396c50 R09: ff3addb94a192830
[    2.830376] R10: ff3addb94a18a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.830450] R13: 0000000000000010 R14: ff3addb94a18a000 R15: ff3addb941914300
[    2.830529] FS:  00007feeea14c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.830608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.830676] CR2: 00007feeea34dc20 CR3: 000000000769e004 CR4: 0000000000771ef0
[    2.830752] PKRU: 55555554
[    2.830800] Call Trace:
[    2.830848]  <TASK>
[    2.830896]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.830961]  register_netdevice (net/core/dev.c:11488)
[    2.831025]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.831082]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.831140]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.831197]  ops_init (net/core/net_namespace.c:137)
[    2.831253]  setup_net (net/core/net_namespace.c:446)
[    2.831310]  copy_net_ns (net/core/net_namespace.c:579)
[    2.831367]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.831429]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.831495]  ksys_unshare (kernel/fork.c:3243)
[    2.831552]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.831608]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.831664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.831726] RIP: 0033:0x7feeea40ebcb
[    2.831781] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.831910] RSP: 002b:00007ffce4888648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.831998] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007feeea40ebcb
[    2.832074] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.832154] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.832229] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce488a870
[    2.832304] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce488c8b8
| [    2.832549] ------------[ cut here ]------------
| [    2.832613] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/265
| [    2.832696] Modules linked in: ipvtap ipvlan
| [    2.832850] Tainted: [W]=WARN
[    2.832903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.832977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.833045] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.833173] RSP: 0018:ff75ca83c05bfca8 EFLAGS: 00010286
[    2.833235] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.833311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913d00
[    2.833386] RBP: 0000000000000000 R08: ff3addb94194e150 R09: ff3addb94a18e034
[    2.833460] R10: ff3addb94a189120 R11: fefefefefefefeff R12: 0000000000000000
[    2.833535] R13: 0000000000000010 R14: ff3addb94a189000 R15: ff3addb941913d00
[    2.833613] FS:  00007feeea14c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.833691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.833759] CR2: 00007feeea34dc20 CR3: 000000000769e004 CR4: 0000000000771ef0
[    2.833836] PKRU: 55555554
[    2.833884] Call Trace:
[    2.833937]  <TASK>
[    2.833993]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.834050]  register_netdevice (net/core/dev.c:11488)
[    2.834106]  register_netdev (net/core/dev.c:11552)
[    2.834162]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.834220]  ops_init (net/core/net_namespace.c:137)
[    2.834276]  setup_net (net/core/net_namespace.c:446)
[    2.834334]  copy_net_ns (net/core/net_namespace.c:579)
[    2.834390]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.834453]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.834517]  ksys_unshare (kernel/fork.c:3243)
[    2.834573]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.834628]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.834686]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.834748] RIP: 0033:0x7feeea40ebcb
[    2.834804] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.834943] RSP: 002b:00007ffce4888648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.835026] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007feeea40ebcb
[    2.835101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.835176] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.835250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce488a870
[    2.835326] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce488c8b8
| [    2.835612] ------------[ cut here ]------------
| [    2.835673] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/265
| [    2.835756] Modules linked in: ipvtap ipvlan
| [    2.835911] Tainted: [W]=WARN
[    2.835970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.836046] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.836109] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.836242] RSP: 0018:ff75ca83c05bfca0 EFLAGS: 00010286
[    2.836304] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.836380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.836460] RBP: 0000000000000000 R08: ff3addb943196010 R09: ff3addb94a1a3030
[    2.836534] R10: ff3addb94a18e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.836612] R13: 0000000000000010 R14: ff3addb94a18e000 R15: ff3addb942061100
[    2.836697] FS:  00007feeea14c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.836780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.836853] CR2: 00007feeea34dc20 CR3: 000000000769e004 CR4: 0000000000771ef0
[    2.836941] PKRU: 55555554
[    2.836999] Call Trace:
[    2.837051]  <TASK>
[    2.837101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.837158]  register_netdevice (net/core/dev.c:11488)
[    2.837214]  register_netdev (net/core/dev.c:11552)
[    2.837270]  sit_init_net (net/ipv6/sit.c:1860)
[    2.837327]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.837384]  ops_init (net/core/net_namespace.c:137)
[    2.837441]  setup_net (net/core/net_namespace.c:446)
[    2.837499]  copy_net_ns (net/core/net_namespace.c:579)
[    2.837555]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.837618]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.837681]  ksys_unshare (kernel/fork.c:3243)
[    2.837737]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.837794]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.837850]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.837913] RIP: 0033:0x7feeea40ebcb
[    2.837975] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.838108] RSP: 002b:00007ffce4888648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.838185] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007feeea40ebcb
[    2.838260] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.838337] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.838412] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce488a870
[    2.838487] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce488c8b8
| [    2.838730] ------------[ cut here ]------------
| [    2.838793] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/265
| [    2.838877] Modules linked in: ipvtap ipvlan
| [    2.839047] Tainted: [W]=WARN
[    2.839102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.839170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.839233] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.839360] RSP: 0018:ff75ca83c05bfca8 EFLAGS: 00010286
[    2.839423] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.839497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.839572] RBP: 0000000000000000 R08: ff3addb94194ebd0 R09: ff3addb94a1a0030
[    2.839648] R10: ff3addb94a1a3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.839722] R13: 0000000000000010 R14: ff3addb94a1a3000 R15: ff3addb942061100
[    2.839800] FS:  00007feeea14c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.839877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.839952] CR2: 00007feeea34dc20 CR3: 000000000769e004 CR4: 0000000000771ef0
[    2.840034] PKRU: 55555554
[    2.840082] Call Trace:
[    2.840130]  <TASK>
[    2.840178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.840234]  register_netdevice (net/core/dev.c:11488)
[    2.840291]  register_netdev (net/core/dev.c:11552)
[    2.840348]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.840405]  ops_init (net/core/net_namespace.c:137)
[    2.840462]  setup_net (net/core/net_namespace.c:446)
[    2.840519]  copy_net_ns (net/core/net_namespace.c:579)
[    2.840575]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.840640]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.840703]  ksys_unshare (kernel/fork.c:3243)
[    2.840760]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.840816]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.840873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.840941] RIP: 0033:0x7feeea40ebcb
[    2.841004] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.841132] RSP: 002b:00007ffce4888648 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.841208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007feeea40ebcb
[    2.841284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.841362] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.841437] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce488a870
[    2.841514] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce488c8b8
| [    2.844983] ------------[ cut here ]------------
| [    2.845021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/266
| [    2.845081] Modules linked in: ipvtap ipvlan
| [    2.845169] Tainted: [W]=WARN
[    2.845191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.845226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.845256] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.845347] RSP: 0018:ff75ca83c05c7720 EFLAGS: 00010286
[    2.845376] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.845417] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.845456] RBP: 0000000000000000 R08: ff3addb9444fec90 R09: ff3addb9477b002c
[    2.845495] R10: ff3addb94a176120 R11: fefefefefefefeff R12: 0000000000000000
[    2.845535] R13: 0000000000000010 R14: ff3addb94a176000 R15: ff3addb943040100
[    2.845578] FS:  00007fed66be4840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.845622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.845656] CR2: 000000002e7d7988 CR3: 000000000a0b4004 CR4: 0000000000771ef0
[    2.845696] PKRU: 55555554
[    2.845709] Call Trace:
[    2.845720]  <TASK>
[    2.845735]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.845753]  __dev_notify_flags (net/core/dev.c:9787)
[    2.845775]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.845795]  netif_change_flags (net/core/dev.c:9820)
[    2.845818]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.845841]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.845872]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.845894]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.845924]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.845952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.845977]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.846006]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.846039]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.846064]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.846083]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.846103]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.846124]  ___sys_sendmsg (net/socket.c:2752)
[    2.846148]  __sys_sendmsg (net/socket.c:2784)
[    2.846170]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.846193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.846221] RIP: 0033:0x7fed66e1e08e
[    2.846242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.846335] RSP: 002b:00007ffd08ee0920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.846375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fed66e1e08e
[    2.846415] RDX: 0000000000000000 RSI: 00007ffd08ee09d0 RDI: 0000000000000005
[    2.846457] RBP: 00007ffd08ee0930 R08: 0000000000000000 R09: 0000000000000000
[    2.846495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.846535] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd08ee10a0
| [    2.860631] ------------[ cut here ]------------
| [    2.860678] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/269
| [    2.860729] Modules linked in: ipvtap ipvlan
| [    2.860819] Tainted: [W]=WARN
[    2.860844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.860875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.860904] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.861014] RSP: 0018:ff75ca83c05df798 EFLAGS: 00010286
[    2.861041] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.861076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.861112] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb947709034
[    2.861158] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.861195] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5500
[    2.861236] FS:  00007f2c752fb840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.861281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.861312] CR2: 0000000000445730 CR3: 000000000a1f5001 CR4: 0000000000771ef0
[    2.861350] PKRU: 55555554
[    2.861365] Call Trace:
[    2.861379]  <TASK>
[    2.861394]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.861416]  notifier_call_chain (kernel/notifier.c:85)
[    2.861438]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.861464]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.861494] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.861524] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.861551]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.861573]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.861601]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.861621]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.861650]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.861678]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.861701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.861721]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.861741]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.861763]  ___sys_sendmsg (net/socket.c:2752)
[    2.861788]  __sys_sendmsg (net/socket.c:2784)
[    2.861808]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.861828]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.861853] RIP: 0033:0x7f2c7553508e
[    2.861872] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.861968] RSP: 002b:00007ffe0728e1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.862014] RAX: ffffffffffffffda RBX: 00007ffe0728e968 RCX: 00007f2c7553508e
[    2.862052] RDX: 0000000000000000 RSI: 00007ffe0728e260 RDI: 0000000000000005
[    2.862093] RBP: 00007ffe0728e1c0 R08: 0000000000000000 R09: 0000000000000000
[    2.862131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.862168] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0728e920
| [    2.862265] ------------[ cut here ]------------
| [    2.862296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/269
| [    2.862347] Modules linked in: ipvtap ipvlan
| [    2.862432] Tainted: [W]=WARN
[    2.862452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.862491] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.862521] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.862637] RSP: 0018:ff75ca83c05df870 EFLAGS: 00010286
[    2.862670] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.862717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.862767] RBP: 0000000000000000 R08: ff3addb944538d90 R09: ff3addb947709030
[    2.862806] R10: ff3addb9476f2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.862851] R13: 0000000000000010 R14: ff3addb9476f2000 R15: ff3addb941df5500
[    2.862898] FS:  00007f2c752fb840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.862946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.862982] CR2: 0000000000445730 CR3: 000000000a1f5001 CR4: 0000000000771ef0
[    2.863033] PKRU: 55555554
[    2.863049] Call Trace:
[    2.863066]  <TASK>
[    2.863080]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.863104]  __dev_notify_flags (net/core/dev.c:9787)
[    2.863125]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.863146]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.863167]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.863196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.863216]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.863246]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.863274]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.863296]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.863317]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.863338]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.863360]  ___sys_sendmsg (net/socket.c:2752)
[    2.863382]  __sys_sendmsg (net/socket.c:2784)
[    2.863402]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.863420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.863449] RIP: 0033:0x7f2c7553508e
[    2.863470] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.863556] RSP: 002b:00007ffe0728e1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.863599] RAX: ffffffffffffffda RBX: 00007ffe0728e968 RCX: 00007f2c7553508e
[    2.863639] RDX: 0000000000000000 RSI: 00007ffe0728e260 RDI: 0000000000000005
[    2.863672] RBP: 00007ffe0728e1c0 R08: 0000000000000000 R09: 0000000000000000
[    2.863712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.863757] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0728e920
| [    2.869046] ------------[ cut here ]------------
| [    2.869088] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/271
| [    2.869137] Modules linked in: ipvtap ipvlan
| [    2.869225] Tainted: [W]=WARN
[    2.869245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.869283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.869307] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.869395] RSP: 0018:ff75ca83c05e7cb8 EFLAGS: 00010286
[    2.869420] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.869457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.869498] RBP: 0000000000000000 R08: ff3addb943196810 R09: ff3addb94a26602c
[    2.869531] R10: ff3addb94a261120 R11: fefefefefefefeff R12: 0000000000000000
[    2.869570] R13: 0000000000000010 R14: ff3addb94a261000 R15: ff3addb943040100
[    2.869609] FS:  00007ff7e5a74840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.869643] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.869679] CR2: 00007ff7e5c80690 CR3: 00000000077f9003 CR4: 0000000000771ef0
[    2.869718] PKRU: 55555554
[    2.869731] Call Trace:
[    2.869747]  <TASK>
[    2.869759]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.869778]  register_netdevice (net/core/dev.c:11488)
[    2.869800]  register_netdev (net/core/dev.c:11552)
[    2.869818]  loopback_net_init (drivers/net/loopback.c:218)
[    2.869841]  ops_init (net/core/net_namespace.c:137)
[    2.869860]  setup_net (net/core/net_namespace.c:446)
[    2.869882]  copy_net_ns (net/core/net_namespace.c:579)
[    2.869903]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.869930]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.869957]  ksys_unshare (kernel/fork.c:3243)
[    2.869978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.870002]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.870024]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.870048] RIP: 0033:0x7ff7e5d36bcb
[    2.870066] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.870153] RSP: 002b:00007ffd752e9428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.870190] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7e5d36bcb
[    2.870229] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.870270] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.870309] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd752eb650
[    2.870349] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd752ec8b8
| [    2.870459] ------------[ cut here ]------------
| [    2.870488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/271
| [    2.870538] Modules linked in: ipvtap ipvlan
| [    2.870625] Tainted: [W]=WARN
[    2.870645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.870678] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.870707] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.870801] RSP: 0018:ff75ca83c05e7c10 EFLAGS: 00010286
[    2.870832] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.870873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062200
[    2.870911] RBP: 0000000000000000 R08: ff3addb943196a90 R09: ff3addb94a271030
[    2.870948] R10: ff3addb94a266120 R11: fefefefefefefeff R12: 0000000000000000
[    2.870992] R13: 0000000000000010 R14: ff3addb94a266000 R15: ff3addb942062200
[    2.871033] FS:  00007ff7e5a74840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.871077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.871111] CR2: 00007ff7e5c80690 CR3: 00000000077f9003 CR4: 0000000000771ef0
[    2.871146] PKRU: 55555554
[    2.871161] Call Trace:
[    2.871173]  <TASK>
[    2.871187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.871209]  register_netdevice (net/core/dev.c:11488)
[    2.871227]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.871249]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.871268]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.871290]  ops_init (net/core/net_namespace.c:137)
[    2.871310]  setup_net (net/core/net_namespace.c:446)
[    2.871332]  copy_net_ns (net/core/net_namespace.c:579)
[    2.871352]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.871379]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.871408]  ksys_unshare (kernel/fork.c:3243)
[    2.871428]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.871455]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.871473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.871502] RIP: 0033:0x7ff7e5d36bcb
[    2.871524] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.871618] RSP: 002b:00007ffd752e9428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.871659] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7e5d36bcb
[    2.871699] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.871739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.871781] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd752eb650
[    2.871822] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd752ec8b8
| [    2.871939] ------------[ cut here ]------------
| [    2.871965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/271
| [    2.872068] Modules linked in: ipvtap ipvlan
| [    2.872146] Tainted: [W]=WARN
[    2.872163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.872196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.872221] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.872314] RSP: 0018:ff75ca83c05e7bf0 EFLAGS: 00010286
[    2.872341] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.872381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063900
[    2.872413] RBP: 0000000000000000 R08: ff3addb9418c1410 R09: ff3addb9477c7030
[    2.872451] R10: ff3addb94a265120 R11: fefefefefefefeff R12: 0000000000000000
[    2.872489] R13: 0000000000000010 R14: ff3addb94a265000 R15: ff3addb942063900
[    2.872528] FS:  00007ff7e5a74840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.872572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.872600] CR2: 00007ff7e5c80690 CR3: 00000000077f9003 CR4: 0000000000771ef0
[    2.872641] PKRU: 55555554
[    2.872656] Call Trace:
[    2.872669]  <TASK>
[    2.872681]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.872701]  register_netdevice (net/core/dev.c:11488)
[    2.872721]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.872741]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.872764]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.872786]  ops_init (net/core/net_namespace.c:137)
[    2.872806]  setup_net (net/core/net_namespace.c:446)
[    2.872827]  copy_net_ns (net/core/net_namespace.c:579)
[    2.872847]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.872874]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.872898]  ksys_unshare (kernel/fork.c:3243)
[    2.872918]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.872944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.872966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.872998] RIP: 0033:0x7ff7e5d36bcb
[    2.873018] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.873110] RSP: 002b:00007ffd752e9428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.873151] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7e5d36bcb
[    2.873192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.873234] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.873278] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd752eb650
[    2.873320] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd752ec8b8
| [    2.873468] ------------[ cut here ]------------
| [    2.873495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/271
| [    2.873537] Modules linked in: ipvtap ipvlan
| [    2.873617] Tainted: [W]=WARN
[    2.873636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.873667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.873696] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.873786] RSP: 0018:ff75ca83c05e7ca8 EFLAGS: 00010286
[    2.873812] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.873854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063000
[    2.873894] RBP: 0000000000000000 R08: ff3addb9418c1310 R09: ff3addb94a279034
[    2.873941] R10: ff3addb94a264120 R11: fefefefefefefeff R12: 0000000000000000
[    2.873977] R13: 0000000000000010 R14: ff3addb94a264000 R15: ff3addb942063000
[    2.874027] FS:  00007ff7e5a74840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.874069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.874099] CR2: 00007ff7e5c80690 CR3: 00000000077f9003 CR4: 0000000000771ef0
[    2.874140] PKRU: 55555554
[    2.874153] Call Trace:
[    2.874165]  <TASK>
[    2.874180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.874200]  register_netdevice (net/core/dev.c:11488)
[    2.874222]  register_netdev (net/core/dev.c:11552)
[    2.874243]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.874265]  ops_init (net/core/net_namespace.c:137)
[    2.874285]  setup_net (net/core/net_namespace.c:446)
[    2.874306]  copy_net_ns (net/core/net_namespace.c:579)
[    2.874326]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.874354]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.874380]  ksys_unshare (kernel/fork.c:3243)
[    2.874404]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.874423]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.874445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.874472] RIP: 0033:0x7ff7e5d36bcb
[    2.874491] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.874588] RSP: 002b:00007ffd752e9428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.874631] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7e5d36bcb
[    2.874673] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.874713] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.874754] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd752eb650
[    2.874792] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd752ec8b8
| [    2.874905] ------------[ cut here ]------------
| [    2.874936] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/271
| [    2.874983] Modules linked in: ipvtap ipvlan
| [    2.875076] Tainted: [W]=WARN
[    2.875094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.875121] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.875148] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.875240] RSP: 0018:ff75ca83c05e7ca0 EFLAGS: 00010286
[    2.875268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.875307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    2.875349] RBP: 0000000000000000 R08: ff3addb94451f090 R09: ff3addb94a27e030
[    2.875386] R10: ff3addb94a279120 R11: fefefefefefefeff R12: 0000000000000000
[    2.875431] R13: 0000000000000010 R14: ff3addb94a279000 R15: ff3addb943040100
[    2.875475] FS:  00007ff7e5a74840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.875519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.875551] CR2: 00007ff7e5c80690 CR3: 00000000077f9003 CR4: 0000000000771ef0
[    2.875588] PKRU: 55555554
[    2.875603] Call Trace:
[    2.875618]  <TASK>
[    2.875631]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.875650]  register_netdevice (net/core/dev.c:11488)
[    2.875671]  register_netdev (net/core/dev.c:11552)
[    2.875692]  sit_init_net (net/ipv6/sit.c:1860)
[    2.875713]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.875735]  ops_init (net/core/net_namespace.c:137)
[    2.875756]  setup_net (net/core/net_namespace.c:446)
[    2.875776]  copy_net_ns (net/core/net_namespace.c:579)
[    2.875797]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.875826]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.875853]  ksys_unshare (kernel/fork.c:3243)
[    2.875873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.875895]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.875915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.875943] RIP: 0033:0x7ff7e5d36bcb
[    2.875964] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.876060] RSP: 002b:00007ffd752e9428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.876102] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7e5d36bcb
[    2.876138] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.876180] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.876221] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd752eb650
[    2.876259] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd752ec8b8
| [    2.876525] ------------[ cut here ]------------
| [    2.876553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/271
| [    2.876600] Modules linked in: ipvtap ipvlan
| [    2.876680] Tainted: [W]=WARN
[    2.876698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.876731] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.876758] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.876845] RSP: 0018:ff75ca83c05e7ca8 EFLAGS: 00010286
[    2.876873] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.876913] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5800
[    2.876955] RBP: 0000000000000000 R08: ff3addb94194be90 R09: ff3addb94a28b030
[    2.876999] R10: ff3addb94a27e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.877039] R13: 0000000000000010 R14: ff3addb94a27e000 R15: ff3addb941df5800
[    2.877079] FS:  00007ff7e5a74840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.877120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.877154] CR2: 00007ff7e5c80690 CR3: 00000000077f9003 CR4: 0000000000771ef0
[    2.877194] PKRU: 55555554
[    2.877207] Call Trace:
[    2.877218]  <TASK>
[    2.877228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.877249]  register_netdevice (net/core/dev.c:11488)
[    2.877270]  register_netdev (net/core/dev.c:11552)
[    2.877290]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.877308]  ops_init (net/core/net_namespace.c:137)
[    2.877327]  setup_net (net/core/net_namespace.c:446)
[    2.877347]  copy_net_ns (net/core/net_namespace.c:579)
[    2.877369]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.877391]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.877417]  ksys_unshare (kernel/fork.c:3243)
[    2.877435]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.877456]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.877475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.877501] RIP: 0033:0x7ff7e5d36bcb
[    2.877521] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.877610] RSP: 002b:00007ffd752e9428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.877657] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff7e5d36bcb
[    2.877696] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.877737] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.877778] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd752eb650
[    2.877818] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd752ec8b8
| [    2.881188] ------------[ cut here ]------------
| [    2.881257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/272
| [    2.881345] Modules linked in: ipvtap ipvlan
| [    2.881505] Tainted: [W]=WARN
[    2.881559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.881626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.881690] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.881823] RSP: 0018:ff75ca83c05ef720 EFLAGS: 00010286
[    2.881887] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.881970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    2.882056] RBP: 0000000000000000 R08: ff3addb943196810 R09: ff3addb94a1a002c
[    2.882131] R10: ff3addb94a261120 R11: fefefefefefefeff R12: 0000000000000000
[    2.882205] R13: 0000000000000010 R14: ff3addb94a261000 R15: ff3addb941913f00
[    2.882283] FS:  00007f1cb2f24840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.882361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.882429] CR2: 0000000007f26988 CR3: 00000000077fd006 CR4: 0000000000771ef0
[    2.882506] PKRU: 55555554
[    2.882554] Call Trace:
[    2.882602]  <TASK>
[    2.882650]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.882707]  __dev_notify_flags (net/core/dev.c:9787)
[    2.882763]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.882819]  netif_change_flags (net/core/dev.c:9820)
[    2.882876]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.882942]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.883016]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.883074]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.883131]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.883196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.883253]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.883309]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.883372]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.883436]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.883498]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.883562]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.883624]  ___sys_sendmsg (net/socket.c:2752)
[    2.883693]  __sys_sendmsg (net/socket.c:2784)
[    2.883756]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.883815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.883882] RIP: 0033:0x7f1cb315e08e
[    2.883945] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.884079] RSP: 002b:00007fff4ae61b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.884156] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1cb315e08e
[    2.884231] RDX: 0000000000000000 RSI: 00007fff4ae61c10 RDI: 0000000000000005
[    2.884307] RBP: 00007fff4ae61b70 R08: 0000000000000000 R09: 0000000000000000
[    2.884384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.884457] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4ae622e0
| [    2.898445] ------------[ cut here ]------------
| [    2.898521] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/275
| [    2.898612] Modules linked in: ipvtap ipvlan
| [    2.898769] Tainted: [W]=WARN
[    2.898824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.898894] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.898965] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.899101] RSP: 0018:ff75ca83c0607798 EFLAGS: 00010286
[    2.899166] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.899243] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.899321] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a1a6034
[    2.899399] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.899477] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913000
[    2.899559] FS:  00007f9257cc2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.899638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.899707] CR2: 0000000000445730 CR3: 000000000a203006 CR4: 0000000000771ef0
[    2.899786] PKRU: 55555554
[    2.899834] Call Trace:
[    2.899882]  <TASK>
[    2.899936]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.899999]  notifier_call_chain (kernel/notifier.c:85)
[    2.900056]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.900121]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.900185] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.900250] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.900316]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.900378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.900442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.900498]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.900564]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.900627]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.900683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.900740]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.900797]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.900855]  ___sys_sendmsg (net/socket.c:2752)
[    2.900912]  __sys_sendmsg (net/socket.c:2784)
[    2.900974]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.901035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.901098] RIP: 0033:0x7f9257efc08e
[    2.901152] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.901283] RSP: 002b:00007ffd5546ba80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.901358] RAX: ffffffffffffffda RBX: 00007ffd5546c238 RCX: 00007f9257efc08e
[    2.901436] RDX: 0000000000000000 RSI: 00007ffd5546bb30 RDI: 0000000000000005
[    2.901514] RBP: 00007ffd5546ba90 R08: 0000000000000000 R09: 0000000000000000
[    2.901586] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.901664] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5546c1f0
| [    2.901859] ------------[ cut here ]------------
| [    2.901927] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/275
| [    2.902018] Modules linked in: ipvtap ipvlan
| [    2.902173] Tainted: [W]=WARN
[    2.902227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.902297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.902360] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.902495] RSP: 0018:ff75ca83c0607870 EFLAGS: 00010286
[    2.902556] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.902632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.902706] RBP: 0000000000000000 R08: ff3addb941229bd0 R09: ff3addb94a1a6030
[    2.902783] R10: ff3addb94a17a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.902861] R13: 0000000000000010 R14: ff3addb94a17a000 R15: ff3addb941913000
[    2.902947] FS:  00007f9257cc2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.903068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.903137] CR2: 0000000000445730 CR3: 000000000a203006 CR4: 0000000000771ef0
[    2.903214] PKRU: 55555554
[    2.903261] Call Trace:
[    2.903308]  <TASK>
[    2.903356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.903411]  __dev_notify_flags (net/core/dev.c:9787)
[    2.903467]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.903523]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.903580]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.903643]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.903700]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.903761]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.903823]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.903880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.903942]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.904006]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.904064]  ___sys_sendmsg (net/socket.c:2752)
[    2.904122]  __sys_sendmsg (net/socket.c:2784)
[    2.904178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.904234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.904296] RIP: 0033:0x7f9257efc08e
[    2.904351] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.904484] RSP: 002b:00007ffd5546ba80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.904560] RAX: ffffffffffffffda RBX: 00007ffd5546c238 RCX: 00007f9257efc08e
[    2.904637] RDX: 0000000000000000 RSI: 00007ffd5546bb30 RDI: 0000000000000005
[    2.904714] RBP: 00007ffd5546ba90 R08: 0000000000000000 R09: 0000000000000000
[    2.904791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0e
[    2.904864] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5546c1f0
| [    2.910069] ------------[ cut here ]------------
| [    2.910139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    2.910222] Modules linked in: ipvtap ipvlan
| [    2.910378] Tainted: [W]=WARN
[    2.910435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.910505] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.910567] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.910694] RSP: 0018:ff75ca83c0617cb8 EFLAGS: 00010286
[    2.910759] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.910833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.910911] RBP: 0000000000000000 R08: ff3addb94194b450 R09: ff3addb94a2b002c
[    2.911012] R10: ff3addb94a2b3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.911088] R13: 0000000000000010 R14: ff3addb94a2b3000 R15: ff3addb941913000
[    2.911170] FS:  00007f8b16983840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.911258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.911331] CR2: 00007f8b16b8a430 CR3: 000000000a1fe003 CR4: 0000000000771ef0
[    2.911411] PKRU: 55555554
[    2.911462] Call Trace:
[    2.911514]  <TASK>
[    2.911565]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.911627]  register_netdevice (net/core/dev.c:11488)
[    2.911687]  register_netdev (net/core/dev.c:11552)
[    2.911745]  loopback_net_init (drivers/net/loopback.c:218)
[    2.911807]  ops_init (net/core/net_namespace.c:137)
[    2.911867]  setup_net (net/core/net_namespace.c:446)
[    2.911936]  copy_net_ns (net/core/net_namespace.c:579)
[    2.912006]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.912074]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.912144]  ksys_unshare (kernel/fork.c:3243)
[    2.912202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.912261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.912323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.912390] RIP: 0033:0x7f8b16c45bcb
[    2.912448] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.912572] RSP: 002b:00007ffc0dda2608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.912648] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b16c45bcb
[    2.912724] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.912800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.912875] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0dda4830
[    2.912957] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0dda58b8
| [    2.913215] ------------[ cut here ]------------
| [    2.913279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    2.913363] Modules linked in: ipvtap ipvlan
| [    2.913520] Tainted: [W]=WARN
[    2.913579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.913650] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.913716] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.913837] RSP: 0018:ff75ca83c0617c10 EFLAGS: 00010286
[    2.913903] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.913997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.914072] RBP: 0000000000000000 R08: ff3addb9418c12d0 R09: ff3addb94a2b8030
[    2.914151] R10: ff3addb94a2b0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.914225] R13: 0000000000000010 R14: ff3addb94a2b0000 R15: ff3addb942060100
[    2.914304] FS:  00007f8b16983840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.914381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.914449] CR2: 00007f8b16b8a430 CR3: 000000000a1fe003 CR4: 0000000000771ef0
[    2.914523] PKRU: 55555554
[    2.914573] Call Trace:
[    2.914622]  <TASK>
[    2.914674]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.914736]  register_netdevice (net/core/dev.c:11488)
[    2.914797]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.914859]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.914930]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.915000]  ops_init (net/core/net_namespace.c:137)
[    2.915060]  setup_net (net/core/net_namespace.c:446)
[    2.915117]  copy_net_ns (net/core/net_namespace.c:579)
[    2.915174]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.915237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.915306]  ksys_unshare (kernel/fork.c:3243)
[    2.915365]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.915424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.915484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.915548] RIP: 0033:0x7f8b16c45bcb
[    2.915605] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.915730] RSP: 002b:00007ffc0dda2608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.915806] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b16c45bcb
[    2.915883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.915972] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.916056] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0dda4830
[    2.916132] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0dda58b8
| [    2.916372] ------------[ cut here ]------------
| [    2.916435] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    2.916519] Modules linked in: ipvtap ipvlan
| [    2.916674] Tainted: [W]=WARN
[    2.916730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.916799] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.916863] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.916996] RSP: 0018:ff75ca83c0617bf0 EFLAGS: 00010286
[    2.917062] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.917139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    2.917216] RBP: 0000000000000000 R08: ff3addb9418c1150 R09: ff3addb94a2a6030
[    2.917293] R10: ff3addb94a2b7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.917370] R13: 0000000000000010 R14: ff3addb94a2b7000 R15: ff3addb941914300
[    2.917450] FS:  00007f8b16983840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.917529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.917597] CR2: 00007f8b16b8a430 CR3: 000000000a1fe003 CR4: 0000000000771ef0
[    2.917674] PKRU: 55555554
[    2.917724] Call Trace:
[    2.917775]  <TASK>
[    2.917826]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.917885]  register_netdevice (net/core/dev.c:11488)
[    2.917952]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.918017]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.918077]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.918136]  ops_init (net/core/net_namespace.c:137)
[    2.918196]  setup_net (net/core/net_namespace.c:446)
[    2.918255]  copy_net_ns (net/core/net_namespace.c:579)
[    2.918314]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.918379]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.918444]  ksys_unshare (kernel/fork.c:3243)
[    2.918503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.918566]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.918625]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.918694] RIP: 0033:0x7f8b16c45bcb
[    2.918753] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.918880] RSP: 002b:00007ffc0dda2608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.918964] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b16c45bcb
[    2.919045] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.919121] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.919198] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0dda4830
[    2.919272] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0dda58b8
| [    2.919569] ------------[ cut here ]------------
| [    2.919631] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    2.919717] Modules linked in: ipvtap ipvlan
| [    2.919872] Tainted: [W]=WARN
[    2.919937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.920012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.920079] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.920197] RSP: 0018:ff75ca83c0617ca8 EFLAGS: 00010286
[    2.920260] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.920334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913b00
[    2.920409] RBP: 0000000000000000 R08: ff3addb94194ee90 R09: ff3addb94a2c3034
[    2.920484] R10: ff3addb94a2b6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.920562] R13: 0000000000000010 R14: ff3addb94a2b6000 R15: ff3addb941913b00
[    2.920643] FS:  00007f8b16983840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.920722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.920795] CR2: 00007f8b16b8a430 CR3: 000000000a1fe003 CR4: 0000000000771ef0
[    2.920869] PKRU: 55555554
[    2.920928] Call Trace:
[    2.920981]  <TASK>
[    2.921040]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.921100]  register_netdevice (net/core/dev.c:11488)
[    2.921159]  register_netdev (net/core/dev.c:11552)
[    2.921221]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.921284]  ops_init (net/core/net_namespace.c:137)
[    2.921345]  setup_net (net/core/net_namespace.c:446)
[    2.921408]  copy_net_ns (net/core/net_namespace.c:579)
[    2.921467]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.921535]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.921603]  ksys_unshare (kernel/fork.c:3243)
[    2.921666]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.921725]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.921788]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.921856] RIP: 0033:0x7f8b16c45bcb
[    2.921913] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.922055] RSP: 002b:00007ffc0dda2608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.922131] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b16c45bcb
[    2.922205] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.922281] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.922354] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0dda4830
[    2.922440] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0dda58b8
| [    2.922693] ------------[ cut here ]------------
| [    2.922757] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    2.922839] Modules linked in: ipvtap ipvlan
| [    2.923007] Tainted: [W]=WARN
[    2.923067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.923140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.923204] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.923328] RSP: 0018:ff75ca83c0617ca0 EFLAGS: 00010286
[    2.923395] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.923470] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.923545] RBP: 0000000000000000 R08: ff3addb94194ef50 R09: ff3addb94a2c0030
[    2.923620] R10: ff3addb94a2c3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.923693] R13: 0000000000000010 R14: ff3addb94a2c3000 R15: ff3addb942061100
[    2.923772] FS:  00007f8b16983840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.923849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.923927] CR2: 00007f8b16b8a430 CR3: 000000000a1fe003 CR4: 0000000000771ef0
[    2.924011] PKRU: 55555554
[    2.924061] Call Trace:
[    2.924113]  <TASK>
[    2.924164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.924223]  register_netdevice (net/core/dev.c:11488)
[    2.924280]  register_netdev (net/core/dev.c:11552)
[    2.924338]  sit_init_net (net/ipv6/sit.c:1860)
[    2.924398]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.924461]  ops_init (net/core/net_namespace.c:137)
[    2.924522]  setup_net (net/core/net_namespace.c:446)
[    2.924581]  copy_net_ns (net/core/net_namespace.c:579)
[    2.924638]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.924705]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.924769]  ksys_unshare (kernel/fork.c:3243)
[    2.924829]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.924886]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.924950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.925019] RIP: 0033:0x7f8b16c45bcb
[    2.925081] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.925203] RSP: 002b:00007ffc0dda2608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.925278] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b16c45bcb
[    2.925352] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.925430] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.925504] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0dda4830
[    2.925578] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0dda58b8
| [    2.925866] ------------[ cut here ]------------
| [    2.925938] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    2.926035] Modules linked in: ipvtap ipvlan
| [    2.926185] Tainted: [W]=WARN
[    2.926241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.926309] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.926376] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.926498] RSP: 0018:ff75ca83c0617ca8 EFLAGS: 00010286
[    2.926565] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.926639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.926717] RBP: 0000000000000000 R08: ff3addb943193450 R09: ff3addb94a2c5030
[    2.926792] R10: ff3addb94a2c0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.926866] R13: 0000000000000010 R14: ff3addb94a2c0000 R15: ff3addb942061100
[    2.926951] FS:  00007f8b16983840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.927035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.927159] CR2: 00007f8b16b8a430 CR3: 000000000a1fe003 CR4: 0000000000771ef0
[    2.927238] PKRU: 55555554
[    2.927289] Call Trace:
[    2.927340]  <TASK>
[    2.927390]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.927448]  register_netdevice (net/core/dev.c:11488)
[    2.927508]  register_netdev (net/core/dev.c:11552)
[    2.927569]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.927629]  ops_init (net/core/net_namespace.c:137)
[    2.927692]  setup_net (net/core/net_namespace.c:446)
[    2.927750]  copy_net_ns (net/core/net_namespace.c:579)
[    2.927809]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.927877]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.927945]  ksys_unshare (kernel/fork.c:3243)
[    2.928016]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.928097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.928159]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.928222] RIP: 0033:0x7f8b16c45bcb
[    2.928282] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.928405] RSP: 002b:00007ffc0dda2608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.928482] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b16c45bcb
[    2.928555] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.928631] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.928709] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0dda4830
[    2.928782] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0dda58b8
| [    2.932589] ------------[ cut here ]------------
| [    2.932628] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/278
| [    2.932685] Modules linked in: ipvtap ipvlan
| [    2.932772] Tainted: [W]=WARN
[    2.932793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.932831] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.932864] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.932956] RSP: 0018:ff75ca83c061f720 EFLAGS: 00010286
[    2.932984] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.933036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913600
[    2.933076] RBP: 0000000000000000 R08: ff3addb94194b450 R09: ff3addb94a28b02c
[    2.933116] R10: ff3addb94a2b3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.933156] R13: 0000000000000010 R14: ff3addb94a2b3000 R15: ff3addb941913600
[    2.933197] FS:  00007f446e002840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.933236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.933269] CR2: 00007f446e2d21a0 CR3: 000000000a0ef005 CR4: 0000000000771ef0
[    2.933306] PKRU: 55555554
[    2.933320] Call Trace:
[    2.933333]  <TASK>
[    2.933346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.933367]  __dev_notify_flags (net/core/dev.c:9787)
[    2.933389]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.933409]  netif_change_flags (net/core/dev.c:9820)
[    2.933430]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.933451]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.933482]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.933504]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.933526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.933555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.933576]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.933598]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.933627]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.933649]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.933670]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.933696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.933718]  ___sys_sendmsg (net/socket.c:2752)
[    2.933739]  __sys_sendmsg (net/socket.c:2784)
[    2.933761]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.933781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.933807] RIP: 0033:0x7f446e23c08e
[    2.933828] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.933914] RSP: 002b:00007ffc13278ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.933956] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f446e23c08e
[    2.934002] RDX: 0000000000000000 RSI: 00007ffc132790a0 RDI: 0000000000000005
[    2.934043] RBP: 00007ffc13279000 R08: 0000000000000000 R09: 0000000000000000
[    2.934084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    2.934128] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc13279770
| [    2.948597] ------------[ cut here ]------------
| [    2.948643] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/281
| [    2.948695] Modules linked in: ipvtap ipvlan
| [    2.948785] Tainted: [W]=WARN
[    2.948807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.948845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.948874] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.948972] RSP: 0018:ff75ca83c0637798 EFLAGS: 00010286
[    2.949006] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.949046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.949086] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a38b034
[    2.949129] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.949165] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5500
[    2.949204] FS:  00007fc4e5b8a840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.949237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.949272] CR2: 0000000000445730 CR3: 000000000a310005 CR4: 0000000000771ef0
[    2.949307] PKRU: 55555554
[    2.949322] Call Trace:
[    2.949337]  <TASK>
[    2.949350]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.949369]  notifier_call_chain (kernel/notifier.c:85)
[    2.949388]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.949416]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.949444] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.949475] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.949499]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.949522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.949549]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.949570]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.949600]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.949626]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.949647]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.949671]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.949691]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.949712]  ___sys_sendmsg (net/socket.c:2752)
[    2.949737]  __sys_sendmsg (net/socket.c:2784)
[    2.949760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.949782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.949813] RIP: 0033:0x7fc4e5dc408e
[    2.949831] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.949931] RSP: 002b:00007ffc444ac590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.949973] RAX: ffffffffffffffda RBX: 00007ffc444acd48 RCX: 00007fc4e5dc408e
[    2.950018] RDX: 0000000000000000 RSI: 00007ffc444ac640 RDI: 0000000000000005
[    2.950062] RBP: 00007ffc444ac5a0 R08: 0000000000000000 R09: 0000000000000000
[    2.950097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    2.950137] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc444acd00
| [    2.950218] ------------[ cut here ]------------
| [    2.950244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/281
| [    2.950290] Modules linked in: ipvtap ipvlan
| [    2.950369] Tainted: [W]=WARN
[    2.950391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.950422] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.950451] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.950545] RSP: 0018:ff75ca83c0637870 EFLAGS: 00010286
[    2.950573] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.950612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    2.950654] RBP: 0000000000000000 R08: ff3addb94a2436d0 R09: ff3addb94a38b030
[    2.950691] R10: ff3addb9476f0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.950730] R13: 0000000000000010 R14: ff3addb9476f0000 R15: ff3addb941df5500
[    2.950768] FS:  00007fc4e5b8a840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    2.950801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.950837] CR2: 0000000000445730 CR3: 000000000a310005 CR4: 0000000000771ef0
[    2.950879] PKRU: 55555554
[    2.950893] Call Trace:
[    2.950907]  <TASK>
[    2.950919]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.950943]  __dev_notify_flags (net/core/dev.c:9787)
[    2.950962]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.950989]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.951015]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.951045]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.951068]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.951095]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.951121]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.951143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.951166]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.951187]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.951207]  ___sys_sendmsg (net/socket.c:2752)
[    2.951229]  __sys_sendmsg (net/socket.c:2784)
[    2.951247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.951267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.951293] RIP: 0033:0x7fc4e5dc408e
[    2.951312] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.951410] RSP: 002b:00007ffc444ac590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.951454] RAX: ffffffffffffffda RBX: 00007ffc444acd48 RCX: 00007fc4e5dc408e
[    2.951495] RDX: 0000000000000000 RSI: 00007ffc444ac640 RDI: 0000000000000005
[    2.951534] RBP: 00007ffc444ac5a0 R08: 0000000000000000 R09: 0000000000000000
[    2.951576] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    2.951614] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc444acd00
| [    2.956569] ------------[ cut here ]------------
| [    2.956630] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/283
| [    2.956716] Modules linked in: ipvtap ipvlan
| [    2.956875] Tainted: [W]=WARN
[    2.956936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.957013] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.957076] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.957204] RSP: 0018:ff75ca83c063fcb8 EFLAGS: 00010286
[    2.957266] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.957342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913e00
[    2.957419] RBP: 0000000000000000 R08: ff3addb944538fd0 R09: ff3addb94a3d702c
[    2.957496] R10: ff3addb94a3d2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.957572] R13: 0000000000000010 R14: ff3addb94a3d2000 R15: ff3addb941913e00
[    2.957651] FS:  00007f9471976840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.957729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.957798] CR2: 00007f9471cef493 CR3: 000000000a1d0002 CR4: 0000000000771ef0
[    2.957877] PKRU: 55555554
[    2.957931] Call Trace:
[    2.957979]  <TASK>
[    2.958031]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.958087]  register_netdevice (net/core/dev.c:11488)
[    2.958143]  register_netdev (net/core/dev.c:11552)
[    2.958200]  loopback_net_init (drivers/net/loopback.c:218)
[    2.958259]  ops_init (net/core/net_namespace.c:137)
[    2.958315]  setup_net (net/core/net_namespace.c:446)
[    2.958378]  copy_net_ns (net/core/net_namespace.c:579)
[    2.958434]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.958498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.958561]  ksys_unshare (kernel/fork.c:3243)
[    2.958618]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.958673]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.958729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.958791] RIP: 0033:0x7f9471c38bcb
[    2.958847] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.958996] RSP: 002b:00007ffed590e7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.959072] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9471c38bcb
[    2.959149] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.959226] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.959303] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed5910a20
[    2.959380] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed59118b8
| [    2.959627] ------------[ cut here ]------------
| [    2.959692] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/283
| [    2.959777] Modules linked in: ipvtap ipvlan
| [    2.959938] Tainted: [W]=WARN
[    2.959999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.960068] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.960130] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.960262] RSP: 0018:ff75ca83c063fc10 EFLAGS: 00010286
[    2.960325] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.960400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    2.960475] RBP: 0000000000000000 R08: ff3addb943396ad0 R09: ff3addb94a3c4830
[    2.960552] R10: ff3addb94a3d7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.960627] R13: 0000000000000010 R14: ff3addb94a3d7000 R15: ff3addb941913000
[    2.960705] FS:  00007f9471976840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.960783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.960853] CR2: 00007f9471cef493 CR3: 000000000a1d0002 CR4: 0000000000771ef0
[    2.960941] PKRU: 55555554
[    2.960995] Call Trace:
[    2.961044]  <TASK>
[    2.961093]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.961149]  register_netdevice (net/core/dev.c:11488)
[    2.961205]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.961262]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.961320]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.961377]  ops_init (net/core/net_namespace.c:137)
[    2.961434]  setup_net (net/core/net_namespace.c:446)
[    2.961490]  copy_net_ns (net/core/net_namespace.c:579)
[    2.961546]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.961609]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.961680]  ksys_unshare (kernel/fork.c:3243)
[    2.961737]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.961792]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.961848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.961911] RIP: 0033:0x7f9471c38bcb
[    2.961970] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.962109] RSP: 002b:00007ffed590e7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.962184] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9471c38bcb
[    2.962260] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.962334] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.962410] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed5910a20
[    2.962485] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed59118b8
| [    2.962721] ------------[ cut here ]------------
| [    2.962783] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/283
| [    2.962869] Modules linked in: ipvtap ipvlan
| [    2.963042] Tainted: [W]=WARN
[    2.963096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.963165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.963227] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.963359] RSP: 0018:ff75ca83c063fbf0 EFLAGS: 00010286
[    2.963420] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.963497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    2.963572] RBP: 0000000000000000 R08: ff3addb943357bd0 R09: ff3addb94a3c2830
[    2.963647] R10: ff3addb94a3d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.963724] R13: 0000000000000010 R14: ff3addb94a3d6000 R15: ff3addb942060100
[    2.963804] FS:  00007f9471976840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.963885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.963959] CR2: 00007f9471cef493 CR3: 000000000a1d0002 CR4: 0000000000771ef0
[    2.964042] PKRU: 55555554
[    2.964090] Call Trace:
[    2.964138]  <TASK>
[    2.964186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.964242]  register_netdevice (net/core/dev.c:11488)
[    2.964299]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.964355]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.964412]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.964468]  ops_init (net/core/net_namespace.c:137)
[    2.964524]  setup_net (net/core/net_namespace.c:446)
[    2.964581]  copy_net_ns (net/core/net_namespace.c:579)
[    2.964636]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.964699]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.964763]  ksys_unshare (kernel/fork.c:3243)
[    2.964819]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.964875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.964938]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.965008] RIP: 0033:0x7f9471c38bcb
[    2.965064] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.965192] RSP: 002b:00007ffed590e7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.965268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9471c38bcb
[    2.965345] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.965421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.965496] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed5910a20
[    2.965573] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed59118b8
| [    2.965867] ------------[ cut here ]------------
| [    2.965937] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/283
| [    2.966026] Modules linked in: ipvtap ipvlan
| [    2.966178] Tainted: [W]=WARN
[    2.966233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.966301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.966365] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.966501] RSP: 0018:ff75ca83c063fca8 EFLAGS: 00010286
[    2.966565] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.966641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914400
[    2.966716] RBP: 0000000000000000 R08: ff3addb94451f650 R09: ff3addb94a3e2034
[    2.966793] R10: ff3addb94a3d5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.966869] R13: 0000000000000010 R14: ff3addb94a3d5000 R15: ff3addb941914400
[    2.966956] FS:  00007f9471976840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.967040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.967109] CR2: 00007f9471cef493 CR3: 000000000a1d0002 CR4: 0000000000771ef0
[    2.967187] PKRU: 55555554
[    2.967236] Call Trace:
[    2.967284]  <TASK>
[    2.967332]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.967389]  register_netdevice (net/core/dev.c:11488)
[    2.967445]  register_netdev (net/core/dev.c:11552)
[    2.967500]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.967557]  ops_init (net/core/net_namespace.c:137)
[    2.967618]  setup_net (net/core/net_namespace.c:446)
[    2.967674]  copy_net_ns (net/core/net_namespace.c:579)
[    2.967731]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.967796]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.967862]  ksys_unshare (kernel/fork.c:3243)
[    2.967927]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.967983]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.968075]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.968139] RIP: 0033:0x7f9471c38bcb
[    2.968194] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.968322] RSP: 002b:00007ffed590e7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.968398] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9471c38bcb
[    2.968473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.968548] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.968622] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed5910a20
[    2.968697] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed59118b8
| [    2.968947] ------------[ cut here ]------------
| [    2.969015] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/283
| [    2.969098] Modules linked in: ipvtap ipvlan
| [    2.969253] Tainted: [W]=WARN
[    2.969308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.969380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.969444] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.969577] RSP: 0018:ff75ca83c063fca0 EFLAGS: 00010286
[    2.969639] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.969714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[    2.969788] RBP: 0000000000000000 R08: ff3addb943200690 R09: ff3addb94a3e7030
[    2.969862] R10: ff3addb94a3e2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.969944] R13: 0000000000000010 R14: ff3addb94a3e2000 R15: ff3addb941914000
[    2.970030] FS:  00007f9471976840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.970107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.970176] CR2: 00007f9471cef493 CR3: 000000000a1d0002 CR4: 0000000000771ef0
[    2.970255] PKRU: 55555554
[    2.970302] Call Trace:
[    2.970351]  <TASK>
[    2.970399]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.970455]  register_netdevice (net/core/dev.c:11488)
[    2.970511]  register_netdev (net/core/dev.c:11552)
[    2.970567]  sit_init_net (net/ipv6/sit.c:1860)
[    2.970623]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.970679]  ops_init (net/core/net_namespace.c:137)
[    2.970736]  setup_net (net/core/net_namespace.c:446)
[    2.970794]  copy_net_ns (net/core/net_namespace.c:579)
[    2.970851]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.970914]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.970995]  ksys_unshare (kernel/fork.c:3243)
[    2.971051]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.971106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.971162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.971225] RIP: 0033:0x7f9471c38bcb
[    2.971280] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.971411] RSP: 002b:00007ffed590e7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.971488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9471c38bcb
[    2.971564] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.971640] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.971715] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed5910a20
[    2.971793] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed59118b8
| [    2.972082] ------------[ cut here ]------------
| [    2.972144] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/283
| [    2.972228] Modules linked in: ipvtap ipvlan
| [    2.972384] Tainted: [W]=WARN
[    2.972438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.972506] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.972569] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.972701] RSP: 0018:ff75ca83c063fca8 EFLAGS: 00010286
[    2.972762] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.972838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.972927] RBP: 0000000000000000 R08: ff3addb94339cb10 R09: ff3addb94a3e4030
[    2.973012] R10: ff3addb94a3e7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.973089] R13: 0000000000000010 R14: ff3addb94a3e7000 R15: ff3addb942061100
[    2.973172] FS:  00007f9471976840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.973251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.973322] CR2: 00007f9471cef493 CR3: 000000000a1d0002 CR4: 0000000000771ef0
[    2.973402] PKRU: 55555554
[    2.973450] Call Trace:
[    2.973498]  <TASK>
[    2.973546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.973603]  register_netdevice (net/core/dev.c:11488)
[    2.973659]  register_netdev (net/core/dev.c:11552)
[    2.973715]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.973771]  ops_init (net/core/net_namespace.c:137)
[    2.973828]  setup_net (net/core/net_namespace.c:446)
[    2.973884]  copy_net_ns (net/core/net_namespace.c:579)
[    2.973947]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.974019]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.974083]  ksys_unshare (kernel/fork.c:3243)
[    2.974139]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.974195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.974252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.974316] RIP: 0033:0x7f9471c38bcb
[    2.974371] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.974508] RSP: 002b:00007ffed590e7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.974585] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9471c38bcb
[    2.974660] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.974738] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.974814] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed5910a20
[    2.974891] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed59118b8
| [    2.978133] ------------[ cut here ]------------
| [    2.978163] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/284
| [    2.978214] Modules linked in: ipvtap ipvlan
| [    2.978286] Tainted: [W]=WARN
[    2.978311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.978346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.978373] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.978461] RSP: 0018:ff75ca83c0647720 EFLAGS: 00010286
[    2.978488] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.978526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913400
[    2.978562] RBP: 0000000000000000 R08: ff3addb944538fd0 R09: ff3addb94a28b02c
[    2.978602] R10: ff3addb94a3d2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.978642] R13: 0000000000000010 R14: ff3addb94a3d2000 R15: ff3addb941913400
[    2.978684] FS:  00007fd0dd2c3840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    2.978726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.978761] CR2: 0000000035531988 CR3: 000000000a1cf001 CR4: 0000000000771ef0
[    2.978801] PKRU: 55555554
[    2.978815] Call Trace:
[    2.978825]  <TASK>
[    2.978839]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.978857]  __dev_notify_flags (net/core/dev.c:9787)
[    2.978879]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.978899]  netif_change_flags (net/core/dev.c:9820)
[    2.978926]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.978945]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.978975]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.979002]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.979023]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.979051]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.979073]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.979095]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.979123]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.979147]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.979166]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.979185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.979209]  ___sys_sendmsg (net/socket.c:2752)
[    2.979232]  __sys_sendmsg (net/socket.c:2784)
[    2.979253]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.979277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.979302] RIP: 0033:0x7fd0dd4fd08e
[    2.979324] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.979415] RSP: 002b:00007ffd386c0a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.979454] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0dd4fd08e
[    2.979495] RDX: 0000000000000000 RSI: 00007ffd386c0b00 RDI: 0000000000000005
[    2.979537] RBP: 00007ffd386c0a60 R08: 0000000000000000 R09: 0000000000000000
[    2.979577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    2.979616] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd386c11d0
| [    2.993062] ------------[ cut here ]------------
| [    2.993136] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [    2.993228] Modules linked in: ipvtap ipvlan
| [    2.993387] Tainted: [W]=WARN
[    2.993441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.993511] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.993575] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.993714] RSP: 0018:ff75ca83c065f798 EFLAGS: 00010286
[    2.993777] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.993853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.993938] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a3f2034
[    2.994019] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.994097] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942061100
[    2.994177] FS:  00007ff99df93840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.994256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.994326] CR2: 0000000000445730 CR3: 000000000a1d2003 CR4: 0000000000771ef0
[    2.994407] PKRU: 55555554
[    2.994455] Call Trace:
[    2.994503]  <TASK>
[    2.994551]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.994607]  notifier_call_chain (kernel/notifier.c:85)
[    2.994666]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    2.994732]  netdev_upper_dev_link (net/core/dev.c:8972)
[    2.994797] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    2.994864] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    2.994940]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.995003]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.995067]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.995123]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.995188]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.995253]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.995310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.995367]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.995424]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.995481]  ___sys_sendmsg (net/socket.c:2752)
[    2.995538]  __sys_sendmsg (net/socket.c:2784)
[    2.995594]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.995650]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.995713] RIP: 0033:0x7ff99e1cd08e
[    2.995768] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.995903] RSP: 002b:00007ffc7a022230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.995992] RAX: ffffffffffffffda RBX: 00007ffc7a0229e8 RCX: 00007ff99e1cd08e
[    2.996069] RDX: 0000000000000000 RSI: 00007ffc7a0222e0 RDI: 0000000000000005
[    2.996146] RBP: 00007ffc7a022240 R08: 0000000000000000 R09: 0000000000000000
[    2.996224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    2.996299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7a0229a0
| [    2.996494] ------------[ cut here ]------------
| [    2.996556] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [    2.996640] Modules linked in: ipvtap ipvlan
| [    2.996795] Tainted: [W]=WARN
[    2.996848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.996926] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.996996] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.997127] RSP: 0018:ff75ca83c065f870 EFLAGS: 00010286
[    2.997189] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.997265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    2.997342] RBP: 0000000000000000 R08: ff3addb94a3398d0 R09: ff3addb94a3f2030
[    2.997417] R10: ff3addb94a3cc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.997494] R13: 0000000000000010 R14: ff3addb94a3cc000 R15: ff3addb942061100
[    2.997574] FS:  00007ff99df93840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    2.997652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.997721] CR2: 0000000000445730 CR3: 000000000a1d2003 CR4: 0000000000771ef0
[    2.997799] PKRU: 55555554
[    2.997848] Call Trace:
[    2.997896]  <TASK>
[    2.997950]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.998015]  __dev_notify_flags (net/core/dev.c:9787)
[    2.998072]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.998129]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.998188]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.998250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.998307]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    2.998370]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.998434]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.998491]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.998548]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.998604]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.998660]  ___sys_sendmsg (net/socket.c:2752)
[    2.998718]  __sys_sendmsg (net/socket.c:2784)
[    2.998774]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.998830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.998893] RIP: 0033:0x7ff99e1cd08e
[    2.998953] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.999091] RSP: 002b:00007ffc7a022230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.999167] RAX: ffffffffffffffda RBX: 00007ffc7a0229e8 RCX: 00007ff99e1cd08e
[    2.999242] RDX: 0000000000000000 RSI: 00007ffc7a0222e0 RDI: 0000000000000005
[    2.999318] RBP: 00007ffc7a022240 R08: 0000000000000000 R09: 0000000000000000
[    2.999392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    2.999470] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7a0229a0
| [    3.004518] ------------[ cut here ]------------
| [    3.004581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/289
| [    3.004670] Modules linked in: ipvtap ipvlan
| [    3.004827] Tainted: [W]=WARN
[    3.004881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.004954] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.005024] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.005163] RSP: 0018:ff75ca83c066fcb8 EFLAGS: 00010286
[    3.005226] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.005299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.005373] RBP: 0000000000000000 R08: ff3addb9418cc010 R09: ff3addb94a45002c
[    3.005453] R10: ff3addb94a453120 R11: fefefefefefefeff R12: 0000000000000000
[    3.005531] R13: 0000000000000010 R14: ff3addb94a453000 R15: ff3addb942061100
[    3.005612] FS:  00007f3dbcb5d840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.005691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.005763] CR2: 00007f3dbcd5ec20 CR3: 000000000a1d2006 CR4: 0000000000771ef0
[    3.005845] PKRU: 55555554
[    3.005896] Call Trace:
[    3.005952]  <TASK>
[    3.006013]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.006073]  register_netdevice (net/core/dev.c:11488)
[    3.006133]  register_netdev (net/core/dev.c:11552)
[    3.006193]  loopback_net_init (drivers/net/loopback.c:218)
[    3.006256]  ops_init (net/core/net_namespace.c:137)
[    3.006314]  setup_net (net/core/net_namespace.c:446)
[    3.006377]  copy_net_ns (net/core/net_namespace.c:579)
[    3.006438]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.006504]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.006566]  ksys_unshare (kernel/fork.c:3243)
[    3.006626]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.006684]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.006743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.006807] RIP: 0033:0x7f3dbce1fbcb
[    3.006865] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.007010] RSP: 002b:00007ffff63758b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.007092] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3dbce1fbcb
[    3.007166] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.007243] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.007319] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff6377ae0
[    3.007404] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff63788b8
| [    3.007680] ------------[ cut here ]------------
| [    3.007741] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/289
| [    3.007826] Modules linked in: ipvtap ipvlan
| [    3.007998] Tainted: [W]=WARN
[    3.008059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.008137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.008204] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.008334] RSP: 0018:ff75ca83c066fc10 EFLAGS: 00010286
[    3.008406] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.008485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    3.008562] RBP: 0000000000000000 R08: ff3addb943173310 R09: ff3addb94a45c830
[    3.008639] R10: ff3addb94a450120 R11: fefefefefefefeff R12: 0000000000000000
[    3.008713] R13: 0000000000000010 R14: ff3addb94a450000 R15: ff3addb942062a00
[    3.008794] FS:  00007f3dbcb5d840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.008871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.008946] CR2: 00007f3dbcd5ec20 CR3: 000000000a1d2006 CR4: 0000000000771ef0
[    3.009033] PKRU: 55555554
[    3.009084] Call Trace:
[    3.009133]  <TASK>
[    3.009185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.009247]  register_netdevice (net/core/dev.c:11488)
[    3.009309]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.009373]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.009432]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.009495]  ops_init (net/core/net_namespace.c:137)
[    3.009554]  setup_net (net/core/net_namespace.c:446)
[    3.009614]  copy_net_ns (net/core/net_namespace.c:579)
[    3.009674]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.009739]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.009807]  ksys_unshare (kernel/fork.c:3243)
[    3.009866]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.009935]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.010003]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.010069] RIP: 0033:0x7f3dbce1fbcb
[    3.010129] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.010251] RSP: 002b:00007ffff63758b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.010326] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3dbce1fbcb
[    3.010402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.010477] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.010554] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff6377ae0
[    3.010628] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff63788b8
| [    3.010867] ------------[ cut here ]------------
| [    3.010941] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/289
| [    3.011030] Modules linked in: ipvtap ipvlan
| [    3.011185] Tainted: [W]=WARN
[    3.011242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.011312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.011376] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.011494] RSP: 0018:ff75ca83c066fbf0 EFLAGS: 00010286
[    3.011560] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.011632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913b00
[    3.011707] RBP: 0000000000000000 R08: ff3addb94337d990 R09: ff3addb94a45a830
[    3.011783] R10: ff3addb94a457120 R11: fefefefefefefeff R12: 0000000000000000
[    3.011860] R13: 0000000000000010 R14: ff3addb94a457000 R15: ff3addb941913b00
[    3.011943] FS:  00007f3dbcb5d840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.012029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.012096] CR2: 00007f3dbcd5ec20 CR3: 000000000a1d2006 CR4: 0000000000771ef0
[    3.012176] PKRU: 55555554
[    3.012225] Call Trace:
[    3.012276]  <TASK>
[    3.012327]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.012388]  register_netdevice (net/core/dev.c:11488)
[    3.012450]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.012513]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.012574]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.012631]  ops_init (net/core/net_namespace.c:137)
[    3.012691]  setup_net (net/core/net_namespace.c:446)
[    3.012751]  copy_net_ns (net/core/net_namespace.c:579)
[    3.012812]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.012882]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.012953]  ksys_unshare (kernel/fork.c:3243)
[    3.013020]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.013081]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.013143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.013212] RIP: 0033:0x7f3dbce1fbcb
[    3.013268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.013387] RSP: 002b:00007ffff63758b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.013465] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3dbce1fbcb
[    3.013542] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.013617] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.013694] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff6377ae0
[    3.013767] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff63788b8
| [    3.014062] ------------[ cut here ]------------
| [    3.014122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/289
| [    3.014203] Modules linked in: ipvtap ipvlan
| [    3.014360] Tainted: [W]=WARN
[    3.014419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.014488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.014555] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.014677] RSP: 0018:ff75ca83c066fca8 EFLAGS: 00010286
[    3.014746] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.014823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.014902] RBP: 0000000000000000 R08: ff3addb94194b0d0 R09: ff3addb94a463034
[    3.014993] R10: ff3addb94a456120 R11: fefefefefefefeff R12: 0000000000000000
[    3.015070] R13: 0000000000000010 R14: ff3addb94a456000 R15: ff3addb941914300
[    3.015150] FS:  00007f3dbcb5d840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.015226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.015298] CR2: 00007f3dbcd5ec20 CR3: 000000000a1d2006 CR4: 0000000000771ef0
[    3.015377] PKRU: 55555554
[    3.015426] Call Trace:
[    3.015477]  <TASK>
[    3.015528]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.015586]  register_netdevice (net/core/dev.c:11488)
[    3.015644]  register_netdev (net/core/dev.c:11552)
[    3.015703]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.015763]  ops_init (net/core/net_namespace.c:137)
[    3.015826]  setup_net (net/core/net_namespace.c:446)
[    3.015884]  copy_net_ns (net/core/net_namespace.c:579)
[    3.015953]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.016028]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.016097]  ksys_unshare (kernel/fork.c:3243)
[    3.016159]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.016218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.016275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.016343] RIP: 0033:0x7f3dbce1fbcb
[    3.016399] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.016521] RSP: 002b:00007ffff63758b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.016598] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3dbce1fbcb
[    3.016674] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.016751] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.016830] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff6377ae0
[    3.016902] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff63788b8
| [    3.017194] ------------[ cut here ]------------
| [    3.017258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/289
| [    3.017341] Modules linked in: ipvtap ipvlan
| [    3.017494] Tainted: [W]=WARN
[    3.017551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.017621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.017685] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.017807] RSP: 0018:ff75ca83c066fca0 EFLAGS: 00010286
[    3.017870] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.017953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.018038] RBP: 0000000000000000 R08: ff3addb9431931d0 R09: ff3addb94a460030
[    3.018116] R10: ff3addb94a463120 R11: fefefefefefefeff R12: 0000000000000000
[    3.018192] R13: 0000000000000010 R14: ff3addb94a463000 R15: ff3addb941913000
[    3.018268] FS:  00007f3dbcb5d840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.018344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.018416] CR2: 00007f3dbcd5ec20 CR3: 000000000a1d2006 CR4: 0000000000771ef0
[    3.018491] PKRU: 55555554
[    3.018542] Call Trace:
[    3.018592]  <TASK>
[    3.018643]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.018704]  register_netdevice (net/core/dev.c:11488)
[    3.018767]  register_netdev (net/core/dev.c:11552)
[    3.018829]  sit_init_net (net/ipv6/sit.c:1860)
[    3.018887]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.018953]  ops_init (net/core/net_namespace.c:137)
[    3.019020]  setup_net (net/core/net_namespace.c:446)
[    3.019082]  copy_net_ns (net/core/net_namespace.c:579)
[    3.019144]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.019209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.019275]  ksys_unshare (kernel/fork.c:3243)
[    3.019337]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.019396]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.019459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.019522] RIP: 0033:0x7f3dbce1fbcb
[    3.019584] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.019701] RSP: 002b:00007ffff63758b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.019778] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3dbce1fbcb
[    3.019856] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.019941] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.020028] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff6377ae0
[    3.020101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff63788b8
| [    3.020351] ------------[ cut here ]------------
| [    3.020419] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/289
| [    3.020500] Modules linked in: ipvtap ipvlan
| [    3.020656] Tainted: [W]=WARN
[    3.020714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.020787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.020856] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.020992] RSP: 0018:ff75ca83c066fca8 EFLAGS: 00010286
[    3.021056] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.021130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.021204] RBP: 0000000000000000 R08: ff3addb94a243110 R09: ff3addb94a465030
[    3.021280] R10: ff3addb94a460120 R11: fefefefefefefeff R12: 0000000000000000
[    3.021356] R13: 0000000000000010 R14: ff3addb94a460000 R15: ff3addb941913000
[    3.021433] FS:  00007f3dbcb5d840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.021510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.021581] CR2: 00007f3dbcd5ec20 CR3: 000000000a1d2006 CR4: 0000000000771ef0
[    3.021655] PKRU: 55555554
[    3.021706] Call Trace:
[    3.021755]  <TASK>
[    3.021805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.021866]  register_netdevice (net/core/dev.c:11488)
[    3.021931]  register_netdev (net/core/dev.c:11552)
[    3.021996]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.022057]  ops_init (net/core/net_namespace.c:137)
[    3.022117]  setup_net (net/core/net_namespace.c:446)
[    3.022178]  copy_net_ns (net/core/net_namespace.c:579)
[    3.022237]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.022304]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.022369]  ksys_unshare (kernel/fork.c:3243)
[    3.022430]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.022491]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.022549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.022616] RIP: 0033:0x7f3dbce1fbcb
[    3.022672] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.022791] RSP: 002b:00007ffff63758b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.022866] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3dbce1fbcb
[    3.022947] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.023024] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.023097] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffff6377ae0
[    3.023171] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffff63788b8
| [    3.026396] ------------[ cut here ]------------
| [    3.026431] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/290
| [    3.026482] Modules linked in: ipvtap ipvlan
| [    3.026563] Tainted: [W]=WARN
[    3.026594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.026626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.026655] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.026742] RSP: 0018:ff75ca83c0677720 EFLAGS: 00010286
[    3.026768] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.026808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.026847] RBP: 0000000000000000 R08: ff3addb9418cc010 R09: ff3addb94a28b02c
[    3.026888] R10: ff3addb94a453120 R11: fefefefefefefeff R12: 0000000000000000
[    3.026933] R13: 0000000000000010 R14: ff3addb94a453000 R15: ff3addb943040100
[    3.026975] FS:  00007fbe8b073840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.027017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.027051] CR2: 0000000032578988 CR3: 000000000a34c003 CR4: 0000000000771ef0
[    3.027092] PKRU: 55555554
[    3.027106] Call Trace:
[    3.027119]  <TASK>
[    3.027134]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.027155]  __dev_notify_flags (net/core/dev.c:9787)
[    3.027175]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.027195]  netif_change_flags (net/core/dev.c:9820)
[    3.027216]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.027239]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.027268]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.027289]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.027310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.027337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.027359]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.027382]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.027412]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.027432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.027453]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.027474]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.027495]  ___sys_sendmsg (net/socket.c:2752)
[    3.027516]  __sys_sendmsg (net/socket.c:2784)
[    3.027536]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.027557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.027583] RIP: 0033:0x7fbe8b2ad08e
[    3.027605] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.027693] RSP: 002b:00007ffe02c7b580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.027734] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbe8b2ad08e
[    3.027774] RDX: 0000000000000000 RSI: 00007ffe02c7b630 RDI: 0000000000000005
[    3.027814] RBP: 00007ffe02c7b590 R08: 0000000000000000 R09: 0000000000000000
[    3.027852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.027890] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe02c7bd00
| [    3.041339] ------------[ cut here ]------------
| [    3.041405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/293
| [    3.041492] Modules linked in: ipvtap ipvlan
| [    3.041647] Tainted: [W]=WARN
[    3.041704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.041770] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.041835] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.041967] RSP: 0018:ff75ca83c068f798 EFLAGS: 00010286
[    3.042033] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.042111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[    3.042188] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a4eb034
[    3.042261] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.042337] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941914000
[    3.042412] FS:  00007ff3844d9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.042488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.042559] CR2: 0000000000445730 CR3: 000000000a33f006 CR4: 0000000000771ef0
[    3.042635] PKRU: 55555554
[    3.042683] Call Trace:
[    3.042735]  <TASK>
[    3.042787]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.042847]  notifier_call_chain (kernel/notifier.c:85)
[    3.042907]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.042978]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.043052] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.043119] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.043183]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.043246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.043312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.043372]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.043437]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.043503]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.043563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.043623]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.043685]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.043745]  ___sys_sendmsg (net/socket.c:2752)
[    3.043805]  __sys_sendmsg (net/socket.c:2784)
[    3.043868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.043937]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.044008] RIP: 0033:0x7ff38471308e
[    3.044065] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.044187] RSP: 002b:00007fff77916ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.044263] RAX: ffffffffffffffda RBX: 00007fff77917678 RCX: 00007ff38471308e
[    3.044338] RDX: 0000000000000000 RSI: 00007fff77916f70 RDI: 0000000000000005
[    3.044416] RBP: 00007fff77916ed0 R08: 0000000000000000 R09: 0000000000000000
[    3.044490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.044565] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff77917630
| [    3.044764] ------------[ cut here ]------------
| [    3.044829] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/293
| [    3.044911] Modules linked in: ipvtap ipvlan
| [    3.045080] Tainted: [W]=WARN
[    3.045137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.045205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.045270] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.045391] RSP: 0018:ff75ca83c068f870 EFLAGS: 00010286
[    3.045454] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.045527] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913b00
[    3.045602] RBP: 0000000000000000 R08: ff3addb943173610 R09: ff3addb94a4eb030
[    3.045680] R10: ff3addb94a444120 R11: fefefefefefefeff R12: 0000000000000000
[    3.045758] R13: 0000000000000010 R14: ff3addb94a444000 R15: ff3addb941913b00
[    3.045840] FS:  00007ff3844d9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.045917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.046000] CR2: 0000000000445730 CR3: 000000000a33f006 CR4: 0000000000771ef0
[    3.046078] PKRU: 55555554
[    3.046129] Call Trace:
[    3.046180]  <TASK>
[    3.046230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.046292]  __dev_notify_flags (net/core/dev.c:9787)
[    3.046355]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.046417]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.046478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.046545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.046606]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.046674]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.046741]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.046805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.046863]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.046931]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.047001]  ___sys_sendmsg (net/socket.c:2752)
[    3.047065]  __sys_sendmsg (net/socket.c:2784)
[    3.047127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.047189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.047255] RIP: 0033:0x7ff38471308e
[    3.047317] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.047442] RSP: 002b:00007fff77916ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.047519] RAX: ffffffffffffffda RBX: 00007fff77917678 RCX: 00007ff38471308e
[    3.047593] RDX: 0000000000000000 RSI: 00007fff77916f70 RDI: 0000000000000005
[    3.047669] RBP: 00007fff77916ed0 R08: 0000000000000000 R09: 0000000000000000
[    3.047743] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.047822] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff77917630
| [    3.052813] ------------[ cut here ]------------
| [    3.052880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/295
| [    3.052983] Modules linked in: ipvtap ipvlan
| [    3.053153] Tainted: [W]=WARN
[    3.053207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.053281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.053347] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.053506] RSP: 0018:ff75ca83c069fcb8 EFLAGS: 00010286
[    3.053570] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.053645] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.053722] RBP: 0000000000000000 R08: ff3addb94a4c4b10 R09: ff3addb94a50902c
[    3.053799] R10: ff3addb94a4ec120 R11: fefefefefefefeff R12: 0000000000000000
[    3.053873] R13: 0000000000000010 R14: ff3addb94a4ec000 R15: ff3addb942061100
[    3.053961] FS:  00007f78fa12c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.054045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.054131] CR2: 00007f78fa32dc20 CR3: 000000000a33f003 CR4: 0000000000771ef0
[    3.054207] PKRU: 55555554
[    3.054259] Call Trace:
[    3.054309]  <TASK>
[    3.054359]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.054418]  register_netdevice (net/core/dev.c:11488)
[    3.054478]  register_netdev (net/core/dev.c:11552)
[    3.054539]  loopback_net_init (drivers/net/loopback.c:218)
[    3.054603]  ops_init (net/core/net_namespace.c:137)
[    3.054670]  setup_net (net/core/net_namespace.c:446)
[    3.054732]  copy_net_ns (net/core/net_namespace.c:579)
[    3.054794]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.054858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.054932]  ksys_unshare (kernel/fork.c:3243)
[    3.055000]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.055061]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.055120]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.055188] RIP: 0033:0x7f78fa3eebcb
[    3.055246] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.055370] RSP: 002b:00007ffefdb69af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.055447] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78fa3eebcb
[    3.055520] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.055598] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.055672] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefdb6bd20
[    3.055746] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefdb6d8b8
| [    3.056008] ------------[ cut here ]------------
| [    3.056074] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/295
| [    3.056156] Modules linked in: ipvtap ipvlan
| [    3.056308] Tainted: [W]=WARN
[    3.056367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.056437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.056504] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.056625] RSP: 0018:ff75ca83c069fc10 EFLAGS: 00010286
[    3.056689] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.056761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    3.056835] RBP: 0000000000000000 R08: ff3addb94a4c4a50 R09: ff3addb94a4f6830
[    3.056909] R10: ff3addb94a509120 R11: fefefefefefefeff R12: 0000000000000000
[    3.057001] R13: 0000000000000010 R14: ff3addb94a509000 R15: ff3addb942062a00
[    3.057078] FS:  00007f78fa12c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.057156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.057230] CR2: 00007f78fa32dc20 CR3: 000000000a33f003 CR4: 0000000000771ef0
[    3.057305] PKRU: 55555554
[    3.057355] Call Trace:
[    3.057405]  <TASK>
[    3.057457]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.057515]  register_netdevice (net/core/dev.c:11488)
[    3.057574]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.057635]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.057694]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.057754]  ops_init (net/core/net_namespace.c:137)
[    3.057813]  setup_net (net/core/net_namespace.c:446)
[    3.057872]  copy_net_ns (net/core/net_namespace.c:579)
[    3.057942]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.058015]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.058088]  ksys_unshare (kernel/fork.c:3243)
[    3.058147]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.058204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.058265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.058331] RIP: 0033:0x7f78fa3eebcb
[    3.058389] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.058509] RSP: 002b:00007ffefdb69af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.058587] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78fa3eebcb
[    3.058660] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.058737] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.058813] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefdb6bd20
[    3.058889] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefdb6d8b8
| [    3.059169] ------------[ cut here ]------------
| [    3.059230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/295
| [    3.059313] Modules linked in: ipvtap ipvlan
| [    3.059467] Tainted: [W]=WARN
[    3.059523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.059594] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.059661] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.059779] RSP: 0018:ff75ca83c069fbf0 EFLAGS: 00010286
[    3.059845] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.059930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.060019] RBP: 0000000000000000 R08: ff3addb94a4132d0 R09: ff3addb94a510830
[    3.060097] R10: ff3addb94a508120 R11: fefefefefefefeff R12: 0000000000000000
[    3.060173] R13: 0000000000000010 R14: ff3addb94a508000 R15: ff3addb942063c00
[    3.060253] FS:  00007f78fa12c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.060334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.060404] CR2: 00007f78fa32dc20 CR3: 000000000a33f003 CR4: 0000000000771ef0
[    3.060484] PKRU: 55555554
[    3.060535] Call Trace:
[    3.060584]  <TASK>
[    3.060634]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.060694]  register_netdevice (net/core/dev.c:11488)
[    3.060756]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.060818]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.060881]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.060955]  ops_init (net/core/net_namespace.c:137)
[    3.061019]  setup_net (net/core/net_namespace.c:446)
[    3.061081]  copy_net_ns (net/core/net_namespace.c:579)
[    3.061141]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.061208]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.061276]  ksys_unshare (kernel/fork.c:3243)
[    3.061338]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.061400]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.061458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.061525] RIP: 0033:0x7f78fa3eebcb
[    3.061584] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.061703] RSP: 002b:00007ffefdb69af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.061781] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78fa3eebcb
[    3.061859] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.061941] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.062026] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefdb6bd20
[    3.062105] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefdb6d8b8
| [    3.062348] ------------[ cut here ]------------
| [    3.062410] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/295
| [    3.062492] Modules linked in: ipvtap ipvlan
| [    3.062644] Tainted: [W]=WARN
[    3.062699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.062771] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.062836] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.062972] RSP: 0018:ff75ca83c069fca8 EFLAGS: 00010286
[    3.063043] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.063120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    3.063201] RBP: 0000000000000000 R08: ff3addb9444fed10 R09: ff3addb94a50c034
[    3.063278] R10: ff3addb94a50f120 R11: fefefefefefefeff R12: 0000000000000000
[    3.063357] R13: 0000000000000010 R14: ff3addb94a50f000 R15: ff3addb942061400
[    3.063436] FS:  00007f78fa12c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.063516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.063589] CR2: 00007f78fa32dc20 CR3: 000000000a33f003 CR4: 0000000000771ef0
[    3.063667] PKRU: 55555554
[    3.063717] Call Trace:
[    3.063768]  <TASK>
[    3.063820]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.063881]  register_netdevice (net/core/dev.c:11488)
[    3.063950]  register_netdev (net/core/dev.c:11552)
[    3.064018]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.064082]  ops_init (net/core/net_namespace.c:137)
[    3.064144]  setup_net (net/core/net_namespace.c:446)
[    3.064204]  copy_net_ns (net/core/net_namespace.c:579)
[    3.064266]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.064331]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.064396]  ksys_unshare (kernel/fork.c:3243)
[    3.064456]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.064514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.064573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.064638] RIP: 0033:0x7f78fa3eebcb
[    3.064696] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.064815] RSP: 002b:00007ffefdb69af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.064891] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78fa3eebcb
[    3.064970] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.065054] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.065128] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefdb6bd20
[    3.065202] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefdb6d8b8
| [    3.065474] ------------[ cut here ]------------
| [    3.065536] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/295
| [    3.065617] Modules linked in: ipvtap ipvlan
| [    3.065775] Tainted: [W]=WARN
[    3.065834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.065903] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.065993] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.066117] RSP: 0018:ff75ca83c069fca0 EFLAGS: 00010286
[    3.066185] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.066261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.066338] RBP: 0000000000000000 R08: ff3addb943173490 R09: ff3addb94a519030
[    3.066412] R10: ff3addb94a50c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.066487] R13: 0000000000000010 R14: ff3addb94a50c000 R15: ff3addb941913000
[    3.066570] FS:  00007f78fa12c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.066648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.066717] CR2: 00007f78fa32dc20 CR3: 000000000a33f003 CR4: 0000000000771ef0
[    3.066794] PKRU: 55555554
[    3.066843] Call Trace:
[    3.066893]  <TASK>
[    3.066949]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.067013]  register_netdevice (net/core/dev.c:11488)
[    3.067072]  register_netdev (net/core/dev.c:11552)
[    3.067135]  sit_init_net (net/ipv6/sit.c:1860)
[    3.067196]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.067256]  ops_init (net/core/net_namespace.c:137)
[    3.067316]  setup_net (net/core/net_namespace.c:446)
[    3.067411]  copy_net_ns (net/core/net_namespace.c:579)
[    3.067470]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.067535]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.067600]  ksys_unshare (kernel/fork.c:3243)
[    3.067659]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.067716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.067776]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.067844] RIP: 0033:0x7f78fa3eebcb
[    3.067901] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.068042] RSP: 002b:00007ffefdb69af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.068117] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78fa3eebcb
[    3.068191] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.068264] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.068336] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefdb6bd20
[    3.068410] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefdb6d8b8
| [    3.068648] ------------[ cut here ]------------
| [    3.068711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/295
| [    3.068795] Modules linked in: ipvtap ipvlan
| [    3.068953] Tainted: [W]=WARN
[    3.069014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.069083] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.069146] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.069271] RSP: 0018:ff75ca83c069fca8 EFLAGS: 00010286
[    3.069335] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.069408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.069484] RBP: 0000000000000000 R08: ff3addb94a339890 R09: ff3addb94a51e030
[    3.069557] R10: ff3addb94a519120 R11: fefefefefefefeff R12: 0000000000000000
[    3.069632] R13: 0000000000000010 R14: ff3addb94a519000 R15: ff3addb941913000
[    3.069709] FS:  00007f78fa12c840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.069784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.069851] CR2: 00007f78fa32dc20 CR3: 000000000a33f003 CR4: 0000000000771ef0
[    3.069939] PKRU: 55555554
[    3.069993] Call Trace:
[    3.070042]  <TASK>
[    3.070091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.070149]  register_netdevice (net/core/dev.c:11488)
[    3.070206]  register_netdev (net/core/dev.c:11552)
[    3.070261]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.070318]  ops_init (net/core/net_namespace.c:137)
[    3.070379]  setup_net (net/core/net_namespace.c:446)
[    3.070437]  copy_net_ns (net/core/net_namespace.c:579)
[    3.070498]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.070560]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.070623]  ksys_unshare (kernel/fork.c:3243)
[    3.070680]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.070742]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.070799]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.070862] RIP: 0033:0x7f78fa3eebcb
[    3.070926] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.071057] RSP: 002b:00007ffefdb69af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.071133] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f78fa3eebcb
[    3.071207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.071282] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.071356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffefdb6bd20
[    3.071430] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffefdb6d8b8
| [    3.074634] ------------[ cut here ]------------
| [    3.074667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/296
| [    3.074716] Modules linked in: ipvtap ipvlan
| [    3.074799] Tainted: [W]=WARN
[    3.074820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.074855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.074882] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.074973] RSP: 0018:ff75ca83c06a7720 EFLAGS: 00010286
[    3.075005] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.075043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.075083] RBP: 0000000000000000 R08: ff3addb94a4c4b10 R09: ff3addb94a28b02c
[    3.075127] R10: ff3addb94a4ec120 R11: fefefefefefefeff R12: 0000000000000000
[    3.075168] R13: 0000000000000010 R14: ff3addb94a4ec000 R15: ff3addb943040100
[    3.075206] FS:  00007ff8f4354840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.075244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.075275] CR2: 000000003bab2988 CR3: 000000000a367005 CR4: 0000000000771ef0
[    3.075319] PKRU: 55555554
[    3.075333] Call Trace:
[    3.075345]  <TASK>
[    3.075360]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.075380]  __dev_notify_flags (net/core/dev.c:9787)
[    3.075401]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.075422]  netif_change_flags (net/core/dev.c:9820)
[    3.075444]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.075466]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.075496]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.075517]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.075537]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.075564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.075585]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.075606]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.075632]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.075653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.075673]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.075696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.075717]  ___sys_sendmsg (net/socket.c:2752)
[    3.075739]  __sys_sendmsg (net/socket.c:2784)
[    3.075760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.075781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.075807] RIP: 0033:0x7ff8f458e08e
[    3.075828] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.075915] RSP: 002b:00007ffeeff38210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.075959] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff8f458e08e
[    3.076002] RDX: 0000000000000000 RSI: 00007ffeeff382c0 RDI: 0000000000000005
[    3.076042] RBP: 00007ffeeff38220 R08: 0000000000000000 R09: 0000000000000000
[    3.076081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.076117] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeeff38990
| [    3.089802] ------------[ cut here ]------------
| [    3.089837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/299
| [    3.089885] Modules linked in: ipvtap ipvlan
| [    3.089977] Tainted: [W]=WARN
[    3.090003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.090041] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.090068] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.090155] RSP: 0018:ff75ca83c06b7798 EFLAGS: 00010286
[    3.090184] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.090231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.090268] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a289034
[    3.090305] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.090346] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb943040100
[    3.090387] FS:  00007fd291f88840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.090428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.090464] CR2: 0000000000445730 CR3: 000000000a384003 CR4: 0000000000771ef0
[    3.090504] PKRU: 55555554
[    3.090518] Call Trace:
[    3.090531]  <TASK>
[    3.090545]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.090567]  notifier_call_chain (kernel/notifier.c:85)
[    3.090589]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.090616]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.090645] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.090674] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.090702]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.090725]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.090753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.090778]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.090804]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.090833]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.090855]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.090878]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.090899]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.090924]  ___sys_sendmsg (net/socket.c:2752)
[    3.090946]  __sys_sendmsg (net/socket.c:2784)
[    3.090967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.090992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.091015] RIP: 0033:0x7fd2921c208e
[    3.091042] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.091134] RSP: 002b:00007ffe2f327950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.091175] RAX: ffffffffffffffda RBX: 00007ffe2f328108 RCX: 00007fd2921c208e
[    3.091219] RDX: 0000000000000000 RSI: 00007ffe2f327a00 RDI: 0000000000000005
[    3.091258] RBP: 00007ffe2f327960 R08: 0000000000000000 R09: 0000000000000000
[    3.091298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.091338] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2f3280c0
| [    3.091421] ------------[ cut here ]------------
| [    3.091449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/299
| [    3.091498] Modules linked in: ipvtap ipvlan
| [    3.091583] Tainted: [W]=WARN
[    3.091601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.091636] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.091662] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.091754] RSP: 0018:ff75ca83c06b7870 EFLAGS: 00010286
[    3.091780] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.091822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.091859] RBP: 0000000000000000 R08: ff3addb943193390 R09: ff3addb94a289030
[    3.091899] R10: ff3addb94a296120 R11: fefefefefefefeff R12: 0000000000000000
[    3.091944] R13: 0000000000000010 R14: ff3addb94a296000 R15: ff3addb943040100
[    3.091984] FS:  00007fd291f88840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.092029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.092062] CR2: 0000000000445730 CR3: 000000000a384003 CR4: 0000000000771ef0
[    3.092100] PKRU: 55555554
[    3.092115] Call Trace:
[    3.092127]  <TASK>
[    3.092142]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.092164]  __dev_notify_flags (net/core/dev.c:9787)
[    3.092188]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.092208]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.092232]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.092259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.092281]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.092307]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.092335]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.092357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.092378]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.092399]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.092420]  ___sys_sendmsg (net/socket.c:2752)
[    3.092442]  __sys_sendmsg (net/socket.c:2784)
[    3.092462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.092483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.092508] RIP: 0033:0x7fd2921c208e
[    3.092527] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.092616] RSP: 002b:00007ffe2f327950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.092654] RAX: ffffffffffffffda RBX: 00007ffe2f328108 RCX: 00007fd2921c208e
[    3.092693] RDX: 0000000000000000 RSI: 00007ffe2f327a00 RDI: 0000000000000005
[    3.092733] RBP: 00007ffe2f327960 R08: 0000000000000000 R09: 0000000000000000
[    3.092771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.092811] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2f3280c0
| [    3.097656] ------------[ cut here ]------------
| [    3.097692] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/301
| [    3.097745] Modules linked in: ipvtap ipvlan
| [    3.097832] Tainted: [W]=WARN
[    3.097851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.097887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.097912] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.098011] RSP: 0018:ff75ca83c06c7cb8 EFLAGS: 00010286
[    3.098039] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.098078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.098116] RBP: 0000000000000000 R08: ff3addb94453c050 R09: ff3addb94a5fb02c
[    3.098155] R10: ff3addb94a5ee120 R11: fefefefefefefeff R12: 0000000000000000
[    3.098193] R13: 0000000000000010 R14: ff3addb94a5ee000 R15: ff3addb943040100
[    3.098233] FS:  00007fa1a68b2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.098272] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.098309] CR2: 00007fa1a6ab9430 CR3: 000000000a384005 CR4: 0000000000771ef0
[    3.098346] PKRU: 55555554
[    3.098364] Call Trace:
[    3.098379]  <TASK>
[    3.098392]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.098412]  register_netdevice (net/core/dev.c:11488)
[    3.098433]  register_netdev (net/core/dev.c:11552)
[    3.098454]  loopback_net_init (drivers/net/loopback.c:218)
[    3.098476]  ops_init (net/core/net_namespace.c:137)
[    3.098500]  setup_net (net/core/net_namespace.c:446)
[    3.098520]  copy_net_ns (net/core/net_namespace.c:579)
[    3.098543]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.098571]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.098597]  ksys_unshare (kernel/fork.c:3243)
[    3.098616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.098636]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.098659]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.098684] RIP: 0033:0x7fa1a6b74bcb
[    3.098707] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.098792] RSP: 002b:00007ffcb7715768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.098833] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa1a6b74bcb
[    3.098873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.098914] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.098959] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcb7717990
[    3.098999] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb77198b8
| [    3.099112] ------------[ cut here ]------------
| [    3.099139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/301
| [    3.099183] Modules linked in: ipvtap ipvlan
| [    3.099261] Tainted: [W]=WARN
[    3.099279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.099312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.099341] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.099428] RSP: 0018:ff75ca83c06c7c10 EFLAGS: 00010286
[    3.099453] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.099491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063000
[    3.099528] RBP: 0000000000000000 R08: ff3addb944538c50 R09: ff3addb94a5e6030
[    3.099567] R10: ff3addb94a5fb120 R11: fefefefefefefeff R12: 0000000000000000
[    3.099603] R13: 0000000000000010 R14: ff3addb94a5fb000 R15: ff3addb942063000
[    3.099643] FS:  00007fa1a68b2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.099680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.099714] CR2: 00007fa1a6ab9430 CR3: 000000000a384005 CR4: 0000000000771ef0
[    3.099755] PKRU: 55555554
[    3.099769] Call Trace:
[    3.099785]  <TASK>
[    3.099797]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.099816]  register_netdevice (net/core/dev.c:11488)
[    3.099834]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.099858]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.099878]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.099900]  ops_init (net/core/net_namespace.c:137)
[    3.099923]  setup_net (net/core/net_namespace.c:446)
[    3.099945]  copy_net_ns (net/core/net_namespace.c:579)
[    3.099966]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.099998]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.100029]  ksys_unshare (kernel/fork.c:3243)
[    3.100055]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.100074]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.100095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.100122] RIP: 0033:0x7fa1a6b74bcb
[    3.100145] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.100235] RSP: 002b:00007ffcb7715768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.100275] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa1a6b74bcb
[    3.100310] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.100349] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.100387] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcb7717990
[    3.100425] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb77198b8
| [    3.100532] ------------[ cut here ]------------
| [    3.100558] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/301
| [    3.100603] Modules linked in: ipvtap ipvlan
| [    3.100696] Tainted: [W]=WARN
[    3.100717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.100747] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.100774] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.100858] RSP: 0018:ff75ca83c06c7bf0 EFLAGS: 00010286
[    3.100883] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.100923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063700
[    3.100961] RBP: 0000000000000000 R08: ff3addb94339cd50 R09: ff3addb94a5e4030
[    3.101005] R10: ff3addb94a5fa120 R11: fefefefefefefeff R12: 0000000000000000
[    3.101042] R13: 0000000000000010 R14: ff3addb94a5fa000 R15: ff3addb942063700
[    3.101082] FS:  00007fa1a68b2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.101126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.101161] CR2: 00007fa1a6ab9430 CR3: 000000000a384005 CR4: 0000000000771ef0
[    3.101200] PKRU: 55555554
[    3.101215] Call Trace:
[    3.101227]  <TASK>
[    3.101239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.101259]  register_netdevice (net/core/dev.c:11488)
[    3.101283]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.101303]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.101324]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.101344]  ops_init (net/core/net_namespace.c:137)
[    3.101365]  setup_net (net/core/net_namespace.c:446)
[    3.101384]  copy_net_ns (net/core/net_namespace.c:579)
[    3.101409]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.101438]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.101463]  ksys_unshare (kernel/fork.c:3243)
[    3.101484]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.101504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.101524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.101550] RIP: 0033:0x7fa1a6b74bcb
[    3.101571] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.101655] RSP: 002b:00007ffcb7715768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.101694] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa1a6b74bcb
[    3.101732] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.101773] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.101812] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcb7717990
[    3.101850] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb77198b8
| [    3.101975] ------------[ cut here ]------------
| [    3.102007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/301
| [    3.102057] Modules linked in: ipvtap ipvlan
| [    3.102134] Tainted: [W]=WARN
[    3.102154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.102190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.102220] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.102309] RSP: 0018:ff75ca83c06c7ca8 EFLAGS: 00010286
[    3.102335] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.102372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062200
[    3.102410] RBP: 0000000000000000 R08: ff3addb94a243250 R09: ff3addb94a5fe034
[    3.102450] R10: ff3addb94a5f9120 R11: fefefefefefefeff R12: 0000000000000000
[    3.102492] R13: 0000000000000010 R14: ff3addb94a5f9000 R15: ff3addb942062200
[    3.102534] FS:  00007fa1a68b2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.102575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.102607] CR2: 00007fa1a6ab9430 CR3: 000000000a384005 CR4: 0000000000771ef0
[    3.102647] PKRU: 55555554
[    3.102660] Call Trace:
[    3.102674]  <TASK>
[    3.102689]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.102710]  register_netdevice (net/core/dev.c:11488)
[    3.102730]  register_netdev (net/core/dev.c:11552)
[    3.102749]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.102771]  ops_init (net/core/net_namespace.c:137)
[    3.102793]  setup_net (net/core/net_namespace.c:446)
[    3.102814]  copy_net_ns (net/core/net_namespace.c:579)
[    3.102835]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.102862]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.102888]  ksys_unshare (kernel/fork.c:3243)
[    3.102909]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.102930]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.102952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.102978] RIP: 0033:0x7fa1a6b74bcb
[    3.103004] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.103089] RSP: 002b:00007ffcb7715768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.103130] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa1a6b74bcb
[    3.103170] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.103208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.103245] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcb7717990
[    3.103286] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb77198b8
| [    3.103419] ------------[ cut here ]------------
| [    3.103445] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/301
| [    3.103489] Modules linked in: ipvtap ipvlan
| [    3.103571] Tainted: [W]=WARN
[    3.103591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.103625] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.103651] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.103734] RSP: 0018:ff75ca83c06c7ca0 EFLAGS: 00010286
[    3.103760] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.103798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.103843] RBP: 0000000000000000 R08: ff3addb94a413990 R09: ff3addb94a603030
[    3.103887] R10: ff3addb94a5fe120 R11: fefefefefefefeff R12: 0000000000000000
[    3.103928] R13: 0000000000000010 R14: ff3addb94a5fe000 R15: ff3addb943040100
[    3.103969] FS:  00007fa1a68b2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.104013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.104048] CR2: 00007fa1a6ab9430 CR3: 000000000a384005 CR4: 0000000000771ef0
[    3.104087] PKRU: 55555554
[    3.104103] Call Trace:
[    3.104119]  <TASK>
[    3.104134]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.104154]  register_netdevice (net/core/dev.c:11488)
[    3.104177]  register_netdev (net/core/dev.c:11552)
[    3.104197]  sit_init_net (net/ipv6/sit.c:1860)
[    3.104219]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.104240]  ops_init (net/core/net_namespace.c:137)
[    3.104268]  setup_net (net/core/net_namespace.c:446)
[    3.104289]  copy_net_ns (net/core/net_namespace.c:579)
[    3.104310]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.104339]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.104367]  ksys_unshare (kernel/fork.c:3243)
[    3.104388]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.104409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.104430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.104456] RIP: 0033:0x7fa1a6b74bcb
[    3.104478] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.104564] RSP: 002b:00007ffcb7715768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.104608] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa1a6b74bcb
[    3.104647] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.104688] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.104727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcb7717990
[    3.104766] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb77198b8
| [    3.104877] ------------[ cut here ]------------
| [    3.104903] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/301
| [    3.104947] Modules linked in: ipvtap ipvlan
| [    3.105026] Tainted: [W]=WARN
[    3.105044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.105078] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.105104] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.105190] RSP: 0018:ff75ca83c06c7ca8 EFLAGS: 00010286
[    3.105217] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.105255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061600
[    3.105292] RBP: 0000000000000000 R08: ff3addb94a4c4790 R09: ff3addb94a600030
[    3.105334] R10: ff3addb94a603120 R11: fefefefefefefeff R12: 0000000000000000
[    3.105378] R13: 0000000000000010 R14: ff3addb94a603000 R15: ff3addb942061600
[    3.105422] FS:  00007fa1a68b2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.105458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.105495] CR2: 00007fa1a6ab9430 CR3: 000000000a384005 CR4: 0000000000771ef0
[    3.105534] PKRU: 55555554
[    3.105548] Call Trace:
[    3.105563]  <TASK>
[    3.105579]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.105603]  register_netdevice (net/core/dev.c:11488)
[    3.105624]  register_netdev (net/core/dev.c:11552)
[    3.105646]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.105667]  ops_init (net/core/net_namespace.c:137)
[    3.105688]  setup_net (net/core/net_namespace.c:446)
[    3.105708]  copy_net_ns (net/core/net_namespace.c:579)
[    3.105727]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.105756]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.105783]  ksys_unshare (kernel/fork.c:3243)
[    3.105803]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.105826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.105847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.105874] RIP: 0033:0x7fa1a6b74bcb
[    3.105896] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.105988] RSP: 002b:00007ffcb7715768 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.106026] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa1a6b74bcb
[    3.106064] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.106104] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.106149] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcb7717990
[    3.106187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb77198b8
| [    3.109263] ------------[ cut here ]------------
| [    3.109326] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/302
| [    3.109412] Modules linked in: ipvtap ipvlan
| [    3.109571] Tainted: [W]=WARN
[    3.109631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.109704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.109772] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.109892] RSP: 0018:ff75ca83c06cf720 EFLAGS: 00010286
[    3.109964] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.110046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.110123] RBP: 0000000000000000 R08: ff3addb94453c050 R09: ff3addb94a51e02c
[    3.110195] R10: ff3addb94a5ee120 R11: fefefefefefefeff R12: 0000000000000000
[    3.110271] R13: 0000000000000010 R14: ff3addb94a5ee000 R15: ff3addb941914300
[    3.110353] FS:  00007ffb3d829840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.110429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.110501] CR2: 00000000014fd988 CR3: 000000000a382005 CR4: 0000000000771ef0
[    3.110580] PKRU: 55555554
[    3.110630] Call Trace:
[    3.110681]  <TASK>
[    3.110731]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.110794]  __dev_notify_flags (net/core/dev.c:9787)
[    3.110856]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.110913]  netif_change_flags (net/core/dev.c:9820)
[    3.110983]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.111059]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.111129]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.111192]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.111255]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.111322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.111385]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.111445]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.111512]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.111574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.111634]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.111696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.111757]  ___sys_sendmsg (net/socket.c:2752)
[    3.111819]  __sys_sendmsg (net/socket.c:2784)
[    3.111881]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.111948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.112025] RIP: 0033:0x7ffb3da6308e
[    3.112086] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.112209] RSP: 002b:00007ffcf49fdb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.112288] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffb3da6308e
[    3.112365] RDX: 0000000000000000 RSI: 00007ffcf49fdbf0 RDI: 0000000000000005
[    3.112444] RBP: 00007ffcf49fdb50 R08: 0000000000000000 R09: 0000000000000000
[    3.112521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.112601] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf49fe2c0
| [    3.126032] ------------[ cut here ]------------
| [    3.126072] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/305
| [    3.126120] Modules linked in: ipvtap ipvlan
| [    3.126206] Tainted: [W]=WARN
[    3.126228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.126263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.126290] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.126383] RSP: 0018:ff75ca83c06e7798 EFLAGS: 00010286
[    3.126414] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.126452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913500
[    3.126489] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a606034
[    3.126526] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.126566] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913500
[    3.126607] FS:  00007fe5916dc840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.126650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.126680] CR2: 0000000000445730 CR3: 000000000a54a006 CR4: 0000000000771ef0
[    3.126718] PKRU: 55555554
[    3.126734] Call Trace:
[    3.126748]  <TASK>
[    3.126765]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.126789]  notifier_call_chain (kernel/notifier.c:85)
[    3.126810]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.126839]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.126869] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.126901] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.126930]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.126953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.126985]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.127009]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.127036]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.127062]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.127085]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.127109]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.127130]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.127151]  ___sys_sendmsg (net/socket.c:2752)
[    3.127174]  __sys_sendmsg (net/socket.c:2784)
[    3.127195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.127221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.127249] RIP: 0033:0x7fe59191608e
[    3.127270] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.127358] RSP: 002b:00007fffe7a803a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.127397] RAX: ffffffffffffffda RBX: 00007fffe7a80b58 RCX: 00007fe59191608e
[    3.127436] RDX: 0000000000000000 RSI: 00007fffe7a80450 RDI: 0000000000000005
[    3.127474] RBP: 00007fffe7a803b0 R08: 0000000000000000 R09: 0000000000000000
[    3.127515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.127554] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe7a80b10
| [    3.127641] ------------[ cut here ]------------
| [    3.127669] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/305
| [    3.127719] Modules linked in: ipvtap ipvlan
| [    3.127804] Tainted: [W]=WARN
[    3.127825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.127859] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.127885] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.127971] RSP: 0018:ff75ca83c06e7870 EFLAGS: 00010286
[    3.128000] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.128039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062d00
[    3.128076] RBP: 0000000000000000 R08: ff3addb94a4c4550 R09: ff3addb94a606030
[    3.128115] R10: ff3addb94a616120 R11: fefefefefefefeff R12: 0000000000000000
[    3.128158] R13: 0000000000000010 R14: ff3addb94a616000 R15: ff3addb942062d00
[    3.128195] FS:  00007fe5916dc840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.128235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.128267] CR2: 0000000000445730 CR3: 000000000a54a006 CR4: 0000000000771ef0
[    3.128307] PKRU: 55555554
[    3.128323] Call Trace:
[    3.128338]  <TASK>
[    3.128353]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.128375]  __dev_notify_flags (net/core/dev.c:9787)
[    3.128396]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.128418]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.128439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.128466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.128487]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.128513]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.128540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.128563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.128584]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.128605]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.128626]  ___sys_sendmsg (net/socket.c:2752)
[    3.128648]  __sys_sendmsg (net/socket.c:2784)
[    3.128669]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.128690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.128720] RIP: 0033:0x7fe59191608e
[    3.128740] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.128828] RSP: 002b:00007fffe7a803a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.128872] RAX: ffffffffffffffda RBX: 00007fffe7a80b58 RCX: 00007fe59191608e
[    3.128916] RDX: 0000000000000000 RSI: 00007fffe7a80450 RDI: 0000000000000005
[    3.128955] RBP: 00007fffe7a803b0 R08: 0000000000000000 R09: 0000000000000000
[    3.128995] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.129032] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe7a80b10
| [    3.134153] ------------[ cut here ]------------
| [    3.134193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/307
| [    3.134243] Modules linked in: ipvtap ipvlan
| [    3.134326] Tainted: [W]=WARN
[    3.134348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.134379] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.134409] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.134502] RSP: 0018:ff75ca83c06f7cb8 EFLAGS: 00010286
[    3.134531] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.134569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    3.134609] RBP: 0000000000000000 R08: ff3addb94a645910 R09: ff3addb94a3b502c
[    3.134648] R10: ff3addb94a3b0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.134688] R13: 0000000000000010 R14: ff3addb94a3b0000 R15: ff3addb941df5500
[    3.134731] FS:  00007f2762778840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.134775] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.134809] CR2: 00007f27629827d0 CR3: 000000000a53b006 CR4: 0000000000771ef0
[    3.134848] PKRU: 55555554
[    3.134863] Call Trace:
[    3.134879]  <TASK>
[    3.134895]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.134917]  register_netdevice (net/core/dev.c:11488)
[    3.134942]  register_netdev (net/core/dev.c:11552)
[    3.134962]  loopback_net_init (drivers/net/loopback.c:218)
[    3.134985]  ops_init (net/core/net_namespace.c:137)
[    3.135010]  setup_net (net/core/net_namespace.c:446)
[    3.135030]  copy_net_ns (net/core/net_namespace.c:579)
[    3.135054]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.135082]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.135110]  ksys_unshare (kernel/fork.c:3243)
[    3.135131]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.135152]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.135173]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.135202] RIP: 0033:0x7f2762a3abcb
[    3.135224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.135321] RSP: 002b:00007ffd70ca8db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.135363] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2762a3abcb
[    3.135402] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.135445] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.135486] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd70caafe0
[    3.135526] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd70cab8b8
| [    3.135651] ------------[ cut here ]------------
| [    3.135681] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/307
| [    3.135734] Modules linked in: ipvtap ipvlan
| [    3.135817] Tainted: [W]=WARN
[    3.135843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.135876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.135904] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.135999] RSP: 0018:ff75ca83c06f7c10 EFLAGS: 00010286
[    3.136027] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.136069] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fe700
[    3.136108] RBP: 0000000000000000 R08: ff3addb94a645810 R09: ff3addb94a3be830
[    3.136149] R10: ff3addb94a3b5120 R11: fefefefefefefeff R12: 0000000000000000
[    3.136192] R13: 0000000000000010 R14: ff3addb94a3b5000 R15: ff3addb9418fe700
[    3.136232] FS:  00007f2762778840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.136275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.136321] CR2: 00007f27629827d0 CR3: 000000000a53b006 CR4: 0000000000771ef0
[    3.136364] PKRU: 55555554
[    3.136378] Call Trace:
[    3.136393]  <TASK>
[    3.136405]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.136424]  register_netdevice (net/core/dev.c:11488)
[    3.136447]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.136468]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.136490]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.136516]  ops_init (net/core/net_namespace.c:137)
[    3.136537]  setup_net (net/core/net_namespace.c:446)
[    3.136565]  copy_net_ns (net/core/net_namespace.c:579)
[    3.136591]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.136621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.136649]  ksys_unshare (kernel/fork.c:3243)
[    3.136671]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.136700]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.136729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.136758] RIP: 0033:0x7f2762a3abcb
[    3.136779] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.136867] RSP: 002b:00007ffd70ca8db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.136909] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2762a3abcb
[    3.136949] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.136992] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.137036] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd70caafe0
[    3.137074] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd70cab8b8
| [    3.137211] ------------[ cut here ]------------
| [    3.137242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/307
| [    3.137293] Modules linked in: ipvtap ipvlan
| [    3.137375] Tainted: [W]=WARN
[    3.137396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.137428] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.137454] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.137545] RSP: 0018:ff75ca83c06f7bf0 EFLAGS: 00010286
[    3.137574] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.137614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fae00
[    3.137655] RBP: 0000000000000000 R08: ff3addb94a645710 R09: ff3addb94a3bc830
[    3.137696] R10: ff3addb94a3b4120 R11: fefefefefefefeff R12: 0000000000000000
[    3.137739] R13: 0000000000000010 R14: ff3addb94a3b4000 R15: ff3addb9418fae00
[    3.137784] FS:  00007f2762778840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.137834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.137868] CR2: 00007f27629827d0 CR3: 000000000a53b006 CR4: 0000000000771ef0
[    3.137910] PKRU: 55555554
[    3.137925] Call Trace:
[    3.137940]  <TASK>
[    3.137953]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.137972]  register_netdevice (net/core/dev.c:11488)
[    3.137996]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.138018]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.138040]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.138061]  ops_init (net/core/net_namespace.c:137)
[    3.138084]  setup_net (net/core/net_namespace.c:446)
[    3.138108]  copy_net_ns (net/core/net_namespace.c:579)
[    3.138130]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.138157]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.138185]  ksys_unshare (kernel/fork.c:3243)
[    3.138206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.138230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.138254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.138283] RIP: 0033:0x7f2762a3abcb
[    3.138304] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.138393] RSP: 002b:00007ffd70ca8db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.138429] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2762a3abcb
[    3.138467] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.138508] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.138553] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd70caafe0
[    3.138597] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd70cab8b8
| [    3.138717] ------------[ cut here ]------------
| [    3.138746] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/307
| [    3.138791] Modules linked in: ipvtap ipvlan
| [    3.138867] Tainted: [W]=WARN
[    3.138885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.138918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.138950] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.139046] RSP: 0018:ff75ca83c06f7ca8 EFLAGS: 00010286
[    3.139072] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.139110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fa600
[    3.139152] RBP: 0000000000000000 R08: ff3addb94a645650 R09: ff3addb94a690034
[    3.139191] R10: ff3addb94a693120 R11: fefefefefefefeff R12: 0000000000000000
[    3.139231] R13: 0000000000000010 R14: ff3addb94a693000 R15: ff3addb9418fa600
[    3.139278] FS:  00007f2762778840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.139320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.139356] CR2: 00007f27629827d0 CR3: 000000000a53b006 CR4: 0000000000771ef0
[    3.139396] PKRU: 55555554
[    3.139412] Call Trace:
[    3.139425]  <TASK>
[    3.139440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.139460]  register_netdevice (net/core/dev.c:11488)
[    3.139482]  register_netdev (net/core/dev.c:11552)
[    3.139503]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.139525]  ops_init (net/core/net_namespace.c:137)
[    3.139545]  setup_net (net/core/net_namespace.c:446)
[    3.139566]  copy_net_ns (net/core/net_namespace.c:579)
[    3.139587]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.139614]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.139640]  ksys_unshare (kernel/fork.c:3243)
[    3.139660]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.139680]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.139700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.139728] RIP: 0033:0x7f2762a3abcb
[    3.139750] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.139838] RSP: 002b:00007ffd70ca8db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.139879] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2762a3abcb
[    3.139918] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.139960] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.140003] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd70caafe0
[    3.140042] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd70cab8b8
| [    3.140174] ------------[ cut here ]------------
| [    3.140200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/307
| [    3.140244] Modules linked in: ipvtap ipvlan
| [    3.140323] Tainted: [W]=WARN
[    3.140342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.140373] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.140401] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.140492] RSP: 0018:ff75ca83c06f7ca0 EFLAGS: 00010286
[    3.140519] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.140558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5900
[    3.140599] RBP: 0000000000000000 R08: ff3addb94a645550 R09: ff3addb94a695030
[    3.140644] R10: ff3addb94a690120 R11: fefefefefefefeff R12: 0000000000000000
[    3.140684] R13: 0000000000000010 R14: ff3addb94a690000 R15: ff3addb941df5900
[    3.140727] FS:  00007f2762778840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.140766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.140799] CR2: 00007f27629827d0 CR3: 000000000a53b006 CR4: 0000000000771ef0
[    3.140840] PKRU: 55555554
[    3.140855] Call Trace:
[    3.140869]  <TASK>
[    3.140885]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.140905]  register_netdevice (net/core/dev.c:11488)
[    3.140933]  register_netdev (net/core/dev.c:11552)
[    3.140955]  sit_init_net (net/ipv6/sit.c:1860)
[    3.140981]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.141007]  ops_init (net/core/net_namespace.c:137)
[    3.141028]  setup_net (net/core/net_namespace.c:446)
[    3.141049]  copy_net_ns (net/core/net_namespace.c:579)
[    3.141070]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.141096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.141122]  ksys_unshare (kernel/fork.c:3243)
[    3.141142]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.141162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.141184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.141210] RIP: 0033:0x7f2762a3abcb
[    3.141228] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.141316] RSP: 002b:00007ffd70ca8db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.141355] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2762a3abcb
[    3.141392] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.141431] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.141470] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd70caafe0
[    3.141511] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd70cab8b8
| [    3.141649] ------------[ cut here ]------------
| [    3.141681] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/307
| [    3.141730] Modules linked in: ipvtap ipvlan
| [    3.141806] Tainted: [W]=WARN
[    3.141827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.141859] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.141887] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.141972] RSP: 0018:ff75ca83c06f7ca8 EFLAGS: 00010286
[    3.142003] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.142043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941905900
[    3.142082] RBP: 0000000000000000 R08: ff3addb94a645450 R09: ff3addb94a6a2030
[    3.142124] R10: ff3addb94a695120 R11: fefefefefefefeff R12: 0000000000000000
[    3.142166] R13: 0000000000000010 R14: ff3addb94a695000 R15: ff3addb941905900
[    3.142209] FS:  00007f2762778840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.142248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.142282] CR2: 00007f27629827d0 CR3: 000000000a53b006 CR4: 0000000000771ef0
[    3.142320] PKRU: 55555554
[    3.142335] Call Trace:
[    3.142347]  <TASK>
[    3.142359]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.142380]  register_netdevice (net/core/dev.c:11488)
[    3.142405]  register_netdev (net/core/dev.c:11552)
[    3.142425]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.142447]  ops_init (net/core/net_namespace.c:137)
[    3.142469]  setup_net (net/core/net_namespace.c:446)
[    3.142494]  copy_net_ns (net/core/net_namespace.c:579)
[    3.142517]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.142545]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.142573]  ksys_unshare (kernel/fork.c:3243)
[    3.142593]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.142615]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.142637]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.142668] RIP: 0033:0x7f2762a3abcb
[    3.142690] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.142781] RSP: 002b:00007ffd70ca8db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.142823] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2762a3abcb
[    3.142862] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.142903] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.142947] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd70caafe0
[    3.142985] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd70cab8b8
| [    3.146405] ------------[ cut here ]------------
| [    3.146469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/308
| [    3.146556] Modules linked in: ipvtap ipvlan
| [    3.146715] Tainted: [W]=WARN
[    3.146777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.146847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.146915] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.147047] RSP: 0018:ff75ca83c06f7720 EFLAGS: 00010286
[    3.147113] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.147187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061300
[    3.147264] RBP: 0000000000000000 R08: ff3addb94a645910 R09: ff3addb94a51e02c
[    3.147341] R10: ff3addb94a3b0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.147418] R13: 0000000000000010 R14: ff3addb94a3b0000 R15: ff3addb942061300
[    3.147499] FS:  00007f4307ab5840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.147577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.147650] CR2: 000000000a694988 CR3: 000000000a42f001 CR4: 0000000000771ef0
[    3.147731] PKRU: 55555554
[    3.147780] Call Trace:
[    3.147832]  <TASK>
[    3.147885]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.147954]  __dev_notify_flags (net/core/dev.c:9787)
[    3.148019]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.148082]  netif_change_flags (net/core/dev.c:9820)
[    3.148146]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.148206]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.148274]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.148337]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.148397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.148472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.148531]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.148593]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.148659]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.148721]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.148780]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.148840]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.148903]  ___sys_sendmsg (net/socket.c:2752)
[    3.148974]  __sys_sendmsg (net/socket.c:2784)
[    3.149040]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.149100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.149166] RIP: 0033:0x7f4307cef08e
[    3.149227] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.149346] RSP: 002b:00007ffc8e6aeb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.149425] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4307cef08e
[    3.149499] RDX: 0000000000000000 RSI: 00007ffc8e6aec10 RDI: 0000000000000005
[    3.149573] RBP: 00007ffc8e6aeb70 R08: 0000000000000000 R09: 0000000000000000
[    3.149650] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.149726] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8e6af2e0
| [    3.164213] ------------[ cut here ]------------
| [    3.164253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/311
| [    3.164304] Modules linked in: ipvtap ipvlan
| [    3.164392] Tainted: [W]=WARN
[    3.164414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.164448] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.164477] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.164566] RSP: 0018:ff75ca83c070f798 EFLAGS: 00010286
[    3.164593] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.164633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.164671] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a604034
[    3.164708] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.164753] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb943040100
[    3.164796] FS:  00007fc49a8c2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.164841] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.164877] CR2: 0000000000445730 CR3: 000000000a5cd001 CR4: 0000000000771ef0
[    3.164925] PKRU: 55555554
[    3.164938] Call Trace:
[    3.164955]  <TASK>
[    3.164970]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.165000]  notifier_call_chain (kernel/notifier.c:85)
[    3.165023]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.165052]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.165081] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.165111] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.165146]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.165170]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.165200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.165226]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.165259]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.165288]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.165311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.165334]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.165356]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.165378]  ___sys_sendmsg (net/socket.c:2752)
[    3.165400]  __sys_sendmsg (net/socket.c:2784)
[    3.165424]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.165444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.165470] RIP: 0033:0x7fc49aafc08e
[    3.165492] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.165586] RSP: 002b:00007ffc98bfeb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.165624] RAX: ffffffffffffffda RBX: 00007ffc98bff2b8 RCX: 00007fc49aafc08e
[    3.165665] RDX: 0000000000000000 RSI: 00007ffc98bfebb0 RDI: 0000000000000005
[    3.165705] RBP: 00007ffc98bfeb10 R08: 0000000000000000 R09: 0000000000000000
[    3.165745] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.165785] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc98bff270
| [    3.165872] ------------[ cut here ]------------
| [    3.165900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/311
| [    3.165953] Modules linked in: ipvtap ipvlan
| [    3.166043] Tainted: [W]=WARN
[    3.166062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.166095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.166121] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.166209] RSP: 0018:ff75ca83c070f870 EFLAGS: 00010286
[    3.166240] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.166278] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.166323] RBP: 0000000000000000 R08: ff3addb94a413250 R09: ff3addb94a604030
[    3.166364] R10: ff3addb94a614120 R11: fefefefefefefeff R12: 0000000000000000
[    3.166401] R13: 0000000000000010 R14: ff3addb94a614000 R15: ff3addb943040100
[    3.166442] FS:  00007fc49a8c2840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.166482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.166517] CR2: 0000000000445730 CR3: 000000000a5cd001 CR4: 0000000000771ef0
[    3.166558] PKRU: 55555554
[    3.166571] Call Trace:
[    3.166585]  <TASK>
[    3.166601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.166625]  __dev_notify_flags (net/core/dev.c:9787)
[    3.166647]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.166671]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.166696]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.166725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.166749]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.166777]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.166805]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.166830]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.166849]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.166872]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.166894]  ___sys_sendmsg (net/socket.c:2752)
[    3.166916]  __sys_sendmsg (net/socket.c:2784)
[    3.166942]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.166966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.166994] RIP: 0033:0x7fc49aafc08e
[    3.167018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.167109] RSP: 002b:00007ffc98bfeb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.167156] RAX: ffffffffffffffda RBX: 00007ffc98bff2b8 RCX: 00007fc49aafc08e
[    3.167192] RDX: 0000000000000000 RSI: 00007ffc98bfebb0 RDI: 0000000000000005
[    3.167233] RBP: 00007ffc98bfeb10 R08: 0000000000000000 R09: 0000000000000000
[    3.167272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.167310] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc98bff270
| [    3.172453] ------------[ cut here ]------------
| [    3.172492] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/313
| [    3.172539] Modules linked in: ipvtap ipvlan
| [    3.172622] Tainted: [W]=WARN
[    3.172645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.172676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.172702] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.172787] RSP: 0018:ff75ca83c071fcb8 EFLAGS: 00010286
[    3.172814] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.172852] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.172892] RBP: 0000000000000000 R08: ff3addb94a638910 R09: ff3addb94a75e02c
[    3.172936] R10: ff3addb94a759120 R11: fefefefefefefeff R12: 0000000000000000
[    3.172973] R13: 0000000000000010 R14: ff3addb94a759000 R15: ff3addb943040100
[    3.173019] FS:  00007f6621b2d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.173059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.173091] CR2: 00007f6621d2ec20 CR3: 000000000a5cd003 CR4: 0000000000771ef0
[    3.173128] PKRU: 55555554
[    3.173142] Call Trace:
[    3.173155]  <TASK>
[    3.173167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.173188]  register_netdevice (net/core/dev.c:11488)
[    3.173207]  register_netdev (net/core/dev.c:11552)
[    3.173227]  loopback_net_init (drivers/net/loopback.c:218)
[    3.173250]  ops_init (net/core/net_namespace.c:137)
[    3.173272]  setup_net (net/core/net_namespace.c:446)
[    3.173293]  copy_net_ns (net/core/net_namespace.c:579)
[    3.173314]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.173341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.173368]  ksys_unshare (kernel/fork.c:3243)
[    3.173390]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.173410]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.173431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.173459] RIP: 0033:0x7f6621defbcb
[    3.173479] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.173567] RSP: 002b:00007ffebb5a1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.173610] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6621defbcb
[    3.173649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.173693] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.173730] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebb5a4000
[    3.173766] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebb5a48b8
| [    3.173896] ------------[ cut here ]------------
| [    3.173931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/313
| [    3.173976] Modules linked in: ipvtap ipvlan
| [    3.174059] Tainted: [W]=WARN
[    3.174080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.174112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.174138] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.174228] RSP: 0018:ff75ca83c071fc10 EFLAGS: 00010286
[    3.174257] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.174297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062200
[    3.174336] RBP: 0000000000000000 R08: ff3addb94a638850 R09: ff3addb94a764830
[    3.174373] R10: ff3addb94a75e120 R11: fefefefefefefeff R12: 0000000000000000
[    3.174418] R13: 0000000000000010 R14: ff3addb94a75e000 R15: ff3addb942062200
[    3.174457] FS:  00007f6621b2d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.174502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.174536] CR2: 00007f6621d2ec20 CR3: 000000000a5cd003 CR4: 0000000000771ef0
[    3.174581] PKRU: 55555554
[    3.174595] Call Trace:
[    3.174613]  <TASK>
[    3.174630]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.174651]  register_netdevice (net/core/dev.c:11488)
[    3.174672]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.174695]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.174717]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.174736]  ops_init (net/core/net_namespace.c:137)
[    3.174758]  setup_net (net/core/net_namespace.c:446)
[    3.174776]  copy_net_ns (net/core/net_namespace.c:579)
[    3.174799]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.174824]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.174848]  ksys_unshare (kernel/fork.c:3243)
[    3.174869]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.174888]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.174909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.174936] RIP: 0033:0x7f6621defbcb
[    3.174955] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.175046] RSP: 002b:00007ffebb5a1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.175086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6621defbcb
[    3.175123] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.175162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.175202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebb5a4000
[    3.175247] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebb5a48b8
| [    3.175362] ------------[ cut here ]------------
| [    3.175389] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/313
| [    3.175434] Modules linked in: ipvtap ipvlan
| [    3.175512] Tainted: [W]=WARN
[    3.175533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.175565] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.175590] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.175678] RSP: 0018:ff75ca83c071fbf0 EFLAGS: 00010286
[    3.175703] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.175744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063900
[    3.175784] RBP: 0000000000000000 R08: ff3addb94a6450d0 R09: ff3addb94a762830
[    3.175823] R10: ff3addb94a75d120 R11: fefefefefefefeff R12: 0000000000000000
[    3.175867] R13: 0000000000000010 R14: ff3addb94a75d000 R15: ff3addb942063900
[    3.175908] FS:  00007f6621b2d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.175947] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.175984] CR2: 00007f6621d2ec20 CR3: 000000000a5cd003 CR4: 0000000000771ef0
[    3.176029] PKRU: 55555554
[    3.176044] Call Trace:
[    3.176059]  <TASK>
[    3.176071]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.176091]  register_netdevice (net/core/dev.c:11488)
[    3.176110]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.176131]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.176152]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.176173]  ops_init (net/core/net_namespace.c:137)
[    3.176195]  setup_net (net/core/net_namespace.c:446)
[    3.176216]  copy_net_ns (net/core/net_namespace.c:579)
[    3.176237]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.176263]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.176294]  ksys_unshare (kernel/fork.c:3243)
[    3.176316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.176337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.176358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.176384] RIP: 0033:0x7f6621defbcb
[    3.176406] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.176494] RSP: 002b:00007ffebb5a1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.176535] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6621defbcb
[    3.176575] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.176618] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.176657] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebb5a4000
[    3.176697] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebb5a48b8
| [    3.176827] ------------[ cut here ]------------
| [    3.176853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/313
| [    3.176903] Modules linked in: ipvtap ipvlan
| [    3.176981] Tainted: [W]=WARN
[    3.177005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.177036] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.177068] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.177152] RSP: 0018:ff75ca83c071fca8 EFLAGS: 00010286
[    3.177178] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.177214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063000
[    3.177256] RBP: 0000000000000000 R08: ff3addb94a4c4590 R09: ff3addb94a769034
[    3.177298] R10: ff3addb94a75c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.177336] R13: 0000000000000010 R14: ff3addb94a75c000 R15: ff3addb942063000
[    3.177375] FS:  00007f6621b2d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.177413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.177451] CR2: 00007f6621d2ec20 CR3: 000000000a5cd003 CR4: 0000000000771ef0
[    3.177494] PKRU: 55555554
[    3.177506] Call Trace:
[    3.177521]  <TASK>
[    3.177537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.177560]  register_netdevice (net/core/dev.c:11488)
[    3.177583]  register_netdev (net/core/dev.c:11552)
[    3.177608]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.177632]  ops_init (net/core/net_namespace.c:137)
[    3.177653]  setup_net (net/core/net_namespace.c:446)
[    3.177680]  copy_net_ns (net/core/net_namespace.c:579)
[    3.177702]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.177731]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.177760]  ksys_unshare (kernel/fork.c:3243)
[    3.177782]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.177806]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.177828]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.177859] RIP: 0033:0x7f6621defbcb
[    3.177881] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.177973] RSP: 002b:00007ffebb5a1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.178018] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6621defbcb
[    3.178057] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.178094] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.178138] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebb5a4000
[    3.178181] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebb5a48b8
| [    3.178361] ------------[ cut here ]------------
| [    3.178389] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/313
| [    3.178441] Modules linked in: ipvtap ipvlan
| [    3.178527] Tainted: [W]=WARN
[    3.178548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.178581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.178609] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.178696] RSP: 0018:ff75ca83c071fca0 EFLAGS: 00010286
[    3.178728] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.178766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.178809] RBP: 0000000000000000 R08: ff3addb94a4c4490 R09: ff3addb94a76e030
[    3.178847] R10: ff3addb94a769120 R11: fefefefefefefeff R12: 0000000000000000
[    3.178885] R13: 0000000000000010 R14: ff3addb94a769000 R15: ff3addb943040100
[    3.178928] FS:  00007f6621b2d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.178968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.179003] CR2: 00007f6621d2ec20 CR3: 000000000a5cd003 CR4: 0000000000771ef0
[    3.179041] PKRU: 55555554
[    3.179054] Call Trace:
[    3.179071]  <TASK>
[    3.179086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.179105]  register_netdevice (net/core/dev.c:11488)
[    3.179127]  register_netdev (net/core/dev.c:11552)
[    3.179145]  sit_init_net (net/ipv6/sit.c:1860)
[    3.179167]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.179188]  ops_init (net/core/net_namespace.c:137)
[    3.179210]  setup_net (net/core/net_namespace.c:446)
[    3.179231]  copy_net_ns (net/core/net_namespace.c:579)
[    3.179251]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.179279]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.179305]  ksys_unshare (kernel/fork.c:3243)
[    3.179326]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.179347]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.179368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.179394] RIP: 0033:0x7f6621defbcb
[    3.179415] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.179507] RSP: 002b:00007ffebb5a1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.179546] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6621defbcb
[    3.179586] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.179622] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.179661] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebb5a4000
[    3.179701] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebb5a48b8
| [    3.179855] ------------[ cut here ]------------
| [    3.179882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/313
| [    3.179935] Modules linked in: ipvtap ipvlan
| [    3.180021] Tainted: [W]=WARN
[    3.180043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.180074] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.180102] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.180187] RSP: 0018:ff75ca83c071fca8 EFLAGS: 00010286
[    3.180213] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.180251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061c00
[    3.180289] RBP: 0000000000000000 R08: ff3addb94a339cd0 R09: ff3addb94a77b030
[    3.180332] R10: ff3addb94a76e120 R11: fefefefefefefeff R12: 0000000000000000
[    3.180374] R13: 0000000000000010 R14: ff3addb94a76e000 R15: ff3addb942061c00
[    3.180415] FS:  00007f6621b2d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.180453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.180486] CR2: 00007f6621d2ec20 CR3: 000000000a5cd003 CR4: 0000000000771ef0
[    3.180522] PKRU: 55555554
[    3.180536] Call Trace:
[    3.180549]  <TASK>
[    3.180564]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.180584]  register_netdevice (net/core/dev.c:11488)
[    3.180605]  register_netdev (net/core/dev.c:11552)
[    3.180625]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.180647]  ops_init (net/core/net_namespace.c:137)
[    3.180666]  setup_net (net/core/net_namespace.c:446)
[    3.180686]  copy_net_ns (net/core/net_namespace.c:579)
[    3.180708]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.180733]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.180759]  ksys_unshare (kernel/fork.c:3243)
[    3.180778]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.180800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.180820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.180849] RIP: 0033:0x7f6621defbcb
[    3.180876] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.180969] RSP: 002b:00007ffebb5a1dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.181014] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6621defbcb
[    3.181057] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.181097] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.181136] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebb5a4000
[    3.181174] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebb5a48b8
| [    3.184401] ------------[ cut here ]------------
| [    3.184467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/314
| [    3.184554] Modules linked in: ipvtap ipvlan
| [    3.184710] Tainted: [W]=WARN
[    3.184770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.184841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.184906] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.185049] RSP: 0018:ff75ca83c0727720 EFLAGS: 00010286
[    3.185113] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.185187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.185264] RBP: 0000000000000000 R08: ff3addb94a638910 R09: ff3addb94a51e02c
[    3.185341] R10: ff3addb94a759120 R11: fefefefefefefeff R12: 0000000000000000
[    3.185419] R13: 0000000000000010 R14: ff3addb94a759000 R15: ff3addb942061100
[    3.185497] FS:  00007f1cddf0f840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.185573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.185641] CR2: 000000001f959988 CR3: 000000000a4b9003 CR4: 0000000000771ef0
[    3.185719] PKRU: 55555554
[    3.185771] Call Trace:
[    3.185822]  <TASK>
[    3.185874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.185939]  __dev_notify_flags (net/core/dev.c:9787)
[    3.186005]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.186065]  netif_change_flags (net/core/dev.c:9820)
[    3.186123]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.186187]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.186256]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.186318]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.186378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.186450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.186512]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.186572]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.186638]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.186697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.186756]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.186819]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.186882]  ___sys_sendmsg (net/socket.c:2752)
[    3.186949]  __sys_sendmsg (net/socket.c:2784)
[    3.187014]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.187074]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.187141] RIP: 0033:0x7f1cde14908e
[    3.187198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.187320] RSP: 002b:00007ffd9ed4e550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.187396] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1cde14908e
[    3.187474] RDX: 0000000000000000 RSI: 00007ffd9ed4e600 RDI: 0000000000000005
[    3.187549] RBP: 00007ffd9ed4e560 R08: 0000000000000000 R09: 0000000000000000
[    3.187638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.187713] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9ed4ecd0
| [    3.201724] ------------[ cut here ]------------
| [    3.201763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/317
| [    3.201812] Modules linked in: ipvtap ipvlan
| [    3.201894] Tainted: [W]=WARN
[    3.201914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.201951] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.201981] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.202074] RSP: 0018:ff75ca83c073f798 EFLAGS: 00010286
[    3.202103] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.202144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062800
[    3.202182] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a779034
[    3.202228] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.202266] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942062800
[    3.202307] FS:  00007fca84746840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.202351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.202385] CR2: 0000000000445730 CR3: 000000000a6d1004 CR4: 0000000000771ef0
[    3.202427] PKRU: 55555554
[    3.202442] Call Trace:
[    3.202456]  <TASK>
[    3.202473]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.202496]  notifier_call_chain (kernel/notifier.c:85)
[    3.202518]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.202548]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.202579] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.202611] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.202640]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.202662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.202695]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.202718]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.202745]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.202774]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.202797]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.202819]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.202842]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.202864]  ___sys_sendmsg (net/socket.c:2752)
[    3.202886]  __sys_sendmsg (net/socket.c:2784)
[    3.202908]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.202932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.202960] RIP: 0033:0x7fca8498008e
[    3.202985] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.203083] RSP: 002b:00007ffe73a85df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.203126] RAX: ffffffffffffffda RBX: 00007ffe73a865a8 RCX: 00007fca8498008e
[    3.203168] RDX: 0000000000000000 RSI: 00007ffe73a85ea0 RDI: 0000000000000005
[    3.203205] RBP: 00007ffe73a85e00 R08: 0000000000000000 R09: 0000000000000000
[    3.203245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.203283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe73a86560
| [    3.203370] ------------[ cut here ]------------
| [    3.203396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/317
| [    3.203443] Modules linked in: ipvtap ipvlan
| [    3.203521] Tainted: [W]=WARN
[    3.203543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.203576] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.203600] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.203689] RSP: 0018:ff75ca83c073f870 EFLAGS: 00010286
[    3.203718] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.203756] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062f00
[    3.203794] RBP: 0000000000000000 R08: ff3addb943369490 R09: ff3addb94a779030
[    3.203834] R10: ff3addb94a754120 R11: fefefefefefefeff R12: 0000000000000000
[    3.203876] R13: 0000000000000010 R14: ff3addb94a754000 R15: ff3addb942062f00
[    3.203919] FS:  00007fca84746840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.203966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.204005] CR2: 0000000000445730 CR3: 000000000a6d1004 CR4: 0000000000771ef0
[    3.204047] PKRU: 55555554
[    3.204062] Call Trace:
[    3.204074]  <TASK>
[    3.204093]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.204118]  __dev_notify_flags (net/core/dev.c:9787)
[    3.204139]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.204161]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.204182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.204208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.204230]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.204257]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.204283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.204304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.204323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.204344]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.204363]  ___sys_sendmsg (net/socket.c:2752)
[    3.204384]  __sys_sendmsg (net/socket.c:2784)
[    3.204403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.204423]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.204450] RIP: 0033:0x7fca8498008e
[    3.204469] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.204565] RSP: 002b:00007ffe73a85df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.204604] RAX: ffffffffffffffda RBX: 00007ffe73a865a8 RCX: 00007fca8498008e
[    3.204647] RDX: 0000000000000000 RSI: 00007ffe73a85ea0 RDI: 0000000000000005
[    3.204684] RBP: 00007ffe73a85e00 R08: 0000000000000000 R09: 0000000000000000
[    3.204721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.204759] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe73a86560
| [    3.209827] ------------[ cut here ]------------
| [    3.209864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/319
| [    3.209929] Modules linked in: ipvtap ipvlan
| [    3.210018] Tainted: [W]=WARN
[    3.210041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.210072] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.210099] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.210186] RSP: 0018:ff75ca83c074fcb8 EFLAGS: 00010286
[    3.210213] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.210251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.210293] RBP: 0000000000000000 R08: ff3addb943173d50 R09: ff3addb94acd702c
[    3.210331] R10: ff3addb94acd2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.210371] R13: 0000000000000010 R14: ff3addb94acd2000 R15: ff3addb943040100
[    3.210418] FS:  00007fa6a0105840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.210459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.210498] CR2: 00007fa6a0311690 CR3: 000000000a6d1006 CR4: 0000000000771ef0
[    3.210537] PKRU: 55555554
[    3.210551] Call Trace:
[    3.210566]  <TASK>
[    3.210578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.210599]  register_netdevice (net/core/dev.c:11488)
[    3.210623]  register_netdev (net/core/dev.c:11552)
[    3.210643]  loopback_net_init (drivers/net/loopback.c:218)
[    3.210665]  ops_init (net/core/net_namespace.c:137)
[    3.210687]  setup_net (net/core/net_namespace.c:446)
[    3.210709]  copy_net_ns (net/core/net_namespace.c:579)
[    3.210730]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.210755]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.210784]  ksys_unshare (kernel/fork.c:3243)
[    3.210805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.210826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.210847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.210873] RIP: 0033:0x7fa6a03c7bcb
[    3.210893] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.210990] RSP: 002b:00007ffd03abbe68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.211030] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa6a03c7bcb
[    3.211068] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.211110] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.211148] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03abe090
[    3.211190] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03abf8b8
| [    3.211324] ------------[ cut here ]------------
| [    3.211351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/319
| [    3.211395] Modules linked in: ipvtap ipvlan
| [    3.211477] Tainted: [W]=WARN
[    3.211498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.211529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.211561] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.211647] RSP: 0018:ff75ca83c074fc10 EFLAGS: 00010286
[    3.211678] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.211713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063000
[    3.211757] RBP: 0000000000000000 R08: ff3addb94a54e4d0 R09: ff3addb94ace3830
[    3.211798] R10: ff3addb94acd7120 R11: fefefefefefefeff R12: 0000000000000000
[    3.211837] R13: 0000000000000010 R14: ff3addb94acd7000 R15: ff3addb942063000
[    3.211880] FS:  00007fa6a0105840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.211928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.211960] CR2: 00007fa6a0311690 CR3: 000000000a6d1006 CR4: 0000000000771ef0
[    3.212009] PKRU: 55555554
[    3.212027] Call Trace:
[    3.212041]  <TASK>
[    3.212056]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.212077]  register_netdevice (net/core/dev.c:11488)
[    3.212098]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.212120]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.212140]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.212161]  ops_init (net/core/net_namespace.c:137)
[    3.212180]  setup_net (net/core/net_namespace.c:446)
[    3.212202]  copy_net_ns (net/core/net_namespace.c:579)
[    3.212224]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.212250]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.212275]  ksys_unshare (kernel/fork.c:3243)
[    3.212297]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.212315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.212335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.212362] RIP: 0033:0x7fa6a03c7bcb
[    3.212385] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.212474] RSP: 002b:00007ffd03abbe68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.212511] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa6a03c7bcb
[    3.212546] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.212589] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.212630] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03abe090
[    3.212665] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03abf8b8
| [    3.212781] ------------[ cut here ]------------
| [    3.212813] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/319
| [    3.212856] Modules linked in: ipvtap ipvlan
| [    3.212936] Tainted: [W]=WARN
[    3.212960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.212996] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.213023] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.213106] RSP: 0018:ff75ca83c074fbf0 EFLAGS: 00010286
[    3.213129] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.213169] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063700
[    3.213208] RBP: 0000000000000000 R08: ff3addb94a3396d0 R09: ff3addb94ace1830
[    3.213253] R10: ff3addb94acd6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.213290] R13: 0000000000000010 R14: ff3addb94acd6000 R15: ff3addb942063700
[    3.213327] FS:  00007fa6a0105840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.213370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.213407] CR2: 00007fa6a0311690 CR3: 000000000a6d1006 CR4: 0000000000771ef0
[    3.213450] PKRU: 55555554
[    3.213465] Call Trace:
[    3.213481]  <TASK>
[    3.213499]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.213520]  register_netdevice (net/core/dev.c:11488)
[    3.213542]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.213564]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.213586]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.213608]  ops_init (net/core/net_namespace.c:137)
[    3.213629]  setup_net (net/core/net_namespace.c:446)
[    3.213649]  copy_net_ns (net/core/net_namespace.c:579)
[    3.213670]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.213697]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.213725]  ksys_unshare (kernel/fork.c:3243)
[    3.213744]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.213765]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.213785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.213811] RIP: 0033:0x7fa6a03c7bcb
[    3.213831] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.213915] RSP: 002b:00007ffd03abbe68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.213956] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa6a03c7bcb
[    3.213998] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.214037] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.214074] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03abe090
[    3.214112] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03abf8b8
| [    3.214245] ------------[ cut here ]------------
| [    3.214271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/319
| [    3.214312] Modules linked in: ipvtap ipvlan
| [    3.214392] Tainted: [W]=WARN
[    3.214412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.214444] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.214469] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.214560] RSP: 0018:ff75ca83c074fca8 EFLAGS: 00010286
[    3.214590] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.214625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062200
[    3.214664] RBP: 0000000000000000 R08: ff3addb94453cf90 R09: ff3addb94acea034
[    3.214703] R10: ff3addb94acd5120 R11: fefefefefefefeff R12: 0000000000000000
[    3.214742] R13: 0000000000000010 R14: ff3addb94acd5000 R15: ff3addb942062200
[    3.214789] FS:  00007fa6a0105840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.214833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.214866] CR2: 00007fa6a0311690 CR3: 000000000a6d1006 CR4: 0000000000771ef0
[    3.214904] PKRU: 55555554
[    3.214919] Call Trace:
[    3.214934]  <TASK>
[    3.214948]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.214966]  register_netdevice (net/core/dev.c:11488)
[    3.214992]  register_netdev (net/core/dev.c:11552)
[    3.215014]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.215036]  ops_init (net/core/net_namespace.c:137)
[    3.215059]  setup_net (net/core/net_namespace.c:446)
[    3.215079]  copy_net_ns (net/core/net_namespace.c:579)
[    3.215100]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.215125]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.215151]  ksys_unshare (kernel/fork.c:3243)
[    3.215176]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.215196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.215216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.215240] RIP: 0033:0x7fa6a03c7bcb
[    3.215261] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.215342] RSP: 002b:00007ffd03abbe68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.215385] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa6a03c7bcb
[    3.215421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.215467] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.215508] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03abe090
[    3.215546] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03abf8b8
| [    3.215676] ------------[ cut here ]------------
| [    3.215702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/319
| [    3.215745] Modules linked in: ipvtap ipvlan
| [    3.215827] Tainted: [W]=WARN
[    3.215849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.215883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.215909] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.216014] RSP: 0018:ff75ca83c074fca0 EFLAGS: 00010286
[    3.216041] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.216078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.216121] RBP: 0000000000000000 R08: ff3addb94a413690 R09: ff3addb94acef030
[    3.216159] R10: ff3addb94acea120 R11: fefefefefefefeff R12: 0000000000000000
[    3.216198] R13: 0000000000000010 R14: ff3addb94acea000 R15: ff3addb943040100
[    3.216241] FS:  00007fa6a0105840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.216279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.216311] CR2: 00007fa6a0311690 CR3: 000000000a6d1006 CR4: 0000000000771ef0
[    3.216356] PKRU: 55555554
[    3.216370] Call Trace:
[    3.216385]  <TASK>
[    3.216396]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.216418]  register_netdevice (net/core/dev.c:11488)
[    3.216441]  register_netdev (net/core/dev.c:11552)
[    3.216461]  sit_init_net (net/ipv6/sit.c:1860)
[    3.216486]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.216511]  ops_init (net/core/net_namespace.c:137)
[    3.216535]  setup_net (net/core/net_namespace.c:446)
[    3.216559]  copy_net_ns (net/core/net_namespace.c:579)
[    3.216584]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.216610]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.216641]  ksys_unshare (kernel/fork.c:3243)
[    3.216667]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.216687]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.216708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.216734] RIP: 0033:0x7fa6a03c7bcb
[    3.216756] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.216846] RSP: 002b:00007ffd03abbe68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.216886] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa6a03c7bcb
[    3.216927] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.216964] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.217004] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03abe090
[    3.217043] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03abf8b8
| [    3.217161] ------------[ cut here ]------------
| [    3.217193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/319
| [    3.217236] Modules linked in: ipvtap ipvlan
| [    3.217316] Tainted: [W]=WARN
[    3.217341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.217376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.217405] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.217500] RSP: 0018:ff75ca83c074fca8 EFLAGS: 00010286
[    3.217524] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.217568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061500
[    3.217612] RBP: 0000000000000000 R08: ff3addb943173550 R09: ff3addb94acec030
[    3.217650] R10: ff3addb94acef120 R11: fefefefefefefeff R12: 0000000000000000
[    3.217693] R13: 0000000000000010 R14: ff3addb94acef000 R15: ff3addb942061500
[    3.217742] FS:  00007fa6a0105840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.217780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.217814] CR2: 00007fa6a0311690 CR3: 000000000a6d1006 CR4: 0000000000771ef0
[    3.217859] PKRU: 55555554
[    3.217874] Call Trace:
[    3.217886]  <TASK>
[    3.217899]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.217933]  register_netdevice (net/core/dev.c:11488)
[    3.217954]  register_netdev (net/core/dev.c:11552)
[    3.217972]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.217997]  ops_init (net/core/net_namespace.c:137)
[    3.218018]  setup_net (net/core/net_namespace.c:446)
[    3.218039]  copy_net_ns (net/core/net_namespace.c:579)
[    3.218061]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.218087]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.218113]  ksys_unshare (kernel/fork.c:3243)
[    3.218135]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.218154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.218180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.218206] RIP: 0033:0x7fa6a03c7bcb
[    3.218227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.218308] RSP: 002b:00007ffd03abbe68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.218349] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa6a03c7bcb
[    3.218387] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.218425] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.218463] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03abe090
[    3.218498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03abf8b8
| [    3.221797] ------------[ cut here ]------------
| [    3.221863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/320
| [    3.221961] Modules linked in: ipvtap ipvlan
| [    3.222129] Tainted: [W]=WARN
[    3.222189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.222260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.222326] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.222448] RSP: 0018:ff75ca83c0757720 EFLAGS: 00010286
[    3.222514] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.222589] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.222665] RBP: 0000000000000000 R08: ff3addb943173d50 R09: ff3addb94a51e02c
[    3.222740] R10: ff3addb94acd2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.222815] R13: 0000000000000010 R14: ff3addb94acd2000 R15: ff3addb942061100
[    3.222894] FS:  00007f8c84fe3840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.222982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.223058] CR2: 000000000e5fa988 CR3: 000000000a713005 CR4: 0000000000771ef0
[    3.223133] PKRU: 55555554
[    3.223184] Call Trace:
[    3.223235]  <TASK>
[    3.223287]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.223346]  __dev_notify_flags (net/core/dev.c:9787)
[    3.223404]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.223462]  netif_change_flags (net/core/dev.c:9820)
[    3.223522]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.223584]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.223651]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.223711]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.223770]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.223838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.223900]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.223968]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.224037]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.224097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.224156]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.224215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.224275]  ___sys_sendmsg (net/socket.c:2752)
[    3.224336]  __sys_sendmsg (net/socket.c:2784)
[    3.224398]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.224458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.224523] RIP: 0033:0x7f8c8521d08e
[    3.224584] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.224707] RSP: 002b:00007fffdfb78400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.224781] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8c8521d08e
[    3.224855] RDX: 0000000000000000 RSI: 00007fffdfb784b0 RDI: 0000000000000005
[    3.224936] RBP: 00007fffdfb78410 R08: 0000000000000000 R09: 0000000000000000
[    3.225019] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.225097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffdfb78b80
| [    3.240116] ------------[ cut here ]------------
| [    3.240188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/323
| [    3.240271] Modules linked in: ipvtap ipvlan
| [    3.240425] Tainted: [W]=WARN
[    3.240479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.240550] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.240615] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.240743] RSP: 0018:ff75ca83c076f798 EFLAGS: 00010286
[    3.240805] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.240882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.240969] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a51c034
[    3.241048] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.241123] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942061100
[    3.241203] FS:  00007f90e8a12840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.241283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.241350] CR2: 0000000000445730 CR3: 00000000067b6004 CR4: 0000000000771ef0
[    3.241427] PKRU: 55555554
[    3.241479] Call Trace:
[    3.241527]  <TASK>
[    3.241580]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.241642]  notifier_call_chain (kernel/notifier.c:85)
[    3.241700]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.241765]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.241827] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.241895] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.241967]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.242031]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.242095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.242158]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.242232]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.242299]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.242358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.242420]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.242483]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.242546]  ___sys_sendmsg (net/socket.c:2752)
[    3.242606]  __sys_sendmsg (net/socket.c:2784)
[    3.242665]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.242728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.242793] RIP: 0033:0x7f90e8c4c08e
[    3.242851] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.242983] RSP: 002b:00007fff0136f2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.243066] RAX: ffffffffffffffda RBX: 00007fff0136fa78 RCX: 00007f90e8c4c08e
[    3.243143] RDX: 0000000000000000 RSI: 00007fff0136f370 RDI: 0000000000000005
[    3.243219] RBP: 00007fff0136f2d0 R08: 0000000000000000 R09: 0000000000000000
[    3.243294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.243371] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0136fa30
| [    3.243568] ------------[ cut here ]------------
| [    3.243631] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/323
| [    3.243717] Modules linked in: ipvtap ipvlan
| [    3.243871] Tainted: [W]=WARN
[    3.243935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.244015] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.244079] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.244203] RSP: 0018:ff75ca83c076f870 EFLAGS: 00010286
[    3.244268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.244343] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.244418] RBP: 0000000000000000 R08: ff3addb94194e690 R09: ff3addb94a51c030
[    3.244493] R10: ff3addb94a4fc120 R11: fefefefefefefeff R12: 0000000000000000
[    3.244567] R13: 0000000000000010 R14: ff3addb94a4fc000 R15: ff3addb942061100
[    3.244649] FS:  00007f90e8a12840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.244726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.244797] CR2: 0000000000445730 CR3: 00000000067b6004 CR4: 0000000000771ef0
[    3.244874] PKRU: 55555554
[    3.244933] Call Trace:
[    3.244983]  <TASK>
[    3.245043]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.245101]  __dev_notify_flags (net/core/dev.c:9787)
[    3.245162]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.245225]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.245287]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.245354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.245414]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.245477]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.245540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.245599]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.245659]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.245718]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.245778]  ___sys_sendmsg (net/socket.c:2752)
[    3.245838]  __sys_sendmsg (net/socket.c:2784)
[    3.245897]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.245961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.246035] RIP: 0033:0x7f90e8c4c08e
[    3.246095] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.246217] RSP: 002b:00007fff0136f2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.246292] RAX: ffffffffffffffda RBX: 00007fff0136fa78 RCX: 00007f90e8c4c08e
[    3.246368] RDX: 0000000000000000 RSI: 00007fff0136f370 RDI: 0000000000000005
[    3.246445] RBP: 00007fff0136f2d0 R08: 0000000000000000 R09: 0000000000000000
[    3.246522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.246599] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0136fa30
| [    3.252464] ------------[ cut here ]------------
| [    3.252504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/325
| [    3.252555] Modules linked in: ipvtap ipvlan
| [    3.252645] Tainted: [W]=WARN
[    3.252669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.252706] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.252737] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.252830] RSP: 0018:ff75ca83c077fcb8 EFLAGS: 00010286
[    3.252856] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.252892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913500
[    3.252945] RBP: 0000000000000000 R08: ff3addb94a738890 R09: ff3addb94ad1a02c
[    3.252992] R10: ff3addb94acfd120 R11: fefefefefefefeff R12: 0000000000000000
[    3.253036] R13: 0000000000000010 R14: ff3addb94acfd000 R15: ff3addb941913500
[    3.253075] FS:  00007f39bfc38840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.253117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.253154] CR2: 00007f39bfe427d0 CR3: 000000000a5cd006 CR4: 0000000000771ef0
[    3.253197] PKRU: 55555554
[    3.253211] Call Trace:
[    3.253224]  <TASK>
[    3.253240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.253260]  register_netdevice (net/core/dev.c:11488)
[    3.253280]  register_netdev (net/core/dev.c:11552)
[    3.253303]  loopback_net_init (drivers/net/loopback.c:218)
[    3.253328]  ops_init (net/core/net_namespace.c:137)
[    3.253352]  setup_net (net/core/net_namespace.c:446)
[    3.253376]  copy_net_ns (net/core/net_namespace.c:579)
[    3.253397]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.253426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.253456]  ksys_unshare (kernel/fork.c:3243)
[    3.253479]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.253502]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.253526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.253556] RIP: 0033:0x7f39bfefabcb
[    3.253578] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.253664] RSP: 002b:00007ffc193a5258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.253704] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39bfefabcb
[    3.253748] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.253784] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.253823] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc193a7480
[    3.253862] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc193a78b8
| [    3.253997] ------------[ cut here ]------------
| [    3.254026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/325
| [    3.254076] Modules linked in: ipvtap ipvlan
| [    3.254156] Tainted: [W]=WARN
[    3.254173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.254211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.254239] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.254327] RSP: 0018:ff75ca83c077fc10 EFLAGS: 00010286
[    3.254353] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.254395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.254431] RBP: 0000000000000000 R08: ff3addb94a54ed50 R09: ff3addb94ad21030
[    3.254470] R10: ff3addb94ad1a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.254509] R13: 0000000000000010 R14: ff3addb94ad1a000 R15: ff3addb943040100
[    3.254551] FS:  00007f39bfc38840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.254594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.254627] CR2: 00007f39bfe427d0 CR3: 000000000a5cd006 CR4: 0000000000771ef0
[    3.254667] PKRU: 55555554
[    3.254682] Call Trace:
[    3.254698]  <TASK>
[    3.254717]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.254738]  register_netdevice (net/core/dev.c:11488)
[    3.254759]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.254783]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.254805]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.254828]  ops_init (net/core/net_namespace.c:137)
[    3.254851]  setup_net (net/core/net_namespace.c:446)
[    3.254874]  copy_net_ns (net/core/net_namespace.c:579)
[    3.254894]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.254923]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.254952]  ksys_unshare (kernel/fork.c:3243)
[    3.254973]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.254998]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.255019]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.255046] RIP: 0033:0x7f39bfefabcb
[    3.255071] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.255162] RSP: 002b:00007ffc193a5258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.255203] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39bfefabcb
[    3.255241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.255285] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.255323] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc193a7480
[    3.255365] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc193a78b8
| [    3.255467] ------------[ cut here ]------------
| [    3.255493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/325
| [    3.255536] Modules linked in: ipvtap ipvlan
| [    3.255614] Tainted: [W]=WARN
[    3.255636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.255668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.255693] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.255787] RSP: 0018:ff75ca83c077fbf0 EFLAGS: 00010286
[    3.255813] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.255849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062200
[    3.255887] RBP: 0000000000000000 R08: ff3addb94a638510 R09: ff3addb94ad17030
[    3.255939] R10: ff3addb94ad19120 R11: fefefefefefefeff R12: 0000000000000000
[    3.255978] R13: 0000000000000010 R14: ff3addb94ad19000 R15: ff3addb942062200
[    3.256022] FS:  00007f39bfc38840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.256062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.256093] CR2: 00007f39bfe427d0 CR3: 000000000a5cd006 CR4: 0000000000771ef0
[    3.256132] PKRU: 55555554
[    3.256146] Call Trace:
[    3.256159]  <TASK>
[    3.256173]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.256194]  register_netdevice (net/core/dev.c:11488)
[    3.256214]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.256234]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.256253]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.256275]  ops_init (net/core/net_namespace.c:137)
[    3.256294]  setup_net (net/core/net_namespace.c:446)
[    3.256315]  copy_net_ns (net/core/net_namespace.c:579)
[    3.256337]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.256366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.256393]  ksys_unshare (kernel/fork.c:3243)
[    3.256413]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.256433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.256454]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.256478] RIP: 0033:0x7f39bfefabcb
[    3.256500] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.256583] RSP: 002b:00007ffc193a5258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.256623] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39bfefabcb
[    3.256663] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.256702] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.256742] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc193a7480
[    3.256781] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc193a78b8
| [    3.256894] ------------[ cut here ]------------
| [    3.256929] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/325
| [    3.256974] Modules linked in: ipvtap ipvlan
| [    3.257060] Tainted: [W]=WARN
[    3.257081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.257112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.257138] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.257227] RSP: 0018:ff75ca83c077fca8 EFLAGS: 00010286
[    3.257256] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.257296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063700
[    3.257337] RBP: 0000000000000000 R08: ff3addb94a645d50 R09: ff3addb94ad1d034
[    3.257374] R10: ff3addb94ad18120 R11: fefefefefefefeff R12: 0000000000000000
[    3.257412] R13: 0000000000000010 R14: ff3addb94ad18000 R15: ff3addb942063700
[    3.257457] FS:  00007f39bfc38840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.257496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.257528] CR2: 00007f39bfe427d0 CR3: 000000000a5cd006 CR4: 0000000000771ef0
[    3.257566] PKRU: 55555554
[    3.257586] Call Trace:
[    3.257598]  <TASK>
[    3.257613]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.257633]  register_netdevice (net/core/dev.c:11488)
[    3.257652]  register_netdev (net/core/dev.c:11552)
[    3.257673]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.257696]  ops_init (net/core/net_namespace.c:137)
[    3.257718]  setup_net (net/core/net_namespace.c:446)
[    3.257738]  copy_net_ns (net/core/net_namespace.c:579)
[    3.257758]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.257787]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.257814]  ksys_unshare (kernel/fork.c:3243)
[    3.257835]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.257857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.257877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.257905] RIP: 0033:0x7f39bfefabcb
[    3.257932] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.258024] RSP: 002b:00007ffc193a5258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.258064] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39bfefabcb
[    3.258099] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.258139] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.258179] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc193a7480
[    3.258221] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc193a78b8
| [    3.258356] ------------[ cut here ]------------
| [    3.258385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/325
| [    3.258428] Modules linked in: ipvtap ipvlan
| [    3.258507] Tainted: [W]=WARN
[    3.258530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.258564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.258593] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.258675] RSP: 0018:ff75ca83c077fca0 EFLAGS: 00010286
[    3.258702] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.258739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063100
[    3.258782] RBP: 0000000000000000 R08: ff3addb94a7385d0 R09: ff3addb94ad62030
[    3.258822] R10: ff3addb94ad1d120 R11: fefefefefefefeff R12: 0000000000000000
[    3.258862] R13: 0000000000000010 R14: ff3addb94ad1d000 R15: ff3addb942063100
[    3.258901] FS:  00007f39bfc38840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.258942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.258974] CR2: 00007f39bfe427d0 CR3: 000000000a5cd006 CR4: 0000000000771ef0
[    3.259022] PKRU: 55555554
[    3.259036] Call Trace:
[    3.259048]  <TASK>
[    3.259061]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.259082]  register_netdevice (net/core/dev.c:11488)
[    3.259103]  register_netdev (net/core/dev.c:11552)
[    3.259123]  sit_init_net (net/ipv6/sit.c:1860)
[    3.259145]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.259166]  ops_init (net/core/net_namespace.c:137)
[    3.259186]  setup_net (net/core/net_namespace.c:446)
[    3.259208]  copy_net_ns (net/core/net_namespace.c:579)
[    3.259227]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.259254]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.259284]  ksys_unshare (kernel/fork.c:3243)
[    3.259304]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.259324]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.259343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.259369] RIP: 0033:0x7f39bfefabcb
[    3.259388] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.259475] RSP: 002b:00007ffc193a5258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.259513] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39bfefabcb
[    3.259548] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.259596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.259647] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc193a7480
[    3.259686] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc193a78b8
| [    3.259799] ------------[ cut here ]------------
| [    3.259825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/325
| [    3.259869] Modules linked in: ipvtap ipvlan
| [    3.259953] Tainted: [W]=WARN
[    3.259973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.260013] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.260037] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.260129] RSP: 0018:ff75ca83c077fca8 EFLAGS: 00010286
[    3.260153] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.260192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.260231] RBP: 0000000000000000 R08: ff3addb943193550 R09: ff3addb94ad67030
[    3.260269] R10: ff3addb94ad62120 R11: fefefefefefefeff R12: 0000000000000000
[    3.260306] R13: 0000000000000010 R14: ff3addb94ad62000 R15: ff3addb943040100
[    3.260347] FS:  00007f39bfc38840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.260387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.260419] CR2: 00007f39bfe427d0 CR3: 000000000a5cd006 CR4: 0000000000771ef0
[    3.260458] PKRU: 55555554
[    3.260472] Call Trace:
[    3.260484]  <TASK>
[    3.260499]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.260529]  register_netdevice (net/core/dev.c:11488)
[    3.260550]  register_netdev (net/core/dev.c:11552)
[    3.260570]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.260590]  ops_init (net/core/net_namespace.c:137)
[    3.260611]  setup_net (net/core/net_namespace.c:446)
[    3.260631]  copy_net_ns (net/core/net_namespace.c:579)
[    3.260650]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.260678]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.260704]  ksys_unshare (kernel/fork.c:3243)
[    3.260725]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.260746]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.260766]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.260798] RIP: 0033:0x7f39bfefabcb
[    3.260819] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.260915] RSP: 002b:00007ffc193a5258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.260959] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f39bfefabcb
[    3.260999] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.261034] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.261071] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc193a7480
[    3.261110] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc193a78b8
| [    3.264416] ------------[ cut here ]------------
| [    3.264482] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/326
| [    3.264571] Modules linked in: ipvtap ipvlan
| [    3.264728] Tainted: [W]=WARN
[    3.264785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.264857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.264930] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.265057] RSP: 0018:ff75ca83c0787720 EFLAGS: 00010286
[    3.265123] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.265201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.265278] RBP: 0000000000000000 R08: ff3addb94a738890 R09: ff3addb94a51c02c
[    3.265354] R10: ff3addb94acfd120 R11: fefefefefefefeff R12: 0000000000000000
[    3.265429] R13: 0000000000000010 R14: ff3addb94acfd000 R15: ff3addb942061100
[    3.265507] FS:  00007f2aa6f7e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.265585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.265655] CR2: 0000000007765988 CR3: 00000000067b6003 CR4: 0000000000771ef0
[    3.265731] PKRU: 55555554
[    3.265779] Call Trace:
[    3.265831]  <TASK>
[    3.265881]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.265948]  __dev_notify_flags (net/core/dev.c:9787)
[    3.266016]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.266075]  netif_change_flags (net/core/dev.c:9820)
[    3.266136]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.266199]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.266266]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.266325]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.266382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.266452]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.266514]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.266576]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.266642]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.266702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.266765]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.266823]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.266885]  ___sys_sendmsg (net/socket.c:2752)
[    3.266953]  __sys_sendmsg (net/socket.c:2784)
[    3.267023]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.267085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.267150] RIP: 0033:0x7f2aa71b808e
[    3.267210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.267330] RSP: 002b:00007fff65a24ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.267408] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2aa71b808e
[    3.267486] RDX: 0000000000000000 RSI: 00007fff65a24b70 RDI: 0000000000000005
[    3.267564] RBP: 00007fff65a24ad0 R08: 0000000000000000 R09: 0000000000000000
[    3.267640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.267718] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff65a25240
| [    3.281848] ------------[ cut here ]------------
| [    3.281891] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/329
| [    3.281948] Modules linked in: ipvtap ipvlan
| [    3.282045] Tainted: [W]=WARN
[    3.282069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.282104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.282130] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.282224] RSP: 0018:ff75ca83c079f798 EFLAGS: 00010286
[    3.282251] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.282296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.282337] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94ad65034
[    3.282376] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.282417] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb943040100
[    3.282457] FS:  00007ff65901d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.282501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.282533] CR2: 0000000000445730 CR3: 000000000a701006 CR4: 0000000000771ef0
[    3.282575] PKRU: 55555554
[    3.282590] Call Trace:
[    3.282605]  <TASK>
[    3.282621]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.282646]  notifier_call_chain (kernel/notifier.c:85)
[    3.282669]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.282698]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.282726] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.282755] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.282786]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.282809]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.282837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.282863]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.282891]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.282917]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.282942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.282964]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.282985]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.283015]  ___sys_sendmsg (net/socket.c:2752)
[    3.283038]  __sys_sendmsg (net/socket.c:2784)
[    3.283059]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.283080]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.283106] RIP: 0033:0x7ff65925708e
[    3.283129] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.283220] RSP: 002b:00007ffc3bea2720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.283259] RAX: ffffffffffffffda RBX: 00007ffc3bea2ed8 RCX: 00007ff65925708e
[    3.283298] RDX: 0000000000000000 RSI: 00007ffc3bea27d0 RDI: 0000000000000005
[    3.283338] RBP: 00007ffc3bea2730 R08: 0000000000000000 R09: 0000000000000000
[    3.283378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.283421] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3bea2e90
| [    3.283507] ------------[ cut here ]------------
| [    3.283532] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/329
| [    3.283578] Modules linked in: ipvtap ipvlan
| [    3.283659] Tainted: [W]=WARN
[    3.283679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.283714] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.283743] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.283831] RSP: 0018:ff75ca83c079f870 EFLAGS: 00010286
[    3.283859] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.283899] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.283943] RBP: 0000000000000000 R08: ff3addb94a7389d0 R09: ff3addb94ad65030
[    3.283983] R10: ff3addb94ad76120 R11: fefefefefefefeff R12: 0000000000000000
[    3.284025] R13: 0000000000000010 R14: ff3addb94ad76000 R15: ff3addb943040100
[    3.284066] FS:  00007ff65901d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.284106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.284138] CR2: 0000000000445730 CR3: 000000000a701006 CR4: 0000000000771ef0
[    3.284177] PKRU: 55555554
[    3.284192] Call Trace:
[    3.284206]  <TASK>
[    3.284225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.284246]  __dev_notify_flags (net/core/dev.c:9787)
[    3.284268]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.284291]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.284319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.284345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.284367]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.284394]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.284422]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.284442]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.284469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.284493]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.284515]  ___sys_sendmsg (net/socket.c:2752)
[    3.284542]  __sys_sendmsg (net/socket.c:2784)
[    3.284563]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.284584]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.284613] RIP: 0033:0x7ff65925708e
[    3.284634] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.284719] RSP: 002b:00007ffc3bea2720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.284758] RAX: ffffffffffffffda RBX: 00007ffc3bea2ed8 RCX: 00007ff65925708e
[    3.284797] RDX: 0000000000000000 RSI: 00007ffc3bea27d0 RDI: 0000000000000005
[    3.284837] RBP: 00007ffc3bea2730 R08: 0000000000000000 R09: 0000000000000000
[    3.284875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.284913] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3bea2e90
| [    3.290144] ------------[ cut here ]------------
| [    3.290185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/331
| [    3.290236] Modules linked in: ipvtap ipvlan
| [    3.290319] Tainted: [W]=WARN
[    3.290338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.290371] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.290402] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.290492] RSP: 0018:ff75ca83c07afcb8 EFLAGS: 00010286
[    3.290523] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.290562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.290606] RBP: 0000000000000000 R08: ff3addb94a54efd0 R09: ff3addb94ad8f02c
[    3.290646] R10: ff3addb94ad8a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.290688] R13: 0000000000000010 R14: ff3addb94ad8a000 R15: ff3addb943040100
[    3.290732] FS:  00007fbb89177840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.290780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.290813] CR2: 00007fbb893817d0 CR3: 000000000ac54003 CR4: 0000000000771ef0
[    3.290854] PKRU: 55555554
[    3.290868] Call Trace:
[    3.290884]  <TASK>
[    3.290898]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.290925]  register_netdevice (net/core/dev.c:11488)
[    3.290946]  register_netdev (net/core/dev.c:11552)
[    3.290972]  loopback_net_init (drivers/net/loopback.c:218)
[    3.291009]  ops_init (net/core/net_namespace.c:137)
[    3.291032]  setup_net (net/core/net_namespace.c:446)
[    3.291056]  copy_net_ns (net/core/net_namespace.c:579)
[    3.291077]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.291105]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.291135]  ksys_unshare (kernel/fork.c:3243)
[    3.291158]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.291181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.291205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.291235] RIP: 0033:0x7fbb89439bcb
[    3.291256] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.291348] RSP: 002b:00007ffc276285e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.291388] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbb89439bcb
[    3.291429] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.291468] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.291510] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc2762a810
[    3.291552] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc2762b8b8
| [    3.291662] ------------[ cut here ]------------
| [    3.291688] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/331
| [    3.291734] Modules linked in: ipvtap ipvlan
| [    3.291810] Tainted: [W]=WARN
[    3.291832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.291870] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.291896] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.291982] RSP: 0018:ff75ca83c07afc10 EFLAGS: 00010286
[    3.292020] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.292058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061900
[    3.292097] RBP: 0000000000000000 R08: ff3addb94a738150 R09: ff3addb94ad86830
[    3.292136] R10: ff3addb94ad8f120 R11: fefefefefefefeff R12: 0000000000000000
[    3.292173] R13: 0000000000000010 R14: ff3addb94ad8f000 R15: ff3addb942061900
[    3.292211] FS:  00007fbb89177840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.292251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.292284] CR2: 00007fbb893817d0 CR3: 000000000ac54003 CR4: 0000000000771ef0
[    3.292321] PKRU: 55555554
[    3.292336] Call Trace:
[    3.292348]  <TASK>
[    3.292365]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.292383]  register_netdevice (net/core/dev.c:11488)
[    3.292404]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.292424]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.292446]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.292469]  ops_init (net/core/net_namespace.c:137)
[    3.292491]  setup_net (net/core/net_namespace.c:446)
[    3.292513]  copy_net_ns (net/core/net_namespace.c:579)
[    3.292536]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.292565]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.292592]  ksys_unshare (kernel/fork.c:3243)
[    3.292612]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.292632]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.292652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.292678] RIP: 0033:0x7fbb89439bcb
[    3.292700] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.292784] RSP: 002b:00007ffc276285e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.292826] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbb89439bcb
[    3.292870] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.292906] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.292949] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc2762a810
[    3.292990] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc2762b8b8
| [    3.293096] ------------[ cut here ]------------
| [    3.293122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/331
| [    3.293169] Modules linked in: ipvtap ipvlan
| [    3.293252] Tainted: [W]=WARN
[    3.293270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.293304] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.293331] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.293417] RSP: 0018:ff75ca83c07afbf0 EFLAGS: 00010286
[    3.293446] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.293483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061000
[    3.293522] RBP: 0000000000000000 R08: ff3addb94a4c4e90 R09: ff3addb94ad84830
[    3.293560] R10: ff3addb94ad8e120 R11: fefefefefefefeff R12: 0000000000000000
[    3.293597] R13: 0000000000000010 R14: ff3addb94ad8e000 R15: ff3addb942061000
[    3.293641] FS:  00007fbb89177840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.293680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.293713] CR2: 00007fbb893817d0 CR3: 000000000ac54003 CR4: 0000000000771ef0
[    3.293755] PKRU: 55555554
[    3.293769] Call Trace:
[    3.293784]  <TASK>
[    3.293801]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.293823]  register_netdevice (net/core/dev.c:11488)
[    3.293843]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.293865]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.293886]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.293907]  ops_init (net/core/net_namespace.c:137)
[    3.293931]  setup_net (net/core/net_namespace.c:446)
[    3.293950]  copy_net_ns (net/core/net_namespace.c:579)
[    3.293972]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.294007]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.294036]  ksys_unshare (kernel/fork.c:3243)
[    3.294058]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.294081]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.294100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.294129] RIP: 0033:0x7fbb89439bcb
[    3.294149] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.294240] RSP: 002b:00007ffc276285e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.294283] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbb89439bcb
[    3.294320] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.294361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.294397] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc2762a810
[    3.294442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc2762b8b8
| [    3.294572] ------------[ cut here ]------------
| [    3.294600] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/331
| [    3.294643] Modules linked in: ipvtap ipvlan
| [    3.294722] Tainted: [W]=WARN
[    3.294743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.294776] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.294809] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.294894] RSP: 0018:ff75ca83c07afca8 EFLAGS: 00010286
[    3.294924] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.294963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061a00
[    3.295005] RBP: 0000000000000000 R08: ff3addb94a738690 R09: ff3addb94ad92034
[    3.295043] R10: ff3addb94ad8d120 R11: fefefefefefefeff R12: 0000000000000000
[    3.295081] R13: 0000000000000010 R14: ff3addb94ad8d000 R15: ff3addb942061a00
[    3.295121] FS:  00007fbb89177840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.295161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.295194] CR2: 00007fbb893817d0 CR3: 000000000ac54003 CR4: 0000000000771ef0
[    3.295237] PKRU: 55555554
[    3.295252] Call Trace:
[    3.295266]  <TASK>
[    3.295278]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.295298]  register_netdevice (net/core/dev.c:11488)
[    3.295318]  register_netdev (net/core/dev.c:11552)
[    3.295339]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.295360]  ops_init (net/core/net_namespace.c:137)
[    3.295381]  setup_net (net/core/net_namespace.c:446)
[    3.295402]  copy_net_ns (net/core/net_namespace.c:579)
[    3.295422]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.295449]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.295476]  ksys_unshare (kernel/fork.c:3243)
[    3.295498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.295518]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.295538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.295566] RIP: 0033:0x7fbb89439bcb
[    3.295588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.295672] RSP: 002b:00007ffc276285e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.295711] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbb89439bcb
[    3.295746] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.295784] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.295827] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc2762a810
[    3.295865] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc2762b8b8
| [    3.296012] ------------[ cut here ]------------
| [    3.296040] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/331
| [    3.296085] Modules linked in: ipvtap ipvlan
| [    3.296162] Tainted: [W]=WARN
[    3.296179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.296209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.296238] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.296326] RSP: 0018:ff75ca83c07afca0 EFLAGS: 00010286
[    3.296351] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.296389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.296428] RBP: 0000000000000000 R08: ff3addb944519a50 R09: ff3addb94ad97030
[    3.296467] R10: ff3addb94ad92120 R11: fefefefefefefeff R12: 0000000000000000
[    3.296510] R13: 0000000000000010 R14: ff3addb94ad92000 R15: ff3addb943040100
[    3.296551] FS:  00007fbb89177840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.296592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.296624] CR2: 00007fbb893817d0 CR3: 000000000ac54003 CR4: 0000000000771ef0
[    3.296667] PKRU: 55555554
[    3.296681] Call Trace:
[    3.296696]  <TASK>
[    3.296711]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.296737]  register_netdevice (net/core/dev.c:11488)
[    3.296758]  register_netdev (net/core/dev.c:11552)
[    3.296778]  sit_init_net (net/ipv6/sit.c:1860)
[    3.296797]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.296819]  ops_init (net/core/net_namespace.c:137)
[    3.296838]  setup_net (net/core/net_namespace.c:446)
[    3.296858]  copy_net_ns (net/core/net_namespace.c:579)
[    3.296880]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.296905]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.296937]  ksys_unshare (kernel/fork.c:3243)
[    3.296958]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.296976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.297000]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.297029] RIP: 0033:0x7fbb89439bcb
[    3.297054] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.297139] RSP: 002b:00007ffc276285e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.297180] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbb89439bcb
[    3.297221] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.297261] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.297300] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc2762a810
[    3.297351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc2762b8b8
| [    3.297468] ------------[ cut here ]------------
| [    3.297495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/331
| [    3.297539] Modules linked in: ipvtap ipvlan
| [    3.297622] Tainted: [W]=WARN
[    3.297640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.297671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.297698] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.297782] RSP: 0018:ff75ca83c07afca8 EFLAGS: 00010286
[    3.297810] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.297847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063300
[    3.297886] RBP: 0000000000000000 R08: ff3addb94a738590 R09: ff3addb94ad94030
[    3.297929] R10: ff3addb94ad97120 R11: fefefefefefefeff R12: 0000000000000000
[    3.297965] R13: 0000000000000010 R14: ff3addb94ad97000 R15: ff3addb942063300
[    3.298013] FS:  00007fbb89177840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.298053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.298085] CR2: 00007fbb893817d0 CR3: 000000000ac54003 CR4: 0000000000771ef0
[    3.298123] PKRU: 55555554
[    3.298137] Call Trace:
[    3.298152]  <TASK>
[    3.298166]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.298186]  register_netdevice (net/core/dev.c:11488)
[    3.298206]  register_netdev (net/core/dev.c:11552)
[    3.298228]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.298248]  ops_init (net/core/net_namespace.c:137)
[    3.298267]  setup_net (net/core/net_namespace.c:446)
[    3.298288]  copy_net_ns (net/core/net_namespace.c:579)
[    3.298307]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.298336]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.298362]  ksys_unshare (kernel/fork.c:3243)
[    3.298382]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.298403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.298425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.298451] RIP: 0033:0x7fbb89439bcb
[    3.298471] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.298554] RSP: 002b:00007ffc276285e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.298589] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbb89439bcb
[    3.298625] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.298665] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.298705] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc2762a810
[    3.298741] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc2762b8b8
| [    3.301998] ------------[ cut here ]------------
| [    3.302063] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/332
| [    3.302147] Modules linked in: ipvtap ipvlan
| [    3.302299] Tainted: [W]=WARN
[    3.302358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.302426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.302491] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.302612] RSP: 0018:ff75ca83c07b7720 EFLAGS: 00010286
[    3.302675] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.302751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.302827] RBP: 0000000000000000 R08: ff3addb94a54efd0 R09: ff3addb94a51c02c
[    3.302906] R10: ff3addb94ad8a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.302997] R13: 0000000000000010 R14: ff3addb94ad8a000 R15: ff3addb942061100
[    3.303075] FS:  00007f3edfa75840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.303152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.303222] CR2: 0000000039113988 CR3: 000000000a6f6005 CR4: 0000000000771ef0
[    3.303299] PKRU: 55555554
[    3.303350] Call Trace:
[    3.303399]  <TASK>
[    3.303450]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.303511]  __dev_notify_flags (net/core/dev.c:9787)
[    3.303573]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.303631]  netif_change_flags (net/core/dev.c:9820)
[    3.303693]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.303751]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.303818]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.303877]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.303947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.304020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.304082]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.304140]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.304213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.304275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.304338]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.304398]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.304460]  ___sys_sendmsg (net/socket.c:2752)
[    3.304521]  __sys_sendmsg (net/socket.c:2784)
[    3.304579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.304641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.304705] RIP: 0033:0x7f3edfcaf08e
[    3.304763] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.304887] RSP: 002b:00007ffd4df33610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.304974] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3edfcaf08e
[    3.305056] RDX: 0000000000000000 RSI: 00007ffd4df336c0 RDI: 0000000000000005
[    3.305133] RBP: 00007ffd4df33620 R08: 0000000000000000 R09: 0000000000000000
[    3.305210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.305284] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4df33d90
| [    3.319514] ------------[ cut here ]------------
| [    3.319583] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/335
| [    3.319667] Modules linked in: ipvtap ipvlan
| [    3.319826] Tainted: [W]=WARN
[    3.319881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.319963] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.320038] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.320168] RSP: 0018:ff75ca83c07cf798 EFLAGS: 00010286
[    3.320231] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.320308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.320384] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94adda034
[    3.320467] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.320546] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942061100
[    3.320630] FS:  00007f70ed3b9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.320712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.320785] CR2: 0000000000445730 CR3: 000000000ac62006 CR4: 0000000000771ef0
[    3.320863] PKRU: 55555554
[    3.320916] Call Trace:
[    3.321002]  <TASK>
[    3.321052]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.321109]  notifier_call_chain (kernel/notifier.c:85)
[    3.321169]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.321235]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.321301] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.321365] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.321431]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.321491]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.321556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.321621]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.321686]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.321752]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.321812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.321872]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.321938]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.322006]  ___sys_sendmsg (net/socket.c:2752)
[    3.322068]  __sys_sendmsg (net/socket.c:2784)
[    3.322127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.322186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.322250] RIP: 0033:0x7f70ed5f308e
[    3.322310] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.322437] RSP: 002b:00007ffd7d49ae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.322515] RAX: ffffffffffffffda RBX: 00007ffd7d49b5c8 RCX: 00007f70ed5f308e
[    3.322592] RDX: 0000000000000000 RSI: 00007ffd7d49aec0 RDI: 0000000000000005
[    3.322670] RBP: 00007ffd7d49ae20 R08: 0000000000000000 R09: 0000000000000000
[    3.322744] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.322820] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7d49b580
| [    3.323038] ------------[ cut here ]------------
| [    3.323101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/335
| [    3.323182] Modules linked in: ipvtap ipvlan
| [    3.323338] Tainted: [W]=WARN
[    3.323395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.323464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.323528] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.323647] RSP: 0018:ff75ca83c07cf870 EFLAGS: 00010286
[    3.323713] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.323792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.323864] RBP: 0000000000000000 R08: ff3addb94ac52890 R09: ff3addb94adda030
[    3.323947] R10: ff3addb94a4fa120 R11: fefefefefefefeff R12: 0000000000000000
[    3.324026] R13: 0000000000000010 R14: ff3addb94a4fa000 R15: ff3addb942061100
[    3.324106] FS:  00007f70ed3b9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.324184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.324253] CR2: 0000000000445730 CR3: 000000000ac62006 CR4: 0000000000771ef0
[    3.324333] PKRU: 55555554
[    3.324383] Call Trace:
[    3.324432]  <TASK>
[    3.324483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.324546]  __dev_notify_flags (net/core/dev.c:9787)
[    3.324609]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.324672]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.324734]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.324804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.324866]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.324944]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.325021]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.325083]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.325150]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.325211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.325270]  ___sys_sendmsg (net/socket.c:2752)
[    3.325332]  __sys_sendmsg (net/socket.c:2784)
[    3.325393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.325455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.325522] RIP: 0033:0x7f70ed5f308e
[    3.325580] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.325700] RSP: 002b:00007ffd7d49ae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.325776] RAX: ffffffffffffffda RBX: 00007ffd7d49b5c8 RCX: 00007f70ed5f308e
[    3.325854] RDX: 0000000000000000 RSI: 00007ffd7d49aec0 RDI: 0000000000000005
[    3.325939] RBP: 00007ffd7d49ae20 R08: 0000000000000000 R09: 0000000000000000
[    3.326021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.326099] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7d49b580
| [    3.331264] ------------[ cut here ]------------
| [    3.331334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/337
| [    3.331420] Modules linked in: ipvtap ipvlan
| [    3.331578] Tainted: [W]=WARN
[    3.331636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.331706] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.331769] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.331893] RSP: 0018:ff75ca83c07dfcb8 EFLAGS: 00010286
[    3.331964] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.332048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.332124] RBP: 0000000000000000 R08: ff3addb94a243e10 R09: ff3addb94adf002c
[    3.332200] R10: ff3addb94adf3120 R11: fefefefefefefeff R12: 0000000000000000
[    3.332272] R13: 0000000000000010 R14: ff3addb94adf3000 R15: ff3addb942061100
[    3.332352] FS:  00007f79aa44a840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.332431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.332504] CR2: 00007f79aa64bc20 CR3: 000000000ac62002 CR4: 0000000000771ef0
[    3.332582] PKRU: 55555554
[    3.332634] Call Trace:
[    3.332684]  <TASK>
[    3.332733]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.332792]  register_netdevice (net/core/dev.c:11488)
[    3.332849]  register_netdev (net/core/dev.c:11552)
[    3.332909]  loopback_net_init (drivers/net/loopback.c:218)
[    3.332976]  ops_init (net/core/net_namespace.c:137)
[    3.333042]  setup_net (net/core/net_namespace.c:446)
[    3.333103]  copy_net_ns (net/core/net_namespace.c:579)
[    3.333164]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.333234]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.333300]  ksys_unshare (kernel/fork.c:3243)
[    3.333359]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.333420]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.333480]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.333547] RIP: 0033:0x7f79aa70cbcb
[    3.333608] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.333727] RSP: 002b:00007ffd115b28d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.333803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f79aa70cbcb
[    3.333876] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.333961] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.334043] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd115b4b00
[    3.334118] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd115b68b8
| [    3.334362] ------------[ cut here ]------------
| [    3.334428] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/337
| [    3.334512] Modules linked in: ipvtap ipvlan
| [    3.334666] Tainted: [W]=WARN
[    3.334725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.334794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.334861] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.334994] RSP: 0018:ff75ca83c07dfc10 EFLAGS: 00010286
[    3.335061] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.335137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    3.335213] RBP: 0000000000000000 R08: ff3addb94337d3d0 R09: ff3addb94ade5830
[    3.335290] R10: ff3addb94adf0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.335366] R13: 0000000000000010 R14: ff3addb94adf0000 R15: ff3addb942062a00
[    3.335447] FS:  00007f79aa44a840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.335528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.335597] CR2: 00007f79aa64bc20 CR3: 000000000ac62002 CR4: 0000000000771ef0
[    3.335676] PKRU: 55555554
[    3.335727] Call Trace:
[    3.335777]  <TASK>
[    3.335828]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.335889]  register_netdevice (net/core/dev.c:11488)
[    3.335955]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.336022]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.336083]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.336144]  ops_init (net/core/net_namespace.c:137)
[    3.336205]  setup_net (net/core/net_namespace.c:446)
[    3.336266]  copy_net_ns (net/core/net_namespace.c:579)
[    3.336324]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.336388]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.336453]  ksys_unshare (kernel/fork.c:3243)
[    3.336510]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.336570]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.336632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.336699] RIP: 0033:0x7f79aa70cbcb
[    3.336761] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.336885] RSP: 002b:00007ffd115b28d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.336972] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f79aa70cbcb
[    3.337059] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.337138] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.337215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd115b4b00
[    3.337291] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd115b68b8
| [    3.337530] ------------[ cut here ]------------
| [    3.337593] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/337
| [    3.337677] Modules linked in: ipvtap ipvlan
| [    3.337834] Tainted: [W]=WARN
[    3.337895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.337984] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.338058] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.338177] RSP: 0018:ff75ca83c07dfbf0 EFLAGS: 00010286
[    3.338244] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.338320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.338398] RBP: 0000000000000000 R08: ff3addb94a54ea10 R09: ff3addb94ade3830
[    3.338470] R10: ff3addb94adf7120 R11: fefefefefefefeff R12: 0000000000000000
[    3.338547] R13: 0000000000000010 R14: ff3addb94adf7000 R15: ff3addb942063c00
[    3.338627] FS:  00007f79aa44a840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.338702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.338770] CR2: 00007f79aa64bc20 CR3: 000000000ac62002 CR4: 0000000000771ef0
[    3.338848] PKRU: 55555554
[    3.338898] Call Trace:
[    3.338953]  <TASK>
[    3.339010]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.339076]  register_netdevice (net/core/dev.c:11488)
[    3.339136]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.339198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.339259]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.339320]  ops_init (net/core/net_namespace.c:137)
[    3.339380]  setup_net (net/core/net_namespace.c:446)
[    3.339442]  copy_net_ns (net/core/net_namespace.c:579)
[    3.339504]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.339571]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.339638]  ksys_unshare (kernel/fork.c:3243)
[    3.339699]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.339760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.339819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.339886] RIP: 0033:0x7f79aa70cbcb
[    3.339952] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.340086] RSP: 002b:00007ffd115b28d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.340164] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f79aa70cbcb
[    3.340241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.340318] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.340393] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd115b4b00
[    3.340466] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd115b68b8
| [    3.340757] ------------[ cut here ]------------
| [    3.340818] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/337
| [    3.340902] Modules linked in: ipvtap ipvlan
| [    3.341064] Tainted: [W]=WARN
[    3.341122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.341193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.341259] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.341380] RSP: 0018:ff75ca83c07dfca8 EFLAGS: 00010286
[    3.341447] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.341523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913e00
[    3.341600] RBP: 0000000000000000 R08: ff3addb94a54e3d0 R09: ff3addb94adfb034
[    3.341677] R10: ff3addb94adf6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.341755] R13: 0000000000000010 R14: ff3addb94adf6000 R15: ff3addb941913e00
[    3.341833] FS:  00007f79aa44a840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.341912] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.341994] CR2: 00007f79aa64bc20 CR3: 000000000ac62002 CR4: 0000000000771ef0
[    3.342074] PKRU: 55555554
[    3.342124] Call Trace:
[    3.342174]  <TASK>
[    3.342224]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.342280]  register_netdevice (net/core/dev.c:11488)
[    3.342342]  register_netdev (net/core/dev.c:11552)
[    3.342405]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.342468]  ops_init (net/core/net_namespace.c:137)
[    3.342535]  setup_net (net/core/net_namespace.c:446)
[    3.342595]  copy_net_ns (net/core/net_namespace.c:579)
[    3.342661]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.342729]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.342800]  ksys_unshare (kernel/fork.c:3243)
[    3.342862]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.342929]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.342996]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.343063] RIP: 0033:0x7f79aa70cbcb
[    3.343124] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.343245] RSP: 002b:00007ffd115b28d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.343325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f79aa70cbcb
[    3.343401] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.343477] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.343552] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd115b4b00
[    3.343628] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd115b68b8
| [    3.343906] ------------[ cut here ]------------
| [    3.343976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/337
| [    3.344060] Modules linked in: ipvtap ipvlan
| [    3.344217] Tainted: [W]=WARN
[    3.344276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.344346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.344411] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.344530] RSP: 0018:ff75ca83c07dfca0 EFLAGS: 00010286
[    3.344596] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.344672] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.344747] RBP: 0000000000000000 R08: ff3addb94a339090 R09: ff3addb94adf8030
[    3.344824] R10: ff3addb94adfb120 R11: fefefefefefefeff R12: 0000000000000000
[    3.344901] R13: 0000000000000010 R14: ff3addb94adfb000 R15: ff3addb941913000
[    3.344994] FS:  00007f79aa44a840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.345068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.345140] CR2: 00007f79aa64bc20 CR3: 000000000ac62002 CR4: 0000000000771ef0
[    3.345220] PKRU: 55555554
[    3.345270] Call Trace:
[    3.345322]  <TASK>
[    3.345372]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.345433]  register_netdevice (net/core/dev.c:11488)
[    3.345491]  register_netdev (net/core/dev.c:11552)
[    3.345548]  sit_init_net (net/ipv6/sit.c:1860)
[    3.345610]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.345670]  ops_init (net/core/net_namespace.c:137)
[    3.345729]  setup_net (net/core/net_namespace.c:446)
[    3.345788]  copy_net_ns (net/core/net_namespace.c:579)
[    3.345850]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.345916]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.345996]  ksys_unshare (kernel/fork.c:3243)
[    3.346057]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.346118]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.346176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.346242] RIP: 0033:0x7f79aa70cbcb
[    3.346304] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.346427] RSP: 002b:00007ffd115b28d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.346503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f79aa70cbcb
[    3.346580] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.346655] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.346729] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd115b4b00
[    3.346804] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd115b68b8
| [    3.347072] ------------[ cut here ]------------
| [    3.347137] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/337
| [    3.347222] Modules linked in: ipvtap ipvlan
| [    3.347379] Tainted: [W]=WARN
[    3.347440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.347509] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.347573] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.347697] RSP: 0018:ff75ca83c07dfca8 EFLAGS: 00010286
[    3.347759] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.347837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.347914] RBP: 0000000000000000 R08: ff3addb94a2437d0 R09: ff3addb94adfd030
[    3.348003] R10: ff3addb94adf8120 R11: fefefefefefefeff R12: 0000000000000000
[    3.348081] R13: 0000000000000010 R14: ff3addb94adf8000 R15: ff3addb941913000
[    3.348161] FS:  00007f79aa44a840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.348236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.348307] CR2: 00007f79aa64bc20 CR3: 000000000ac62002 CR4: 0000000000771ef0
[    3.348386] PKRU: 55555554
[    3.348438] Call Trace:
[    3.348487]  <TASK>
[    3.348538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.348597]  register_netdevice (net/core/dev.c:11488)
[    3.348658]  register_netdev (net/core/dev.c:11552)
[    3.348716]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.348777]  ops_init (net/core/net_namespace.c:137)
[    3.348838]  setup_net (net/core/net_namespace.c:446)
[    3.348897]  copy_net_ns (net/core/net_namespace.c:579)
[    3.348959]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.349037]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.349103]  ksys_unshare (kernel/fork.c:3243)
[    3.349162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.349223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.349284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.349348] RIP: 0033:0x7f79aa70cbcb
[    3.349405] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.349528] RSP: 002b:00007ffd115b28d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.349609] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f79aa70cbcb
[    3.349699] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.349779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.349855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd115b4b00
[    3.349941] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd115b68b8
| [    3.353287] ------------[ cut here ]------------
| [    3.353323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/338
| [    3.353371] Modules linked in: ipvtap ipvlan
| [    3.353455] Tainted: [W]=WARN
[    3.353476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.353508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.353537] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.353627] RSP: 0018:ff75ca83c07e7720 EFLAGS: 00010286
[    3.353654] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.353693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063900
[    3.353736] RBP: 0000000000000000 R08: ff3addb94a243e10 R09: ff3addb94ad9402c
[    3.353781] R10: ff3addb94adf3120 R11: fefefefefefefeff R12: 0000000000000000
[    3.353818] R13: 0000000000000010 R14: ff3addb94adf3000 R15: ff3addb942063900
[    3.353864] FS:  00007fa5b345b840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.353903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.353943] CR2: 000000003e64e988 CR3: 000000000ada4005 CR4: 0000000000771ef0
[    3.353982] PKRU: 55555554
[    3.353999] Call Trace:
[    3.354015]  <TASK>
[    3.354030]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.354051]  __dev_notify_flags (net/core/dev.c:9787)
[    3.354072]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.354091]  netif_change_flags (net/core/dev.c:9820)
[    3.354113]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.354132]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.354162]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.354184]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.354205]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.354232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.354254]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.354275]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.354305]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.354327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.354353]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.354375]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.354402]  ___sys_sendmsg (net/socket.c:2752)
[    3.354424]  __sys_sendmsg (net/socket.c:2784)
[    3.354446]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.354468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.354496] RIP: 0033:0x7fa5b369508e
[    3.354517] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.354603] RSP: 002b:00007fff0bd606f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.354644] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa5b369508e
[    3.354688] RDX: 0000000000000000 RSI: 00007fff0bd607a0 RDI: 0000000000000005
[    3.354728] RBP: 00007fff0bd60700 R08: 0000000000000000 R09: 0000000000000000
[    3.354764] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.354807] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0bd60e70
| [    3.368699] ------------[ cut here ]------------
| [    3.368766] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/341
| [    3.368848] Modules linked in: ipvtap ipvlan
| [    3.369016] Tainted: [W]=WARN
[    3.369073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.369144] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.369211] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.369335] RSP: 0018:ff75ca83c07ff798 EFLAGS: 00010286
[    3.369398] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.369474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914400
[    3.369550] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94af43034
[    3.369626] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.369703] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941914400
[    3.369782] FS:  00007f0aed082840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.369863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.369936] CR2: 0000000000445730 CR3: 000000000ae54003 CR4: 0000000000771ef0
[    3.370019] PKRU: 55555554
[    3.370069] Call Trace:
[    3.370117]  <TASK>
[    3.370168]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.370225]  notifier_call_chain (kernel/notifier.c:85)
[    3.370284]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.370351]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.370417] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.370480] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.370546]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.370602]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.370665]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.370722]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.370787]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.370853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.370912]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.370983]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.371048]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.371108]  ___sys_sendmsg (net/socket.c:2752)
[    3.371169]  __sys_sendmsg (net/socket.c:2784)
[    3.371231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.371293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.371359] RIP: 0033:0x7f0aed2bc08e
[    3.371419] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.371545] RSP: 002b:00007ffee3e2fca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.371624] RAX: ffffffffffffffda RBX: 00007ffee3e30458 RCX: 00007f0aed2bc08e
[    3.371703] RDX: 0000000000000000 RSI: 00007ffee3e2fd50 RDI: 0000000000000005
[    3.371775] RBP: 00007ffee3e2fcb0 R08: 0000000000000000 R09: 0000000000000000
[    3.371853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.371935] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee3e30410
| [    3.372141] ------------[ cut here ]------------
| [    3.372204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/341
| [    3.372288] Modules linked in: ipvtap ipvlan
| [    3.372441] Tainted: [W]=WARN
[    3.372494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.372563] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.372628] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.372749] RSP: 0018:ff75ca83c07ff870 EFLAGS: 00010286
[    3.372813] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.372887] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.372971] RBP: 0000000000000000 R08: ff3addb94a339490 R09: ff3addb94af43030
[    3.373055] R10: ff3addb94adea120 R11: fefefefefefefeff R12: 0000000000000000
[    3.373131] R13: 0000000000000010 R14: ff3addb94adea000 R15: ff3addb942063c00
[    3.373209] FS:  00007f0aed082840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.373288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.373360] CR2: 0000000000445730 CR3: 000000000ae54003 CR4: 0000000000771ef0
[    3.373434] PKRU: 55555554
[    3.373486] Call Trace:
[    3.373537]  <TASK>
[    3.373587]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.373646]  __dev_notify_flags (net/core/dev.c:9787)
[    3.373708]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.373768]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.373828]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.373895]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.373962]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.374034]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.374102]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.374163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.374222]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.374284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.374346]  ___sys_sendmsg (net/socket.c:2752)
[    3.374405]  __sys_sendmsg (net/socket.c:2784)
[    3.374466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.374525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.374591] RIP: 0033:0x7f0aed2bc08e
[    3.374649] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.374770] RSP: 002b:00007ffee3e2fca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.374846] RAX: ffffffffffffffda RBX: 00007ffee3e30458 RCX: 00007f0aed2bc08e
[    3.374930] RDX: 0000000000000000 RSI: 00007ffee3e2fd50 RDI: 0000000000000005
[    3.375009] RBP: 00007ffee3e2fcb0 R08: 0000000000000000 R09: 0000000000000000
[    3.375089] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.375162] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee3e30410
| [    3.380320] ------------[ cut here ]------------
| [    3.380386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/343
| [    3.380469] Modules linked in: ipvtap ipvlan
| [    3.380629] Tainted: [W]=WARN
[    3.380686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.380756] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.380820] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.380950] RSP: 0018:ff75ca83c080fcb8 EFLAGS: 00010286
[    3.381021] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.381098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.381172] RBP: 0000000000000000 R08: ff3addb94a738c90 R09: ff3addb94af6902c
[    3.381247] R10: ff3addb94af44120 R11: fefefefefefefeff R12: 0000000000000000
[    3.381322] R13: 0000000000000010 R14: ff3addb94af44000 R15: ff3addb942061100
[    3.381402] FS:  00007f2f1c7bb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.381481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.381558] CR2: 00007f2f1c9bcc20 CR3: 000000000ae54005 CR4: 0000000000771ef0
[    3.381642] PKRU: 55555554
[    3.381697] Call Trace:
[    3.381753]  <TASK>
[    3.381807]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.381867]  register_netdevice (net/core/dev.c:11488)
[    3.381933]  register_netdev (net/core/dev.c:11552)
[    3.381997]  loopback_net_init (drivers/net/loopback.c:218)
[    3.382093]  ops_init (net/core/net_namespace.c:137)
[    3.382157]  setup_net (net/core/net_namespace.c:446)
[    3.382218]  copy_net_ns (net/core/net_namespace.c:579)
[    3.382278]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.382342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.382408]  ksys_unshare (kernel/fork.c:3243)
[    3.382469]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.382528]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.382588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.382652] RIP: 0033:0x7f2f1ca7dbcb
[    3.382713] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.382834] RSP: 002b:00007ffd3c789fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.382913] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2f1ca7dbcb
[    3.383003] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.383078] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.383155] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3c78c200
[    3.383231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3c78c8b8
| [    3.383498] ------------[ cut here ]------------
| [    3.383562] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/343
| [    3.383644] Modules linked in: ipvtap ipvlan
| [    3.383795] Tainted: [W]=WARN
[    3.383852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.383930] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.384003] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.384126] RSP: 0018:ff75ca83c080fc10 EFLAGS: 00010286
[    3.384193] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.384270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    3.384347] RBP: 0000000000000000 R08: ff3addb94ac80510 R09: ff3addb94af52830
[    3.384425] R10: ff3addb94af69120 R11: fefefefefefefeff R12: 0000000000000000
[    3.384499] R13: 0000000000000010 R14: ff3addb94af69000 R15: ff3addb942062a00
[    3.384576] FS:  00007f2f1c7bb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.384652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.384720] CR2: 00007f2f1c9bcc20 CR3: 000000000ae54005 CR4: 0000000000771ef0
[    3.384795] PKRU: 55555554
[    3.384845] Call Trace:
[    3.384894]  <TASK>
[    3.384950]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.385016]  register_netdevice (net/core/dev.c:11488)
[    3.385076]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.385134]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.385193]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.385252]  ops_init (net/core/net_namespace.c:137)
[    3.385312]  setup_net (net/core/net_namespace.c:446)
[    3.385371]  copy_net_ns (net/core/net_namespace.c:579)
[    3.385431]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.385497]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.385568]  ksys_unshare (kernel/fork.c:3243)
[    3.385628]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.385687]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.385746]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.385812] RIP: 0033:0x7f2f1ca7dbcb
[    3.385874] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.386013] RSP: 002b:00007ffd3c789fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.386092] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2f1ca7dbcb
[    3.386167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.386244] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.386317] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3c78c200
[    3.386393] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3c78c8b8
| [    3.386668] ------------[ cut here ]------------
| [    3.386729] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/343
| [    3.386814] Modules linked in: ipvtap ipvlan
| [    3.386980] Tainted: [W]=WARN
[    3.387042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.387112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.387179] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.387301] RSP: 0018:ff75ca83c080fbf0 EFLAGS: 00010286
[    3.387367] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.387442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.387517] RBP: 0000000000000000 R08: ff3addb94ac80bd0 R09: ff3addb94af74830
[    3.387591] R10: ff3addb94af68120 R11: fefefefefefefeff R12: 0000000000000000
[    3.387666] R13: 0000000000000010 R14: ff3addb94af68000 R15: ff3addb941914300
[    3.387744] FS:  00007f2f1c7bb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.387820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.387891] CR2: 00007f2f1c9bcc20 CR3: 000000000ae54005 CR4: 0000000000771ef0
[    3.387971] PKRU: 55555554
[    3.388028] Call Trace:
[    3.388078]  <TASK>
[    3.388127]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.388185]  register_netdevice (net/core/dev.c:11488)
[    3.388246]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.388308]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.388369]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.388431]  ops_init (net/core/net_namespace.c:137)
[    3.388492]  setup_net (net/core/net_namespace.c:446)
[    3.388550]  copy_net_ns (net/core/net_namespace.c:579)
[    3.388611]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.388675]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.388741]  ksys_unshare (kernel/fork.c:3243)
[    3.388801]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.388862]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.388929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.389001] RIP: 0033:0x7f2f1ca7dbcb
[    3.389060] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.389181] RSP: 002b:00007ffd3c789fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.389257] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2f1ca7dbcb
[    3.389342] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.389419] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.389497] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3c78c200
[    3.389575] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3c78c8b8
| [    3.389846] ------------[ cut here ]------------
| [    3.389906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/343
| [    3.389998] Modules linked in: ipvtap ipvlan
| [    3.390154] Tainted: [W]=WARN
[    3.390213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.390292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.390359] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.390481] RSP: 0018:ff75ca83c080fca8 EFLAGS: 00010286
[    3.390548] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.390621] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913c00
[    3.390698] RBP: 0000000000000000 R08: ff3addb94a339650 R09: ff3addb94af6c034
[    3.390775] R10: ff3addb94af6f120 R11: fefefefefefefeff R12: 0000000000000000
[    3.390852] R13: 0000000000000010 R14: ff3addb94af6f000 R15: ff3addb941913c00
[    3.390936] FS:  00007f2f1c7bb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.391015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.391086] CR2: 00007f2f1c9bcc20 CR3: 000000000ae54005 CR4: 0000000000771ef0
[    3.391161] PKRU: 55555554
[    3.391211] Call Trace:
[    3.391261]  <TASK>
[    3.391311]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.391369]  register_netdevice (net/core/dev.c:11488)
[    3.391428]  register_netdev (net/core/dev.c:11552)
[    3.391488]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.391548]  ops_init (net/core/net_namespace.c:137)
[    3.391610]  setup_net (net/core/net_namespace.c:446)
[    3.391670]  copy_net_ns (net/core/net_namespace.c:579)
[    3.391732]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.391799]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.391867]  ksys_unshare (kernel/fork.c:3243)
[    3.391930]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.391994]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.392054]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.392118] RIP: 0033:0x7f2f1ca7dbcb
[    3.392178] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.392299] RSP: 002b:00007ffd3c789fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.392378] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2f1ca7dbcb
[    3.392456] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.392529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.392602] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3c78c200
[    3.392680] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3c78c8b8
| [    3.392984] ------------[ cut here ]------------
| [    3.393052] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/343
| [    3.393133] Modules linked in: ipvtap ipvlan
| [    3.393286] Tainted: [W]=WARN
[    3.393343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.393411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.393474] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.393593] RSP: 0018:ff75ca83c080fca0 EFLAGS: 00010286
[    3.393659] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.393734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.393809] RBP: 0000000000000000 R08: ff3addb94a3393d0 R09: ff3addb94afb9030
[    3.393885] R10: ff3addb94af6c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.393973] R13: 0000000000000010 R14: ff3addb94af6c000 R15: ff3addb941913000
[    3.394061] FS:  00007f2f1c7bb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.394138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.394206] CR2: 00007f2f1c9bcc20 CR3: 000000000ae54005 CR4: 0000000000771ef0
[    3.394282] PKRU: 55555554
[    3.394333] Call Trace:
[    3.394383]  <TASK>
[    3.394434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.394495]  register_netdevice (net/core/dev.c:11488)
[    3.394556]  register_netdev (net/core/dev.c:11552)
[    3.394614]  sit_init_net (net/ipv6/sit.c:1860)
[    3.394673]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.394731]  ops_init (net/core/net_namespace.c:137)
[    3.394791]  setup_net (net/core/net_namespace.c:446)
[    3.394850]  copy_net_ns (net/core/net_namespace.c:579)
[    3.394911]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.394986]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.395059]  ksys_unshare (kernel/fork.c:3243)
[    3.395122]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.395180]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.395240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.395304] RIP: 0033:0x7f2f1ca7dbcb
[    3.395359] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.395481] RSP: 002b:00007ffd3c789fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.395556] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2f1ca7dbcb
[    3.395634] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.395710] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.395786] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3c78c200
[    3.395862] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3c78c8b8
| [    3.396148] ------------[ cut here ]------------
| [    3.396213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/343
| [    3.396298] Modules linked in: ipvtap ipvlan
| [    3.396455] Tainted: [W]=WARN
[    3.396512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.396583] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.396649] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.396771] RSP: 0018:ff75ca83c080fca8 EFLAGS: 00010286
[    3.396835] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.396910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.396999] RBP: 0000000000000000 R08: ff3addb94a339310 R09: ff3addb94afbe030
[    3.397080] R10: ff3addb94afb9120 R11: fefefefefefefeff R12: 0000000000000000
[    3.397162] R13: 0000000000000010 R14: ff3addb94afb9000 R15: ff3addb941913000
[    3.397242] FS:  00007f2f1c7bb840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.397324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.397402] CR2: 00007f2f1c9bcc20 CR3: 000000000ae54005 CR4: 0000000000771ef0
[    3.397482] PKRU: 55555554
[    3.397537] Call Trace:
[    3.397592]  <TASK>
[    3.397644]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.397708]  register_netdevice (net/core/dev.c:11488)
[    3.397772]  register_netdev (net/core/dev.c:11552)
[    3.397836]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.397897]  ops_init (net/core/net_namespace.c:137)
[    3.397967]  setup_net (net/core/net_namespace.c:446)
[    3.398035]  copy_net_ns (net/core/net_namespace.c:579)
[    3.398103]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.398170]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.398242]  ksys_unshare (kernel/fork.c:3243)
[    3.398303]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.398363]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.398428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.398494] RIP: 0033:0x7f2f1ca7dbcb
[    3.398554] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.398686] RSP: 002b:00007ffd3c789fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.398771] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2f1ca7dbcb
[    3.398849] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.398942] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.399033] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3c78c200
[    3.399117] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3c78c8b8
| [    3.402478] ------------[ cut here ]------------
| [    3.402516] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/344
| [    3.402565] Modules linked in: ipvtap ipvlan
| [    3.402647] Tainted: [W]=WARN
[    3.402668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.402700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.402727] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.402812] RSP: 0018:ff75ca83c0817720 EFLAGS: 00010286
[    3.402837] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.402875] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062400
[    3.402916] RBP: 0000000000000000 R08: ff3addb94a738c90 R09: ff3addb94ad9402c
[    3.402955] R10: ff3addb94af44120 R11: fefefefefefefeff R12: 0000000000000000
[    3.402999] R13: 0000000000000010 R14: ff3addb94af44000 R15: ff3addb942062400
[    3.403041] FS:  00007ff5bc03e840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.403082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.403114] CR2: 0000000032f48988 CR3: 000000000ae7d001 CR4: 0000000000771ef0
[    3.403156] PKRU: 55555554
[    3.403172] Call Trace:
[    3.403185]  <TASK>
[    3.403204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.403226]  __dev_notify_flags (net/core/dev.c:9787)
[    3.403247]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.403267]  netif_change_flags (net/core/dev.c:9820)
[    3.403287]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.403308]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.403338]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.403360]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.403381]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.403410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.403431]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.403450]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.403479]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.403500]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.403522]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.403542]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.403563]  ___sys_sendmsg (net/socket.c:2752)
[    3.403583]  __sys_sendmsg (net/socket.c:2784)
[    3.403604]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.403622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.403650] RIP: 0033:0x7ff5bc27808e
[    3.403670] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.403770] RSP: 002b:00007fff8b66caa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.403811] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff5bc27808e
[    3.403855] RDX: 0000000000000000 RSI: 00007fff8b66cb50 RDI: 0000000000000005
[    3.403898] RBP: 00007fff8b66cab0 R08: 0000000000000000 R09: 0000000000000000
[    3.403936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.403976] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8b66d220
| [    3.405032] ------------[ cut here ]------------
| [    3.405071] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/56
| [    3.405126] Modules linked in: ipvtap ipvlan
| [    3.405208] Tainted: [W]=WARN
[    3.405228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.405269] Workqueue: events_unbound linkwatch_event
[    3.405297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.405324] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.405412] RSP: 0018:ff75ca83c01ebd50 EFLAGS: 00010286
[    3.405439] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.405479] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6500
[    3.405523] RBP: 0000000000000000 R08: ff3addb944540910 R09: ff3addb9430ab034
[    3.405562] R10: ff3addb9430af120 R11: fefefefefefefeff R12: 0000000000000000
[    3.405602] R13: 0000000000000010 R14: ff3addb9430af000 R15: ff3addb941df6500
[    3.405648] FS:  0000000000000000(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.405688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.405721] CR2: 000056138b864c48 CR3: 0000000009647001 CR4: 0000000000771ef0
[    3.405761] PKRU: 55555554
[    3.405775] Call Trace:
[    3.405788]  <TASK>
[    3.405800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.405822]  netif_state_change (net/core/dev.c:1605)
[    3.405841]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.405861]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.405887]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.405910]  process_one_work (kernel/workqueue.c:3314)
[    3.405940]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.405965]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.405985]  kthread (kernel/kthread.c:436)
[    3.406015]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.406037]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.406057]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.406076]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.418958] ------------[ cut here ]------------
| [    3.419027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/347
| [    3.419109] Modules linked in: ipvtap ipvlan
| [    3.419260] Tainted: [W]=WARN
[    3.419313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.419383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.419449] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.419573] RSP: 0018:ff75ca83c082f798 EFLAGS: 00010286
[    3.419634] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.419710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.419787] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94afbc034
[    3.419864] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.419945] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942063c00
[    3.420029] FS:  00007f3e2225e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.420104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.420172] CR2: 0000000000445730 CR3: 000000000aeeb006 CR4: 0000000000771ef0
[    3.420253] PKRU: 55555554
[    3.420304] Call Trace:
[    3.420356]  <TASK>
[    3.420405]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.420465]  notifier_call_chain (kernel/notifier.c:85)
[    3.420522]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.420584]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.420649] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.420713] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.420775]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.420838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.420902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.420968]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.421035]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.421101]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.421164]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.421223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.421283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.421343]  ___sys_sendmsg (net/socket.c:2752)
[    3.421404]  __sys_sendmsg (net/socket.c:2784)
[    3.421462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.421522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.421591] RIP: 0033:0x7f3e2249808e
[    3.421650] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.421777] RSP: 002b:00007fff7d755e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.421850] RAX: ffffffffffffffda RBX: 00007fff7d7565b8 RCX: 00007f3e2249808e
[    3.421933] RDX: 0000000000000000 RSI: 00007fff7d755eb0 RDI: 0000000000000005
[    3.422013] RBP: 00007fff7d755e10 R08: 0000000000000000 R09: 0000000000000000
[    3.422092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.422170] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7d756570
| [    3.422360] ------------[ cut here ]------------
| [    3.422423] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/347
| [    3.422504] Modules linked in: ipvtap ipvlan
| [    3.422657] Tainted: [W]=WARN
[    3.422713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.422783] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.422846] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.422969] RSP: 0018:ff75ca83c082f870 EFLAGS: 00010286
[    3.423039] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.423119] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.423192] RBP: 0000000000000000 R08: ff3addb94af021d0 R09: ff3addb94afbc030
[    3.423264] R10: ff3addb94af62120 R11: fefefefefefefeff R12: 0000000000000000
[    3.423341] R13: 0000000000000010 R14: ff3addb94af62000 R15: ff3addb941914300
[    3.423423] FS:  00007f3e2225e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.423504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.423576] CR2: 0000000000445730 CR3: 000000000aeeb006 CR4: 0000000000771ef0
[    3.423652] PKRU: 55555554
[    3.423703] Call Trace:
[    3.423754]  <TASK>
[    3.423805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.423867]  __dev_notify_flags (net/core/dev.c:9787)
[    3.423933]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.424002]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.424063]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.424128]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.424189]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.424254]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.424321]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.424382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.424443]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.424503]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.424565]  ___sys_sendmsg (net/socket.c:2752)
[    3.424625]  __sys_sendmsg (net/socket.c:2784)
[    3.424687]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.424748]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.424810] RIP: 0033:0x7f3e2249808e
[    3.424868] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.425008] RSP: 002b:00007fff7d755e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.425089] RAX: ffffffffffffffda RBX: 00007fff7d7565b8 RCX: 00007f3e2249808e
[    3.425161] RDX: 0000000000000000 RSI: 00007fff7d755eb0 RDI: 0000000000000005
[    3.425237] RBP: 00007fff7d755e10 R08: 0000000000000000 R09: 0000000000000000
[    3.425310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.425385] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7d756570
| [    3.430603] ------------[ cut here ]------------
| [    3.430668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/349
| [    3.430747] Modules linked in: ipvtap ipvlan
| [    3.430907] Tainted: [W]=WARN
[    3.430974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.431053] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.431117] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.431239] RSP: 0018:ff75ca83c083fcb8 EFLAGS: 00010286
[    3.431305] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.431382] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.431459] RBP: 0000000000000000 R08: ff3addb94ae7bf90 R09: ff3addb94afea02c
[    3.431539] R10: ff3addb94afcd120 R11: fefefefefefefeff R12: 0000000000000000
[    3.431614] R13: 0000000000000010 R14: ff3addb94afcd000 R15: ff3addb942061100
[    3.431694] FS:  00007f826006e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.431774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.431847] CR2: 00007f826026fc20 CR3: 000000000aeeb002 CR4: 0000000000771ef0
[    3.431934] PKRU: 55555554
[    3.431994] Call Trace:
[    3.432046]  <TASK>
[    3.432096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.432158]  register_netdevice (net/core/dev.c:11488)
[    3.432216]  register_netdev (net/core/dev.c:11552)
[    3.432278]  loopback_net_init (drivers/net/loopback.c:218)
[    3.432342]  ops_init (net/core/net_namespace.c:137)
[    3.432401]  setup_net (net/core/net_namespace.c:446)
[    3.432463]  copy_net_ns (net/core/net_namespace.c:579)
[    3.432521]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.432587]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.432654]  ksys_unshare (kernel/fork.c:3243)
[    3.432711]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.432774]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.432835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.432899] RIP: 0033:0x7f8260330bcb
[    3.432965] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.433092] RSP: 002b:00007ffc17bca118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.433165] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8260330bcb
[    3.433242] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.433320] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.433397] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc17bcc340
[    3.433476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc17bcd8b8
| [    3.433719] ------------[ cut here ]------------
| [    3.433787] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/349
| [    3.433873] Modules linked in: ipvtap ipvlan
| [    3.434050] Tainted: [W]=WARN
[    3.434105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.434177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.434243] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.434362] RSP: 0018:ff75ca83c083fc10 EFLAGS: 00010286
[    3.434427] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.434503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    3.434579] RBP: 0000000000000000 R08: ff3addb94ae7b690 R09: ff3addb94afe0830
[    3.434655] R10: ff3addb94afea120 R11: fefefefefefefeff R12: 0000000000000000
[    3.434729] R13: 0000000000000010 R14: ff3addb94afea000 R15: ff3addb942062a00
[    3.434808] FS:  00007f826006e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.434884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.434960] CR2: 00007f826026fc20 CR3: 000000000aeeb002 CR4: 0000000000771ef0
[    3.435047] PKRU: 55555554
[    3.435098] Call Trace:
[    3.435148]  <TASK>
[    3.435199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.435259]  register_netdevice (net/core/dev.c:11488)
[    3.435317]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.435379]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.435441]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.435502]  ops_init (net/core/net_namespace.c:137)
[    3.435560]  setup_net (net/core/net_namespace.c:446)
[    3.435622]  copy_net_ns (net/core/net_namespace.c:579)
[    3.435681]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.435746]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.435813]  ksys_unshare (kernel/fork.c:3243)
[    3.435872]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.435936]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.436004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.436069] RIP: 0033:0x7f8260330bcb
[    3.436126] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.436247] RSP: 002b:00007ffc17bca118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.436325] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8260330bcb
[    3.436404] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.436479] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.436554] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc17bcc340
[    3.436630] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc17bcd8b8
| [    3.436869] ------------[ cut here ]------------
| [    3.436945] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/349
| [    3.437041] Modules linked in: ipvtap ipvlan
| [    3.437196] Tainted: [W]=WARN
[    3.437253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.437328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.437399] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.437538] RSP: 0018:ff75ca83c083fbf0 EFLAGS: 00010286
[    3.437609] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.437691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    3.437769] RBP: 0000000000000000 R08: ff3addb94a339350 R09: ff3addb94afd6830
[    3.437846] R10: ff3addb94afe9120 R11: fefefefefefefeff R12: 0000000000000000
[    3.437933] R13: 0000000000000010 R14: ff3addb94afe9000 R15: ff3addb942061400
[    3.438028] FS:  00007f826006e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.438120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.438195] CR2: 00007f826026fc20 CR3: 000000000aeeb002 CR4: 0000000000771ef0
[    3.438287] PKRU: 55555554
[    3.438339] Call Trace:
[    3.438394]  <TASK>
[    3.438447]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.438507]  register_netdevice (net/core/dev.c:11488)
[    3.438567]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.438628]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.438686]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.438745]  ops_init (net/core/net_namespace.c:137)
[    3.438804]  setup_net (net/core/net_namespace.c:446)
[    3.438865]  copy_net_ns (net/core/net_namespace.c:579)
[    3.438934]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.439005]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.439070]  ksys_unshare (kernel/fork.c:3243)
[    3.439130]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.439187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.439245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.439313] RIP: 0033:0x7f8260330bcb
[    3.439373] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.439494] RSP: 002b:00007ffc17bca118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.439572] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8260330bcb
[    3.439648] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.439721] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.439800] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc17bcc340
[    3.439875] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc17bcd8b8
| [    3.440191] ------------[ cut here ]------------
| [    3.440253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/349
| [    3.440338] Modules linked in: ipvtap ipvlan
| [    3.440494] Tainted: [W]=WARN
[    3.440555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.440622] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.440687] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.440810] RSP: 0018:ff75ca83c083fca8 EFLAGS: 00010286
[    3.440877] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.440958] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914200
[    3.441042] RBP: 0000000000000000 R08: ff3addb94a339450 R09: ff3addb94afed034
[    3.441119] R10: ff3addb94afe8120 R11: fefefefefefefeff R12: 0000000000000000
[    3.441196] R13: 0000000000000010 R14: ff3addb94afe8000 R15: ff3addb941914200
[    3.441273] FS:  00007f826006e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.441349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.441420] CR2: 00007f826026fc20 CR3: 000000000aeeb002 CR4: 0000000000771ef0
[    3.441499] PKRU: 55555554
[    3.441551] Call Trace:
[    3.441603]  <TASK>
[    3.441655]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.441714]  register_netdevice (net/core/dev.c:11488)
[    3.441777]  register_netdev (net/core/dev.c:11552)
[    3.441836]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.441899]  ops_init (net/core/net_namespace.c:137)
[    3.441967]  setup_net (net/core/net_namespace.c:446)
[    3.442032]  copy_net_ns (net/core/net_namespace.c:579)
[    3.442094]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.442157]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.442224]  ksys_unshare (kernel/fork.c:3243)
[    3.442285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.442345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.442407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.442474] RIP: 0033:0x7f8260330bcb
[    3.442531] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.442654] RSP: 002b:00007ffc17bca118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.442732] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8260330bcb
[    3.442809] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.442886] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.442972] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc17bcc340
[    3.443054] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc17bcd8b8
| [    3.443338] ------------[ cut here ]------------
| [    3.443402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/349
| [    3.443486] Modules linked in: ipvtap ipvlan
| [    3.443641] Tainted: [W]=WARN
[    3.443699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.443771] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.443839] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.443972] RSP: 0018:ff75ca83c083fca0 EFLAGS: 00010286
[    3.444044] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.444120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.444197] RBP: 0000000000000000 R08: ff3addb94a243590 R09: ff3addb94affa030
[    3.444272] R10: ff3addb94afed120 R11: fefefefefefefeff R12: 0000000000000000
[    3.444349] R13: 0000000000000010 R14: ff3addb94afed000 R15: ff3addb941913000
[    3.444429] FS:  00007f826006e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.444507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.444577] CR2: 00007f826026fc20 CR3: 000000000aeeb002 CR4: 0000000000771ef0
[    3.444656] PKRU: 55555554
[    3.444707] Call Trace:
[    3.444756]  <TASK>
[    3.444808]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.444871]  register_netdevice (net/core/dev.c:11488)
[    3.444941]  register_netdev (net/core/dev.c:11552)
[    3.445010]  sit_init_net (net/ipv6/sit.c:1860)
[    3.445072]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.445133]  ops_init (net/core/net_namespace.c:137)
[    3.445193]  setup_net (net/core/net_namespace.c:446)
[    3.445255]  copy_net_ns (net/core/net_namespace.c:579)
[    3.445313]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.445380]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.445447]  ksys_unshare (kernel/fork.c:3243)
[    3.445511]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.445573]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.445635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.445697] RIP: 0033:0x7f8260330bcb
[    3.445759] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.445886] RSP: 002b:00007ffc17bca118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.445972] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8260330bcb
[    3.446056] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.446137] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.446211] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc17bcc340
[    3.446289] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc17bcd8b8
| [    3.446539] ------------[ cut here ]------------
| [    3.446606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/349
| [    3.446699] Modules linked in: ipvtap ipvlan
| [    3.446869] Tainted: [W]=WARN
[    3.446935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.447014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.447081] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.447215] RSP: 0018:ff75ca83c083fca8 EFLAGS: 00010286
[    3.447283] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.447364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.447451] RBP: 0000000000000000 R08: ff3addb94a645fd0 R09: ff3addb94afff030
[    3.447532] R10: ff3addb94affa120 R11: fefefefefefefeff R12: 0000000000000000
[    3.447613] R13: 0000000000000010 R14: ff3addb94affa000 R15: ff3addb941913000
[    3.447700] FS:  00007f826006e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.447778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.447845] CR2: 00007f826026fc20 CR3: 000000000aeeb002 CR4: 0000000000771ef0
[    3.447933] PKRU: 55555554
[    3.447983] Call Trace:
[    3.448042]  <TASK>
[    3.448094]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.448156]  register_netdevice (net/core/dev.c:11488)
[    3.448217]  register_netdev (net/core/dev.c:11552)
[    3.448277]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.448337]  ops_init (net/core/net_namespace.c:137)
[    3.448401]  setup_net (net/core/net_namespace.c:446)
[    3.448460]  copy_net_ns (net/core/net_namespace.c:579)
[    3.448524]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.448592]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.448660]  ksys_unshare (kernel/fork.c:3243)
[    3.448721]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.448780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.448841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.448908] RIP: 0033:0x7f8260330bcb
[    3.448973] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.449101] RSP: 002b:00007ffc17bca118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.449179] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8260330bcb
[    3.449251] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.449329] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.449402] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc17bcc340
[    3.449478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc17bcd8b8
| [    3.452954] ------------[ cut here ]------------
| [    3.452992] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/350
| [    3.453045] Modules linked in: ipvtap ipvlan
| [    3.453132] Tainted: [W]=WARN
[    3.453153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.453186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.453211] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.453295] RSP: 0018:ff75ca83c0847720 EFLAGS: 00010286
[    3.453323] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.453366] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.453406] RBP: 0000000000000000 R08: ff3addb94ae7bf90 R09: ff3addb94ad9402c
[    3.453450] R10: ff3addb94afcd120 R11: fefefefefefefeff R12: 0000000000000000
[    3.453491] R13: 0000000000000010 R14: ff3addb94afcd000 R15: ff3addb943040100
[    3.453531] FS:  00007fdcdff6f840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.453572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.453605] CR2: 00000000246fa988 CR3: 000000000add0003 CR4: 0000000000771ef0
[    3.453642] PKRU: 55555554
[    3.453657] Call Trace:
[    3.453671]  <TASK>
[    3.453684]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.453705]  __dev_notify_flags (net/core/dev.c:9787)
[    3.453723]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.453744]  netif_change_flags (net/core/dev.c:9820)
[    3.453765]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.453787]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.453815]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.453836]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.453858]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.453886]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.453909]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.453937]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.453964]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.453991]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.454012]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.454034]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.454054]  ___sys_sendmsg (net/socket.c:2752)
[    3.454075]  __sys_sendmsg (net/socket.c:2784)
[    3.454095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.454115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.454142] RIP: 0033:0x7fdce01a908e
[    3.454163] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.454248] RSP: 002b:00007ffe57bb72f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.454287] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdce01a908e
[    3.454323] RDX: 0000000000000000 RSI: 00007ffe57bb73a0 RDI: 0000000000000005
[    3.454366] RBP: 00007ffe57bb7300 R08: 0000000000000000 R09: 0000000000000000
[    3.454406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.454444] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe57bb7a70
| [    3.468690] ------------[ cut here ]------------
| [    3.468726] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/353
| [    3.468775] Modules linked in: ipvtap ipvlan
| [    3.468861] Tainted: [W]=WARN
[    3.468885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.468927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.468958] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.469060] RSP: 0018:ff75ca83c085f798 EFLAGS: 00010286
[    3.469093] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.469139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fd800
[    3.469181] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94a6a0034
[    3.469222] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.469263] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb9418fd800
[    3.469303] FS:  00007f704554c840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.469348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.469385] CR2: 0000000000445730 CR3: 000000000b063004 CR4: 0000000000771ef0
[    3.469430] PKRU: 55555554
[    3.469446] Call Trace:
[    3.469469]  <TASK>
[    3.469490]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.469515]  notifier_call_chain (kernel/notifier.c:85)
[    3.469540]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.469571]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.469602] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.469635] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.469664]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.469690]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.469722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.469746]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.469781]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.469814]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.469838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.469864]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.469889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.469914]  ___sys_sendmsg (net/socket.c:2752)
[    3.469944]  __sys_sendmsg (net/socket.c:2784)
[    3.469968]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.470001]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.470031] RIP: 0033:0x7f704578608e
[    3.470056] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.470146] RSP: 002b:00007ffea869f830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.470189] RAX: ffffffffffffffda RBX: 00007ffea869ffe8 RCX: 00007f704578608e
[    3.470228] RDX: 0000000000000000 RSI: 00007ffea869f8e0 RDI: 0000000000000005
[    3.470272] RBP: 00007ffea869f840 R08: 0000000000000000 R09: 0000000000000000
[    3.470317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.470357] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea869ffa0
| [    3.470450] ------------[ cut here ]------------
| [    3.470478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/353
| [    3.470526] Modules linked in: ipvtap ipvlan
| [    3.470607] Tainted: [W]=WARN
[    3.470630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.470664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.470693] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.470788] RSP: 0018:ff75ca83c085f870 EFLAGS: 00010286
[    3.470819] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.470859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fd900
[    3.470899] RBP: 0000000000000000 R08: ff3addb94af02590 R09: ff3addb94a6a0030
[    3.470942] R10: ff3addb94a3a8120 R11: fefefefefefefeff R12: 0000000000000000
[    3.470992] R13: 0000000000000010 R14: ff3addb94a3a8000 R15: ff3addb9418fd900
[    3.471033] FS:  00007f704554c840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.471075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.471112] CR2: 0000000000445730 CR3: 000000000b063004 CR4: 0000000000771ef0
[    3.471161] PKRU: 55555554
[    3.471175] Call Trace:
[    3.471191]  <TASK>
[    3.471206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.471225]  __dev_notify_flags (net/core/dev.c:9787)
[    3.471248]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.471270]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.471291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.471319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.471341]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.471367]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.471399]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.471420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.471442]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.471464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.471484]  ___sys_sendmsg (net/socket.c:2752)
[    3.471504]  __sys_sendmsg (net/socket.c:2784)
[    3.471530]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.471552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.471578] RIP: 0033:0x7f704578608e
[    3.471599] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.471690] RSP: 002b:00007ffea869f830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.471728] RAX: ffffffffffffffda RBX: 00007ffea869ffe8 RCX: 00007f704578608e
[    3.471768] RDX: 0000000000000000 RSI: 00007ffea869f8e0 RDI: 0000000000000005
[    3.471807] RBP: 00007ffea869f840 R08: 0000000000000000 R09: 0000000000000000
[    3.471847] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.471887] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea869ffa0
| [    3.476933] ------------[ cut here ]------------
| [    3.477005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/355
| [    3.477089] Modules linked in: ipvtap ipvlan
| [    3.477246] Tainted: [W]=WARN
[    3.477303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.477375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.477443] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.477568] RSP: 0018:ff75ca83c0867cb8 EFLAGS: 00010286
[    3.477632] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.477708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.477782] RBP: 0000000000000000 R08: ff3addb94aeb6e50 R09: ff3addb94b01502c
[    3.477856] R10: ff3addb94b010120 R11: fefefefefefefeff R12: 0000000000000000
[    3.477941] R13: 0000000000000010 R14: ff3addb94b010000 R15: ff3addb942063c00
[    3.478023] FS:  00007f6b33409840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.478105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.478176] CR2: 00007f6b3360ac20 CR3: 000000000aebb002 CR4: 0000000000771ef0
[    3.478261] PKRU: 55555554
[    3.478316] Call Trace:
[    3.478367]  <TASK>
[    3.478419]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.478484]  register_netdevice (net/core/dev.c:11488)
[    3.478543]  register_netdev (net/core/dev.c:11552)
[    3.478606]  loopback_net_init (drivers/net/loopback.c:218)
[    3.478669]  ops_init (net/core/net_namespace.c:137)
[    3.478733]  setup_net (net/core/net_namespace.c:446)
[    3.478798]  copy_net_ns (net/core/net_namespace.c:579)
[    3.478859]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.478934]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.479009]  ksys_unshare (kernel/fork.c:3243)
[    3.479071]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.479130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.479195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.479262] RIP: 0033:0x7f6b336cbbcb
[    3.479322] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.479460] RSP: 002b:00007ffc497f5528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.479544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b336cbbcb
[    3.479625] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.479702] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.479778] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc497f7750
[    3.479856] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc497f98b8
| [    3.480134] ------------[ cut here ]------------
| [    3.480201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/355
| [    3.480286] Modules linked in: ipvtap ipvlan
| [    3.480438] Tainted: [W]=WARN
[    3.480497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.480567] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.480631] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.480752] RSP: 0018:ff75ca83c0867c10 EFLAGS: 00010286
[    3.480818] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.480896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.480979] RBP: 0000000000000000 R08: ff3addb94ac80b50 R09: ff3addb94b005030
[    3.481059] R10: ff3addb94b015120 R11: fefefefefefefeff R12: 0000000000000000
[    3.481133] R13: 0000000000000010 R14: ff3addb94b015000 R15: ff3addb942061100
[    3.481210] FS:  00007f6b33409840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.481291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.481360] CR2: 00007f6b3360ac20 CR3: 000000000aebb002 CR4: 0000000000771ef0
[    3.481446] PKRU: 55555554
[    3.481495] Call Trace:
[    3.481544]  <TASK>
[    3.481595]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.481653]  register_netdevice (net/core/dev.c:11488)
[    3.481711]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.481773]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.481833]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.481895]  ops_init (net/core/net_namespace.c:137)
[    3.481966]  setup_net (net/core/net_namespace.c:446)
[    3.482032]  copy_net_ns (net/core/net_namespace.c:579)
[    3.482093]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.482160]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.482233]  ksys_unshare (kernel/fork.c:3243)
[    3.482293]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.482351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.482412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.482476] RIP: 0033:0x7f6b336cbbcb
[    3.482534] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.482652] RSP: 002b:00007ffc497f5528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.482727] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b336cbbcb
[    3.482804] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.482882] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.482965] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc497f7750
[    3.483056] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc497f98b8
| [    3.483327] ------------[ cut here ]------------
| [    3.483388] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/355
| [    3.483480] Modules linked in: ipvtap ipvlan
| [    3.483646] Tainted: [W]=WARN
[    3.483703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.483777] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.483844] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.483999] RSP: 0018:ff75ca83c0867bf0 EFLAGS: 00010286
[    3.484072] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.484159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942062a00
[    3.484237] RBP: 0000000000000000 R08: ff3addb94aeb6b50 R09: ff3addb94b01f030
[    3.484323] R10: ff3addb94b014120 R11: fefefefefefefeff R12: 0000000000000000
[    3.484404] R13: 0000000000000010 R14: ff3addb94b014000 R15: ff3addb942062a00
[    3.484496] FS:  00007f6b33409840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.484577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.484646] CR2: 00007f6b3360ac20 CR3: 000000000aebb002 CR4: 0000000000771ef0
[    3.484720] PKRU: 55555554
[    3.484771] Call Trace:
[    3.484822]  <TASK>
[    3.484873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.484939]  register_netdevice (net/core/dev.c:11488)
[    3.485005]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.485067]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.485127]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.485188]  ops_init (net/core/net_namespace.c:137)
[    3.485247]  setup_net (net/core/net_namespace.c:446)
[    3.485309]  copy_net_ns (net/core/net_namespace.c:579)
[    3.485370]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.485437]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.485505]  ksys_unshare (kernel/fork.c:3243)
[    3.485563]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.485620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.485682]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.485745] RIP: 0033:0x7f6b336cbbcb
[    3.485802] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.485930] RSP: 002b:00007ffc497f5528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.486015] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b336cbbcb
[    3.486093] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.486168] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.486241] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc497f7750
[    3.486315] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc497f98b8
| [    3.486569] ------------[ cut here ]------------
| [    3.486634] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/355
| [    3.486716] Modules linked in: ipvtap ipvlan
| [    3.486870] Tainted: [W]=WARN
[    3.486937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.487012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.487079] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.487201] RSP: 0018:ff75ca83c0867ca8 EFLAGS: 00010286
[    3.487268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.487340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    3.487417] RBP: 0000000000000000 R08: ff3addb94aeb6c10 R09: ff3addb94b020034
[    3.487494] R10: ff3addb94b023120 R11: fefefefefefefeff R12: 0000000000000000
[    3.487567] R13: 0000000000000010 R14: ff3addb94b023000 R15: ff3addb941913f00
[    3.487646] FS:  00007f6b33409840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.487722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.487791] CR2: 00007f6b3360ac20 CR3: 000000000aebb002 CR4: 0000000000771ef0
[    3.487867] PKRU: 55555554
[    3.487916] Call Trace:
[    3.487975]  <TASK>
[    3.488030]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.488091]  register_netdevice (net/core/dev.c:11488)
[    3.488153]  register_netdev (net/core/dev.c:11552)
[    3.488212]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.488271]  ops_init (net/core/net_namespace.c:137)
[    3.488330]  setup_net (net/core/net_namespace.c:446)
[    3.488391]  copy_net_ns (net/core/net_namespace.c:579)
[    3.488453]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.488519]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.488585]  ksys_unshare (kernel/fork.c:3243)
[    3.488647]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.488708]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.488770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.488837] RIP: 0033:0x7f6b336cbbcb
[    3.488898] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.489035] RSP: 002b:00007ffc497f5528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.489113] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b336cbbcb
[    3.489191] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.489268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.489346] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc497f7750
[    3.489423] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc497f98b8
| [    3.489713] ------------[ cut here ]------------
| [    3.489776] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/355
| [    3.489859] Modules linked in: ipvtap ipvlan
| [    3.490032] Tainted: [W]=WARN
[    3.490088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.490163] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.490227] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.490346] RSP: 0018:ff75ca83c0867ca0 EFLAGS: 00010286
[    3.490412] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.490487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5200
[    3.490561] RBP: 0000000000000000 R08: ff3addb94aeb6c90 R09: ff3addb94b025030
[    3.490637] R10: ff3addb94b020120 R11: fefefefefefefeff R12: 0000000000000000
[    3.490713] R13: 0000000000000010 R14: ff3addb94b020000 R15: ff3addb941df5200
[    3.490792] FS:  00007f6b33409840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.490872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.490947] CR2: 00007f6b3360ac20 CR3: 000000000aebb002 CR4: 0000000000771ef0
[    3.491035] PKRU: 55555554
[    3.491086] Call Trace:
[    3.491136]  <TASK>
[    3.491187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.491246]  register_netdevice (net/core/dev.c:11488)
[    3.491307]  register_netdev (net/core/dev.c:11552)
[    3.491365]  sit_init_net (net/ipv6/sit.c:1860)
[    3.491426]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.491488]  ops_init (net/core/net_namespace.c:137)
[    3.491547]  setup_net (net/core/net_namespace.c:446)
[    3.491608]  copy_net_ns (net/core/net_namespace.c:579)
[    3.491670]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.491737]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.491804]  ksys_unshare (kernel/fork.c:3243)
[    3.491863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.491933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.492002]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.492067] RIP: 0033:0x7f6b336cbbcb
[    3.492124] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.492243] RSP: 002b:00007ffc497f5528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.492320] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b336cbbcb
[    3.492395] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.492468] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.492543] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc497f7750
[    3.492620] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc497f98b8
| [    3.492906] ------------[ cut here ]------------
| [    3.492976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/355
| [    3.493075] Modules linked in: ipvtap ipvlan
| [    3.493241] Tainted: [W]=WARN
[    3.493302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.493372] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.493439] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.493580] RSP: 0018:ff75ca83c0867ca8 EFLAGS: 00010286
[    3.493652] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.493730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.493812] RBP: 0000000000000000 R08: ff3addb94af02090 R09: ff3addb94b0b2030
[    3.493887] R10: ff3addb94b025120 R11: fefefefefefefeff R12: 0000000000000000
[    3.493976] R13: 0000000000000010 R14: ff3addb94b025000 R15: ff3addb941913000
[    3.494071] FS:  00007f6b33409840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.494159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.494238] CR2: 00007f6b3360ac20 CR3: 000000000aebb002 CR4: 0000000000771ef0
[    3.494316] PKRU: 55555554
[    3.494368] Call Trace:
[    3.494420]  <TASK>
[    3.494472]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.494531]  register_netdevice (net/core/dev.c:11488)
[    3.494590]  register_netdev (net/core/dev.c:11552)
[    3.494650]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.494713]  ops_init (net/core/net_namespace.c:137)
[    3.494771]  setup_net (net/core/net_namespace.c:446)
[    3.494834]  copy_net_ns (net/core/net_namespace.c:579)
[    3.494893]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.494968]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.495037]  ksys_unshare (kernel/fork.c:3243)
[    3.495098]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.495156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.495216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.495284] RIP: 0033:0x7f6b336cbbcb
[    3.495343] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.495463] RSP: 002b:00007ffc497f5528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.495540] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6b336cbbcb
[    3.495618] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.495692] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.495769] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc497f7750
[    3.495845] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc497f98b8
| [    3.499212] ------------[ cut here ]------------
| [    3.499249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/356
| [    3.499299] Modules linked in: ipvtap ipvlan
| [    3.499384] Tainted: [W]=WARN
[    3.499405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.499435] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.499460] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.499550] RSP: 0018:ff75ca83c086f720 EFLAGS: 00010286
[    3.499583] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.499622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.499660] RBP: 0000000000000000 R08: ff3addb94aeb6e50 R09: ff3addb94ad9402c
[    3.499696] R10: ff3addb94b010120 R11: fefefefefefefeff R12: 0000000000000000
[    3.499736] R13: 0000000000000010 R14: ff3addb94b010000 R15: ff3addb943040100
[    3.499777] FS:  00007f855a651840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.499822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.499858] CR2: 00007f855a9211a0 CR3: 000000000af33005 CR4: 0000000000771ef0
[    3.499902] PKRU: 55555554
[    3.499917] Call Trace:
[    3.499943]  <TASK>
[    3.499957]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.499980]  __dev_notify_flags (net/core/dev.c:9787)
[    3.500006]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.500029]  netif_change_flags (net/core/dev.c:9820)
[    3.500051]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.500077]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.500107]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.500130]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.500151]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.500179]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.500199]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.500220]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.500249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.500271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.500292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.500313]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.500333]  ___sys_sendmsg (net/socket.c:2752)
[    3.500355]  __sys_sendmsg (net/socket.c:2784)
[    3.500377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.500399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.500431] RIP: 0033:0x7f855a88b08e
[    3.500453] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.500546] RSP: 002b:00007ffc722a3c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.500583] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f855a88b08e
[    3.500622] RDX: 0000000000000000 RSI: 00007ffc722a3d20 RDI: 0000000000000005
[    3.500663] RBP: 00007ffc722a3c80 R08: 0000000000000000 R09: 0000000000000000
[    3.500709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.500748] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc722a43f0
| [    3.514291] ------------[ cut here ]------------
| [    3.514355] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/359
| [    3.514436] Modules linked in: ipvtap ipvlan
| [    3.514586] Tainted: [W]=WARN
[    3.514642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.514711] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.514773] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.514897] RSP: 0018:ff75ca83c0887798 EFLAGS: 00010286
[    3.514968] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.515050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.515128] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b0b0034
[    3.515207] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.515283] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913000
[    3.515361] FS:  00007efeaba00840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.515438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.515508] CR2: 0000000000445730 CR3: 000000000b066002 CR4: 0000000000771ef0
[    3.515582] PKRU: 55555554
[    3.515634] Call Trace:
[    3.515686]  <TASK>
[    3.515735]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.515794]  notifier_call_chain (kernel/notifier.c:85)
[    3.515854]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.515928]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.516001] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.516069] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.516133]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.516193]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.516258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.516318]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.516383]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.516448]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.516508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.516567]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.516626]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.516688]  ___sys_sendmsg (net/socket.c:2752)
[    3.516748]  __sys_sendmsg (net/socket.c:2784)
[    3.516811]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.516870]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.516944] RIP: 0033:0x7efeabc3a08e
[    3.517008] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.517132] RSP: 002b:00007ffd657c8aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.517210] RAX: ffffffffffffffda RBX: 00007ffd657c9258 RCX: 00007efeabc3a08e
[    3.517283] RDX: 0000000000000000 RSI: 00007ffd657c8b50 RDI: 0000000000000005
[    3.517359] RBP: 00007ffd657c8ab0 R08: 0000000000000000 R09: 0000000000000000
[    3.517433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.517507] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd657c9210
| [    3.517706] ------------[ cut here ]------------
| [    3.517768] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/359
| [    3.517853] Modules linked in: ipvtap ipvlan
| [    3.518016] Tainted: [W]=WARN
[    3.518074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.518142] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.518207] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.518327] RSP: 0018:ff75ca83c0887870 EFLAGS: 00010286
[    3.518392] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.518467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.518543] RBP: 0000000000000000 R08: ff3addb94ae7b510 R09: ff3addb94b0b0030
[    3.518617] R10: ff3addb94b00c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.518693] R13: 0000000000000010 R14: ff3addb94b00c000 R15: ff3addb941913000
[    3.518774] FS:  00007efeaba00840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.518853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.518928] CR2: 0000000000445730 CR3: 000000000b066002 CR4: 0000000000771ef0
[    3.519011] PKRU: 55555554
[    3.519061] Call Trace:
[    3.519111]  <TASK>
[    3.519161]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.519222]  __dev_notify_flags (net/core/dev.c:9787)
[    3.519283]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.519343]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.519405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.519469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.519529]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.519595]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.519662]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.519724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.519786]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.519848]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.519910]  ___sys_sendmsg (net/socket.c:2752)
[    3.519974]  __sys_sendmsg (net/socket.c:2784)
[    3.520041]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.520102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.520167] RIP: 0033:0x7efeabc3a08e
[    3.520226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.520345] RSP: 002b:00007ffd657c8aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.520421] RAX: ffffffffffffffda RBX: 00007ffd657c9258 RCX: 00007efeabc3a08e
[    3.520496] RDX: 0000000000000000 RSI: 00007ffd657c8b50 RDI: 0000000000000005
[    3.520572] RBP: 00007ffd657c8ab0 R08: 0000000000000000 R09: 0000000000000000
[    3.520647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.520721] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd657c9210
| [    3.525734] ------------[ cut here ]------------
| [    3.525800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/361
| [    3.525882] Modules linked in: ipvtap ipvlan
| [    3.526066] Tainted: [W]=WARN
[    3.526123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.526192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.526256] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.526376] RSP: 0018:ff75ca83c0897cb8 EFLAGS: 00010286
[    3.526440] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.526518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.526593] RBP: 0000000000000000 R08: ff3addb94af025d0 R09: ff3addb94b0d602c
[    3.526670] R10: ff3addb94b0d1120 R11: fefefefefefefeff R12: 0000000000000000
[    3.526744] R13: 0000000000000010 R14: ff3addb94b0d1000 R15: ff3addb941913000
[    3.526822] FS:  00007f934f8d6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.526900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.526973] CR2: 00007f934fc4f493 CR3: 000000000b066005 CR4: 0000000000771ef0
[    3.527056] PKRU: 55555554
[    3.527107] Call Trace:
[    3.527159]  <TASK>
[    3.527211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.527268]  register_netdevice (net/core/dev.c:11488)
[    3.527331]  register_netdev (net/core/dev.c:11552)
[    3.527393]  loopback_net_init (drivers/net/loopback.c:218)
[    3.527456]  ops_init (net/core/net_namespace.c:137)
[    3.527516]  setup_net (net/core/net_namespace.c:446)
[    3.527578]  copy_net_ns (net/core/net_namespace.c:579)
[    3.527640]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.527705]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.527767]  ksys_unshare (kernel/fork.c:3243)
[    3.527824]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.527883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.527953]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.528029] RIP: 0033:0x7f934fb98bcb
[    3.528087] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.528209] RSP: 002b:00007ffd6ff9d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.528291] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f934fb98bcb
[    3.528364] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.528438] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.528514] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6ff9f630
[    3.528588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6ffa18b8
| [    3.528833] ------------[ cut here ]------------
| [    3.528897] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/361
| [    3.528995] Modules linked in: ipvtap ipvlan
| [    3.529152] Tainted: [W]=WARN
[    3.529211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.529282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.529345] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.529463] RSP: 0018:ff75ca83c0897c10 EFLAGS: 00010286
[    3.529527] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.529604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    3.529678] RBP: 0000000000000000 R08: ff3addb94af02990 R09: ff3addb94b0c5030
[    3.529755] R10: ff3addb94b0d6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.529831] R13: 0000000000000010 R14: ff3addb94b0d6000 R15: ff3addb942060100
[    3.529910] FS:  00007f934f8d6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.530003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.530073] CR2: 00007f934fc4f493 CR3: 000000000b066005 CR4: 0000000000771ef0
[    3.530151] PKRU: 55555554
[    3.530201] Call Trace:
[    3.530250]  <TASK>
[    3.530301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.530362]  register_netdevice (net/core/dev.c:11488)
[    3.530420]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.530481]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.530541]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.530603]  ops_init (net/core/net_namespace.c:137)
[    3.530665]  setup_net (net/core/net_namespace.c:446)
[    3.530726]  copy_net_ns (net/core/net_namespace.c:579)
[    3.530784]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.530851]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.530928]  ksys_unshare (kernel/fork.c:3243)
[    3.530996]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.531056]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.531117]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.531183] RIP: 0033:0x7f934fb98bcb
[    3.531242] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.531364] RSP: 002b:00007ffd6ff9d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.531440] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f934fb98bcb
[    3.531518] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.531593] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.531666] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6ff9f630
[    3.531740] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6ffa18b8
| [    3.531984] ------------[ cut here ]------------
| [    3.532054] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/361
| [    3.532137] Modules linked in: ipvtap ipvlan
| [    3.532292] Tainted: [W]=WARN
[    3.532348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.532417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.532483] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.532604] RSP: 0018:ff75ca83c0897bf0 EFLAGS: 00010286
[    3.532667] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.532744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914200
[    3.532819] RBP: 0000000000000000 R08: ff3addb94ac80d50 R09: ff3addb94b0c3030
[    3.532896] R10: ff3addb94b0d5120 R11: fefefefefefefeff R12: 0000000000000000
[    3.532979] R13: 0000000000000010 R14: ff3addb94b0d5000 R15: ff3addb941914200
[    3.533066] FS:  00007f934f8d6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.533144] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.533215] CR2: 00007f934fc4f493 CR3: 000000000b066005 CR4: 0000000000771ef0
[    3.533290] PKRU: 55555554
[    3.533339] Call Trace:
[    3.533390]  <TASK>
[    3.533440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.533498]  register_netdevice (net/core/dev.c:11488)
[    3.533560]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.533618]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.533679]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.533739]  ops_init (net/core/net_namespace.c:137)
[    3.533797]  setup_net (net/core/net_namespace.c:446)
[    3.533856]  copy_net_ns (net/core/net_namespace.c:579)
[    3.533916]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.533994]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.534062]  ksys_unshare (kernel/fork.c:3243)
[    3.534123]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.534183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.534245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.534311] RIP: 0033:0x7f934fb98bcb
[    3.534366] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.534489] RSP: 002b:00007ffd6ff9d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.534565] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f934fb98bcb
[    3.534641] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.534719] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.534795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6ff9f630
[    3.534872] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6ffa18b8
| [    3.535184] ------------[ cut here ]------------
| [    3.535251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/361
| [    3.535336] Modules linked in: ipvtap ipvlan
| [    3.535490] Tainted: [W]=WARN
[    3.535546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.535618] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.535683] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.535805] RSP: 0018:ff75ca83c0897ca8 EFLAGS: 00010286
[    3.535872] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.535955] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    3.536043] RBP: 0000000000000000 R08: ff3addb94a54e150 R09: ff3addb94b0d9034
[    3.536119] R10: ff3addb94b0d4120 R11: fefefefefefefeff R12: 0000000000000000
[    3.536192] R13: 0000000000000010 R14: ff3addb94b0d4000 R15: ff3addb942061400
[    3.536269] FS:  00007f934f8d6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.536344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.536417] CR2: 00007f934fc4f493 CR3: 000000000b066005 CR4: 0000000000771ef0
[    3.536495] PKRU: 55555554
[    3.536545] Call Trace:
[    3.536596]  <TASK>
[    3.536646]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.536706]  register_netdevice (net/core/dev.c:11488)
[    3.536767]  register_netdev (net/core/dev.c:11552)
[    3.536823]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.536885]  ops_init (net/core/net_namespace.c:137)
[    3.536953]  setup_net (net/core/net_namespace.c:446)
[    3.537021]  copy_net_ns (net/core/net_namespace.c:579)
[    3.537082]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.537148]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.537213]  ksys_unshare (kernel/fork.c:3243)
[    3.537275]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.537335]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.537394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.537461] RIP: 0033:0x7f934fb98bcb
[    3.537518] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.537636] RSP: 002b:00007ffd6ff9d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.537710] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f934fb98bcb
[    3.537783] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.537860] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.537939] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6ff9f630
[    3.538020] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6ffa18b8
| [    3.538279] ------------[ cut here ]------------
| [    3.538342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/361
| [    3.538425] Modules linked in: ipvtap ipvlan
| [    3.538580] Tainted: [W]=WARN
[    3.538637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.538707] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.538771] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.538894] RSP: 0018:ff75ca83c0897ca0 EFLAGS: 00010286
[    3.538967] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.539049] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.539126] RBP: 0000000000000000 R08: ff3addb94af3d490 R09: ff3addb94b0de030
[    3.539199] R10: ff3addb94b0d9120 R11: fefefefefefefeff R12: 0000000000000000
[    3.539272] R13: 0000000000000010 R14: ff3addb94b0d9000 R15: ff3addb942061100
[    3.539349] FS:  00007f934f8d6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.539424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.539492] CR2: 00007f934fc4f493 CR3: 000000000b066005 CR4: 0000000000771ef0
[    3.539568] PKRU: 55555554
[    3.539618] Call Trace:
[    3.539667]  <TASK>
[    3.539718]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.539776]  register_netdevice (net/core/dev.c:11488)
[    3.539837]  register_netdev (net/core/dev.c:11552)
[    3.539892]  sit_init_net (net/ipv6/sit.c:1860)
[    3.539958]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.540021]  ops_init (net/core/net_namespace.c:137)
[    3.540081]  setup_net (net/core/net_namespace.c:446)
[    3.540142]  copy_net_ns (net/core/net_namespace.c:579)
[    3.540200]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.540265]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.540332]  ksys_unshare (kernel/fork.c:3243)
[    3.540392]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.540450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.540506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.540572] RIP: 0033:0x7f934fb98bcb
[    3.540631] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.540754] RSP: 002b:00007ffd6ff9d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.540827] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f934fb98bcb
[    3.540903] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.540986] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.541068] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6ff9f630
[    3.541143] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6ffa18b8
| [    3.541432] ------------[ cut here ]------------
| [    3.541496] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/361
| [    3.541584] Modules linked in: ipvtap ipvlan
| [    3.541737] Tainted: [W]=WARN
[    3.541793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.541863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.541936] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.542062] RSP: 0018:ff75ca83c0897ca8 EFLAGS: 00010286
[    3.542128] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.542203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.542279] RBP: 0000000000000000 R08: ff3addb94af3d590 R09: ff3addb94b16b030
[    3.542355] R10: ff3addb94b0de120 R11: fefefefefefefeff R12: 0000000000000000
[    3.542428] R13: 0000000000000010 R14: ff3addb94b0de000 R15: ff3addb942061100
[    3.542508] FS:  00007f934f8d6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.542587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.542654] CR2: 00007f934fc4f493 CR3: 000000000b066005 CR4: 0000000000771ef0
[    3.542729] PKRU: 55555554
[    3.542779] Call Trace:
[    3.542828]  <TASK>
[    3.542879]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.542945]  register_netdevice (net/core/dev.c:11488)
[    3.543013]  register_netdev (net/core/dev.c:11552)
[    3.543073]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.543134]  ops_init (net/core/net_namespace.c:137)
[    3.543195]  setup_net (net/core/net_namespace.c:446)
[    3.543255]  copy_net_ns (net/core/net_namespace.c:579)
[    3.543317]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.543380]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.543447]  ksys_unshare (kernel/fork.c:3243)
[    3.543505]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.543563]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.543624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.543690] RIP: 0033:0x7f934fb98bcb
[    3.543746] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.543869] RSP: 002b:00007ffd6ff9d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.543952] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f934fb98bcb
[    3.544039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.544114] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.544190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6ff9f630
[    3.544264] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6ffa18b8
| [    3.547483] ------------[ cut here ]------------
| [    3.547521] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/362
| [    3.547571] Modules linked in: ipvtap ipvlan
| [    3.547652] Tainted: [W]=WARN
[    3.547673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.547707] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.547738] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.547831] RSP: 0018:ff75ca83c089f720 EFLAGS: 00010286
[    3.547857] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.547894] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.547939] RBP: 0000000000000000 R08: ff3addb94af025d0 R09: ff3addb94ad9402c
[    3.547980] R10: ff3addb94b0d1120 R11: fefefefefefefeff R12: 0000000000000000
[    3.548025] R13: 0000000000000010 R14: ff3addb94b0d1000 R15: ff3addb943040100
[    3.548068] FS:  00007f39ab8c6840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.548109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.548146] CR2: 0000000004cbd988 CR3: 000000000afa1001 CR4: 0000000000771ef0
[    3.548187] PKRU: 55555554
[    3.548202] Call Trace:
[    3.548218]  <TASK>
[    3.548234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.548256]  __dev_notify_flags (net/core/dev.c:9787)
[    3.548278]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.548302]  netif_change_flags (net/core/dev.c:9820)
[    3.548323]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.548345]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.548375]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.548397]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.548420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.548447]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.548466]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.548485]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.548514]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.548534]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.548556]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.548579]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.548601]  ___sys_sendmsg (net/socket.c:2752)
[    3.548624]  __sys_sendmsg (net/socket.c:2784)
[    3.548644]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.548665]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.548694] RIP: 0033:0x7f39abb0008e
[    3.548715] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.548800] RSP: 002b:00007ffc5d2c1fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.548842] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f39abb0008e
[    3.548888] RDX: 0000000000000000 RSI: 00007ffc5d2c2050 RDI: 0000000000000005
[    3.548929] RBP: 00007ffc5d2c1fb0 R08: 0000000000000000 R09: 0000000000000000
[    3.548966] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.549007] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5d2c2720
| [    3.562325] ------------[ cut here ]------------
| [    3.562389] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/365
| [    3.562475] Modules linked in: ipvtap ipvlan
| [    3.562627] Tainted: [W]=WARN
[    3.562684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.562750] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.562818] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.562951] RSP: 0018:ff75ca83c08b7798 EFLAGS: 00010286
[    3.563019] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.563092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5200
[    3.563168] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b169034
[    3.563241] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.563315] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5200
[    3.563395] FS:  00007fd43dfa5840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.563473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.563544] CR2: 0000000000445730 CR3: 000000000b0e6005 CR4: 0000000000771ef0
[    3.563622] PKRU: 55555554
[    3.563670] Call Trace:
[    3.563718]  <TASK>
[    3.563770]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.563828]  notifier_call_chain (kernel/notifier.c:85)
[    3.563886]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.563953]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.564030] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.564098] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.564164]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.564225]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.564290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.564351]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.564414]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.564479]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.564540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.564596]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.564656]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.564714]  ___sys_sendmsg (net/socket.c:2752)
[    3.564775]  __sys_sendmsg (net/socket.c:2784)
[    3.564834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.564894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.564973] RIP: 0033:0x7fd43e1df08e
[    3.565037] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.565158] RSP: 002b:00007ffdf9a160b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.565233] RAX: ffffffffffffffda RBX: 00007ffdf9a16868 RCX: 00007fd43e1df08e
[    3.565307] RDX: 0000000000000000 RSI: 00007ffdf9a16160 RDI: 0000000000000005
[    3.565383] RBP: 00007ffdf9a160c0 R08: 0000000000000000 R09: 0000000000000000
[    3.565458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.565534] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf9a16820
| [    3.565733] ------------[ cut here ]------------
| [    3.565796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/365
| [    3.565877] Modules linked in: ipvtap ipvlan
| [    3.566041] Tainted: [W]=WARN
[    3.566098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.566168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.566234] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.566353] RSP: 0018:ff75ca83c08b7870 EFLAGS: 00010286
[    3.566416] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.566495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914200
[    3.566571] RBP: 0000000000000000 R08: ff3addb94af3d750 R09: ff3addb94b169030
[    3.566648] R10: ff3addb94b0cc120 R11: fefefefefefefeff R12: 0000000000000000
[    3.566722] R13: 0000000000000010 R14: ff3addb94b0cc000 R15: ff3addb941914200
[    3.566801] FS:  00007fd43dfa5840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.566877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.566952] CR2: 0000000000445730 CR3: 000000000b0e6005 CR4: 0000000000771ef0
[    3.567040] PKRU: 55555554
[    3.567091] Call Trace:
[    3.567140]  <TASK>
[    3.567191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.567252]  __dev_notify_flags (net/core/dev.c:9787)
[    3.567311]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.567373]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.567434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.567497]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.567560]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.567625]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.567691]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.567750]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.567811]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.567870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.567939]  ___sys_sendmsg (net/socket.c:2752)
[    3.568004]  __sys_sendmsg (net/socket.c:2784)
[    3.568063]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.568125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.568189] RIP: 0033:0x7fd43e1df08e
[    3.568245] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.568366] RSP: 002b:00007ffdf9a160b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.568441] RAX: ffffffffffffffda RBX: 00007ffdf9a16868 RCX: 00007fd43e1df08e
[    3.568516] RDX: 0000000000000000 RSI: 00007ffdf9a16160 RDI: 0000000000000005
[    3.568593] RBP: 00007ffdf9a160c0 R08: 0000000000000000 R09: 0000000000000000
[    3.568668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.568744] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf9a16820
| [    3.574069] ------------[ cut here ]------------
| [    3.574133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    3.574220] Modules linked in: ipvtap ipvlan
| [    3.574376] Tainted: [W]=WARN
[    3.574433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.574501] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.574565] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.574686] RSP: 0018:ff75ca83c08c7cb8 EFLAGS: 00010286
[    3.574752] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.574826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.574900] RBP: 0000000000000000 R08: ff3addb94b09cb50 R09: ff3addb94b17f02c
[    3.574996] R10: ff3addb94b17a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.575074] R13: 0000000000000010 R14: ff3addb94b17a000 R15: ff3addb941913000
[    3.575153] FS:  00007fce23de6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.575231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.575301] CR2: 00007fce2415f493 CR3: 000000000b0e6002 CR4: 0000000000771ef0
[    3.575382] PKRU: 55555554
[    3.575433] Call Trace:
[    3.575482]  <TASK>
[    3.575531]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.575589]  register_netdevice (net/core/dev.c:11488)
[    3.575651]  register_netdev (net/core/dev.c:11552)
[    3.575706]  loopback_net_init (drivers/net/loopback.c:218)
[    3.575766]  ops_init (net/core/net_namespace.c:137)
[    3.575824]  setup_net (net/core/net_namespace.c:446)
[    3.575883]  copy_net_ns (net/core/net_namespace.c:579)
[    3.575952]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.576021]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.576086]  ksys_unshare (kernel/fork.c:3243)
[    3.576146]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.576204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.576263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.576330] RIP: 0033:0x7fce240a8bcb
[    3.576388] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.576508] RSP: 002b:00007ffe91a4d6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.576580] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fce240a8bcb
[    3.576657] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.576734] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.576808] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe91a4f900
[    3.576884] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe91a518b8
| [    3.577173] ------------[ cut here ]------------
| [    3.577234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    3.577320] Modules linked in: ipvtap ipvlan
| [    3.577473] Tainted: [W]=WARN
[    3.577527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.577598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.577663] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.577784] RSP: 0018:ff75ca83c08c7c10 EFLAGS: 00010286
[    3.577847] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.577936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    3.578019] RBP: 0000000000000000 R08: ff3addb94b09cb90 R09: ff3addb94b18d030
[    3.578096] R10: ff3addb94b17f120 R11: fefefefefefefeff R12: 0000000000000000
[    3.578172] R13: 0000000000000010 R14: ff3addb94b17f000 R15: ff3addb942060100
[    3.578250] FS:  00007fce23de6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.578329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.578398] CR2: 00007fce2415f493 CR3: 000000000b0e6002 CR4: 0000000000771ef0
[    3.578475] PKRU: 55555554
[    3.578524] Call Trace:
[    3.578574]  <TASK>
[    3.578624]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.578685]  register_netdevice (net/core/dev.c:11488)
[    3.578746]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.578807]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.578873]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.578944]  ops_init (net/core/net_namespace.c:137)
[    3.579017]  setup_net (net/core/net_namespace.c:446)
[    3.579079]  copy_net_ns (net/core/net_namespace.c:579)
[    3.579139]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.579212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.579286]  ksys_unshare (kernel/fork.c:3243)
[    3.579346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.579408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.579474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.579540] RIP: 0033:0x7fce240a8bcb
[    3.579600] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.579723] RSP: 002b:00007ffe91a4d6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.579802] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fce240a8bcb
[    3.579884] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.579976] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.580064] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe91a4f900
[    3.580145] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe91a518b8
| [    3.580393] ------------[ cut here ]------------
| [    3.580452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    3.580534] Modules linked in: ipvtap ipvlan
| [    3.580689] Tainted: [W]=WARN
[    3.580748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.580818] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.580885] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.581025] RSP: 0018:ff75ca83c08c7bf0 EFLAGS: 00010286
[    3.581091] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.581167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913d00
[    3.581239] RBP: 0000000000000000 R08: ff3addb94ae7bb50 R09: ff3addb94b18b030
[    3.581317] R10: ff3addb94b17e120 R11: fefefefefefefeff R12: 0000000000000000
[    3.581395] R13: 0000000000000010 R14: ff3addb94b17e000 R15: ff3addb941913d00
[    3.581474] FS:  00007fce23de6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.581553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.581623] CR2: 00007fce2415f493 CR3: 000000000b0e6002 CR4: 0000000000771ef0
[    3.581702] PKRU: 55555554
[    3.581752] Call Trace:
[    3.581802]  <TASK>
[    3.581851]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.581908]  register_netdevice (net/core/dev.c:11488)
[    3.581975]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.582038]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.582100]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.582160]  ops_init (net/core/net_namespace.c:137)
[    3.582221]  setup_net (net/core/net_namespace.c:446)
[    3.582283]  copy_net_ns (net/core/net_namespace.c:579)
[    3.582345]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.582413]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.582481]  ksys_unshare (kernel/fork.c:3243)
[    3.582542]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.582603]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.582665]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.582733] RIP: 0033:0x7fce240a8bcb
[    3.582794] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.582912] RSP: 002b:00007ffe91a4d6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.583001] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fce240a8bcb
[    3.583078] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.583151] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.583227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe91a4f900
[    3.583304] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe91a518b8
| [    3.583587] ------------[ cut here ]------------
| [    3.583648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    3.583733] Modules linked in: ipvtap ipvlan
| [    3.583886] Tainted: [W]=WARN
[    3.583953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.584029] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.584098] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.584220] RSP: 0018:ff75ca83c08c7ca8 EFLAGS: 00010286
[    3.584283] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.584362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.584438] RBP: 0000000000000000 R08: ff3addb94af3d810 R09: ff3addb94b20a034
[    3.584515] R10: ff3addb94b17d120 R11: fefefefefefefeff R12: 0000000000000000
[    3.584590] R13: 0000000000000010 R14: ff3addb94b17d000 R15: ff3addb941914300
[    3.584670] FS:  00007fce23de6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.584747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.584816] CR2: 00007fce2415f493 CR3: 000000000b0e6002 CR4: 0000000000771ef0
[    3.584890] PKRU: 55555554
[    3.584947] Call Trace:
[    3.585005]  <TASK>
[    3.585057]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.585120]  register_netdevice (net/core/dev.c:11488)
[    3.585180]  register_netdev (net/core/dev.c:11552)
[    3.585240]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.585303]  ops_init (net/core/net_namespace.c:137)
[    3.585366]  setup_net (net/core/net_namespace.c:446)
[    3.585428]  copy_net_ns (net/core/net_namespace.c:579)
[    3.585491]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.585555]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.585622]  ksys_unshare (kernel/fork.c:3243)
[    3.585682]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.585744]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.585806]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.585873] RIP: 0033:0x7fce240a8bcb
[    3.585936] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.586060] RSP: 002b:00007ffe91a4d6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.586137] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fce240a8bcb
[    3.586214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.586289] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.586365] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe91a4f900
[    3.586437] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe91a518b8
| [    3.586729] ------------[ cut here ]------------
| [    3.586794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    3.586874] Modules linked in: ipvtap ipvlan
| [    3.587048] Tainted: [W]=WARN
[    3.587104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.587175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.587242] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.587364] RSP: 0018:ff75ca83c08c7ca0 EFLAGS: 00010286
[    3.587428] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.587503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.587580] RBP: 0000000000000000 R08: ff3addb94af3d910 R09: ff3addb94b20f030
[    3.587657] R10: ff3addb94b20a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.587734] R13: 0000000000000010 R14: ff3addb94b20a000 R15: ff3addb942061100
[    3.587816] FS:  00007fce23de6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.587894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.587972] CR2: 00007fce2415f493 CR3: 000000000b0e6002 CR4: 0000000000771ef0
[    3.588057] PKRU: 55555554
[    3.588107] Call Trace:
[    3.588159]  <TASK>
[    3.588209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.588270]  register_netdevice (net/core/dev.c:11488)
[    3.588332]  register_netdev (net/core/dev.c:11552)
[    3.588392]  sit_init_net (net/ipv6/sit.c:1860)
[    3.588452]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.588516]  ops_init (net/core/net_namespace.c:137)
[    3.588574]  setup_net (net/core/net_namespace.c:446)
[    3.588633]  copy_net_ns (net/core/net_namespace.c:579)
[    3.588691]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.588757]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.588823]  ksys_unshare (kernel/fork.c:3243)
[    3.588884]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.588948]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.589018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.589084] RIP: 0033:0x7fce240a8bcb
[    3.589144] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.589266] RSP: 002b:00007ffe91a4d6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.589344] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fce240a8bcb
[    3.589421] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.589497] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.589575] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe91a4f900
[    3.589650] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe91a518b8
| [    3.589899] ------------[ cut here ]------------
| [    3.589970] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/367
| [    3.590059] Modules linked in: ipvtap ipvlan
| [    3.590215] Tainted: [W]=WARN
[    3.590275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.590348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.590415] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.590556] RSP: 0018:ff75ca83c08c7ca8 EFLAGS: 00010286
[    3.590620] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.590696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.590769] RBP: 0000000000000000 R08: ff3addb94a738a90 R09: ff3addb94b20c030
[    3.590845] R10: ff3addb94b20f120 R11: fefefefefefefeff R12: 0000000000000000
[    3.590929] R13: 0000000000000010 R14: ff3addb94b20f000 R15: ff3addb942061100
[    3.591017] FS:  00007fce23de6840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.591096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.591168] CR2: 00007fce2415f493 CR3: 000000000b0e6002 CR4: 0000000000771ef0
[    3.591246] PKRU: 55555554
[    3.591298] Call Trace:
[    3.591349]  <TASK>
[    3.591401]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.591464]  register_netdevice (net/core/dev.c:11488)
[    3.591525]  register_netdev (net/core/dev.c:11552)
[    3.591587]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.591650]  ops_init (net/core/net_namespace.c:137)
[    3.591711]  setup_net (net/core/net_namespace.c:446)
[    3.591776]  copy_net_ns (net/core/net_namespace.c:579)
[    3.591837]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.591904]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.591982]  ksys_unshare (kernel/fork.c:3243)
[    3.592050]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.592110]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.592178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.592244] RIP: 0033:0x7fce240a8bcb
[    3.592309] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.592455] RSP: 002b:00007ffe91a4d6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.592548] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fce240a8bcb
[    3.592634] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.592725] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.592806] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe91a4f900
[    3.592888] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe91a518b8
| [    3.596409] ------------[ cut here ]------------
| [    3.596445] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/368
| [    3.596499] Modules linked in: ipvtap ipvlan
| [    3.596580] Tainted: [W]=WARN
[    3.596602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.596631] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.596661] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.596747] RSP: 0018:ff75ca83c08cf720 EFLAGS: 00010286
[    3.596773] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.596810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.596848] RBP: 0000000000000000 R08: ff3addb94b09cb50 R09: ff3addb94ad9402c
[    3.596887] R10: ff3addb94b17a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.596933] R13: 0000000000000010 R14: ff3addb94b17a000 R15: ff3addb943040100
[    3.596981] FS:  00007fc311c39840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.597029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.597061] CR2: 00000000356c1988 CR3: 000000000b0e3003 CR4: 0000000000771ef0
[    3.597102] PKRU: 55555554
[    3.597117] Call Trace:
[    3.597130]  <TASK>
[    3.597144]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.597168]  __dev_notify_flags (net/core/dev.c:9787)
[    3.597189]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.597210]  netif_change_flags (net/core/dev.c:9820)
[    3.597233]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.597254]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.597283]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.597335]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.597357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.597385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.597408]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.597430]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.597459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.597480]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.597502]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.597523]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.597544]  ___sys_sendmsg (net/socket.c:2752)
[    3.597567]  __sys_sendmsg (net/socket.c:2784)
[    3.597588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.597609]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.597635] RIP: 0033:0x7fc311e7308e
[    3.597654] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.597740] RSP: 002b:00007ffca1a7ed90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.597780] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc311e7308e
[    3.597820] RDX: 0000000000000000 RSI: 00007ffca1a7ee40 RDI: 0000000000000005
[    3.597861] RBP: 00007ffca1a7eda0 R08: 0000000000000000 R09: 0000000000000000
[    3.597900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.597949] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca1a7f510
| [    3.612379] ------------[ cut here ]------------
| [    3.612456] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/371
| [    3.612547] Modules linked in: ipvtap ipvlan
| [    3.612706] Tainted: [W]=WARN
[    3.612762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.612833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.612897] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.613043] RSP: 0018:ff75ca83c08e7798 EFLAGS: 00010286
[    3.613107] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.613186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914200
[    3.613261] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b21a034
[    3.613341] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.613416] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941914200
[    3.613498] FS:  00007fe3c4c83840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.613577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.613649] CR2: 0000000000445730 CR3: 000000000b241002 CR4: 0000000000771ef0
[    3.613728] PKRU: 55555554
[    3.613776] Call Trace:
[    3.613824]  <TASK>
[    3.613879]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.613943]  notifier_call_chain (kernel/notifier.c:85)
[    3.614010]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.614081]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.614149] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.614212] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.614277]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.614337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.614404]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.614466]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.614530]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.614595]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.614673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.614733]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.614798]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.614859]  ___sys_sendmsg (net/socket.c:2752)
[    3.614928]  __sys_sendmsg (net/socket.c:2784)
[    3.614986]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.615065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.615135] RIP: 0033:0x7fe3c4ebd08e
[    3.615193] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.615324] RSP: 002b:00007ffea0bdc830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.615400] RAX: ffffffffffffffda RBX: 00007ffea0bdcfe8 RCX: 00007fe3c4ebd08e
[    3.615478] RDX: 0000000000000000 RSI: 00007ffea0bdc8e0 RDI: 0000000000000005
[    3.615555] RBP: 00007ffea0bdc840 R08: 0000000000000000 R09: 0000000000000000
[    3.615631] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.615708] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0bdcfa0
| [    3.615907] ------------[ cut here ]------------
| [    3.615977] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/371
| [    3.616069] Modules linked in: ipvtap ipvlan
| [    3.616225] Tainted: [W]=WARN
[    3.616279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.616347] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.616410] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.616545] RSP: 0018:ff75ca83c08e7870 EFLAGS: 00010286
[    3.616610] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.616687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913d00
[    3.616764] RBP: 0000000000000000 R08: ff3addb94af02b90 R09: ff3addb94b21a030
[    3.616839] R10: ff3addb94b174120 R11: fefefefefefefeff R12: 0000000000000000
[    3.616913] R13: 0000000000000010 R14: ff3addb94b174000 R15: ff3addb941913d00
[    3.617005] FS:  00007fe3c4c83840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.617083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.617152] CR2: 0000000000445730 CR3: 000000000b241002 CR4: 0000000000771ef0
[    3.617231] PKRU: 55555554
[    3.617279] Call Trace:
[    3.617334]  <TASK>
[    3.617387]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.617447]  __dev_notify_flags (net/core/dev.c:9787)
[    3.617508]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.617568]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.617628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.617696]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.617758]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.617825]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.617892]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.617958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.618025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.618094]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.618152]  ___sys_sendmsg (net/socket.c:2752)
[    3.618212]  __sys_sendmsg (net/socket.c:2784)
[    3.618290]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.618351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.618419] RIP: 0033:0x7fe3c4ebd08e
[    3.618478] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.618614] RSP: 002b:00007ffea0bdc830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.618697] RAX: ffffffffffffffda RBX: 00007ffea0bdcfe8 RCX: 00007fe3c4ebd08e
[    3.618777] RDX: 0000000000000000 RSI: 00007ffea0bdc8e0 RDI: 0000000000000005
[    3.618856] RBP: 00007ffea0bdc840 R08: 0000000000000000 R09: 0000000000000000
[    3.618947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.619032] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea0bdcfa0
| [    3.624459] ------------[ cut here ]------------
| [    3.624533] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/373
| [    3.624617] Modules linked in: ipvtap ipvlan
| [    3.624773] Tainted: [W]=WARN
[    3.624828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.624903] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.624978] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.625106] RSP: 0018:ff75ca83c08f7cb8 EFLAGS: 00010286
[    3.625171] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.625245] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.625325] RBP: 0000000000000000 R08: ff3addb94ac80850 R09: ff3addb94b23002c
[    3.625400] R10: ff3addb94b233120 R11: fefefefefefefeff R12: 0000000000000000
[    3.625477] R13: 0000000000000010 R14: ff3addb94b233000 R15: ff3addb941913000
[    3.625556] FS:  00007f747e659840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.625633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.625702] CR2: 00007f747e85ac20 CR3: 000000000b241005 CR4: 0000000000771ef0
[    3.625780] PKRU: 55555554
[    3.625828] Call Trace:
[    3.625877]  <TASK>
[    3.625931]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.625995]  register_netdevice (net/core/dev.c:11488)
[    3.626051]  register_netdev (net/core/dev.c:11552)
[    3.626107]  loopback_net_init (drivers/net/loopback.c:218)
[    3.626165]  ops_init (net/core/net_namespace.c:137)
[    3.626222]  setup_net (net/core/net_namespace.c:446)
[    3.626279]  copy_net_ns (net/core/net_namespace.c:579)
[    3.626335]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.626399]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.626463]  ksys_unshare (kernel/fork.c:3243)
[    3.626519]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.626574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.626630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.626694] RIP: 0033:0x7f747e91bbcb
[    3.626749] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.626879] RSP: 002b:00007ffebab6e348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.626983] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f747e91bbcb
[    3.627075] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.627152] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.627229] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebab70570
[    3.627304] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebab708b8
| [    3.627542] ------------[ cut here ]------------
| [    3.627605] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/373
| [    3.627688] Modules linked in: ipvtap ipvlan
| [    3.627844] Tainted: [W]=WARN
[    3.627899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.627975] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.628044] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.628173] RSP: 0018:ff75ca83c08f7c10 EFLAGS: 00010286
[    3.628248] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.628323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    3.628399] RBP: 0000000000000000 R08: ff3addb94b148010 R09: ff3addb94b239030
[    3.628475] R10: ff3addb94b230120 R11: fefefefefefefeff R12: 0000000000000000
[    3.628550] R13: 0000000000000010 R14: ff3addb94b230000 R15: ff3addb942060100
[    3.628629] FS:  00007f747e659840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.628707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.628779] CR2: 00007f747e85ac20 CR3: 000000000b241005 CR4: 0000000000771ef0
[    3.628857] PKRU: 55555554
[    3.628905] Call Trace:
[    3.628958]  <TASK>
[    3.629014]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.629084]  register_netdevice (net/core/dev.c:11488)
[    3.629140]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.629197]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.629254]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.629310]  ops_init (net/core/net_namespace.c:137)
[    3.629366]  setup_net (net/core/net_namespace.c:446)
[    3.629423]  copy_net_ns (net/core/net_namespace.c:579)
[    3.629479]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.629542]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.629605]  ksys_unshare (kernel/fork.c:3243)
[    3.629661]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.629716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.629772]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.629835] RIP: 0033:0x7f747e91bbcb
[    3.629890] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.630036] RSP: 002b:00007ffebab6e348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.630112] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f747e91bbcb
[    3.630186] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.630265] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.630344] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebab70570
[    3.630421] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebab708b8
| [    3.630700] ------------[ cut here ]------------
| [    3.630762] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/373
| [    3.630847] Modules linked in: ipvtap ipvlan
| [    3.631013] Tainted: [W]=WARN
[    3.631080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.631150] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.631213] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.631346] RSP: 0018:ff75ca83c08f7bf0 EFLAGS: 00010286
[    3.631409] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.631485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    3.631559] RBP: 0000000000000000 R08: ff3addb94b148c90 R09: ff3addb94b2fb030
[    3.631633] R10: ff3addb94b237120 R11: fefefefefefefeff R12: 0000000000000000
[    3.631712] R13: 0000000000000010 R14: ff3addb94b237000 R15: ff3addb941913f00
[    3.631790] FS:  00007f747e659840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.631867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.631940] CR2: 00007f747e85ac20 CR3: 000000000b241005 CR4: 0000000000771ef0
[    3.632022] PKRU: 55555554
[    3.632071] Call Trace:
[    3.632121]  <TASK>
[    3.632169]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.632226]  register_netdevice (net/core/dev.c:11488)
[    3.632283]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.632339]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.632397]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.632453]  ops_init (net/core/net_namespace.c:137)
[    3.632511]  setup_net (net/core/net_namespace.c:446)
[    3.632567]  copy_net_ns (net/core/net_namespace.c:579)
[    3.632623]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.632686]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.632749]  ksys_unshare (kernel/fork.c:3243)
[    3.632805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.632863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.632927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.633016] RIP: 0033:0x7f747e91bbcb
[    3.633073] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.633206] RSP: 002b:00007ffebab6e348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.633284] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f747e91bbcb
[    3.633358] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.633436] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.633516] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebab70570
[    3.633596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebab708b8
| [    3.633877] ------------[ cut here ]------------
| [    3.633946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/373
| [    3.634036] Modules linked in: ipvtap ipvlan
| [    3.634191] Tainted: [W]=WARN
[    3.634245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.634313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.634376] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.634507] RSP: 0018:ff75ca83c08f7ca8 EFLAGS: 00010286
[    3.634569] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.634644] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.634721] RBP: 0000000000000000 R08: ff3addb94af02910 R09: ff3addb94b303034
[    3.634799] R10: ff3addb94b236120 R11: fefefefefefefeff R12: 0000000000000000
[    3.634875] R13: 0000000000000010 R14: ff3addb94b236000 R15: ff3addb942063c00
[    3.634963] FS:  00007f747e659840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.635043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.635112] CR2: 00007f747e85ac20 CR3: 000000000b241005 CR4: 0000000000771ef0
[    3.635192] PKRU: 55555554
[    3.635240] Call Trace:
[    3.635288]  <TASK>
[    3.635336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.635393]  register_netdevice (net/core/dev.c:11488)
[    3.635449]  register_netdev (net/core/dev.c:11552)
[    3.635505]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.635562]  ops_init (net/core/net_namespace.c:137)
[    3.635618]  setup_net (net/core/net_namespace.c:446)
[    3.635675]  copy_net_ns (net/core/net_namespace.c:579)
[    3.635731]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.635794]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.635858]  ksys_unshare (kernel/fork.c:3243)
[    3.635914]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.635977]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.636039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.636101] RIP: 0033:0x7f747e91bbcb
[    3.636155] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.636284] RSP: 002b:00007ffebab6e348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.636360] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f747e91bbcb
[    3.636436] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.636514] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.636594] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebab70570
[    3.636671] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebab708b8
| [    3.636962] ------------[ cut here ]------------
| [    3.637034] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/373
| [    3.637120] Modules linked in: ipvtap ipvlan
| [    3.637277] Tainted: [W]=WARN
[    3.637332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.637402] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.637467] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.637596] RSP: 0018:ff75ca83c08f7ca0 EFLAGS: 00010286
[    3.637659] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.637735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.637810] RBP: 0000000000000000 R08: ff3addb94ae7b450 R09: ff3addb94b300030
[    3.637887] R10: ff3addb94b303120 R11: fefefefefefefeff R12: 0000000000000000
[    3.638001] R13: 0000000000000010 R14: ff3addb94b303000 R15: ff3addb942061100
[    3.638084] FS:  00007f747e659840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.638164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.638231] CR2: 00007f747e85ac20 CR3: 000000000b241005 CR4: 0000000000771ef0
[    3.638308] PKRU: 55555554
[    3.638356] Call Trace:
[    3.638404]  <TASK>
[    3.638453]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.638508]  register_netdevice (net/core/dev.c:11488)
[    3.638564]  register_netdev (net/core/dev.c:11552)
[    3.638620]  sit_init_net (net/ipv6/sit.c:1860)
[    3.638677]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.638734]  ops_init (net/core/net_namespace.c:137)
[    3.638790]  setup_net (net/core/net_namespace.c:446)
[    3.638847]  copy_net_ns (net/core/net_namespace.c:579)
[    3.638903]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.638975]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.639050]  ksys_unshare (kernel/fork.c:3243)
[    3.639108]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.639164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.639220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.639283] RIP: 0033:0x7f747e91bbcb
[    3.639338] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.639469] RSP: 002b:00007ffebab6e348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.639545] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f747e91bbcb
[    3.639621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.639697] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.639770] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebab70570
[    3.639847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebab708b8
| [    3.640108] ------------[ cut here ]------------
| [    3.640174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/373
| [    3.640260] Modules linked in: ipvtap ipvlan
| [    3.640411] Tainted: [W]=WARN
[    3.640465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.640533] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.640595] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.640727] RSP: 0018:ff75ca83c08f7ca8 EFLAGS: 00010286
[    3.640788] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.640863] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.640953] RBP: 0000000000000000 R08: ff3addb94af02850 R09: ff3addb94b305030
[    3.641036] R10: ff3addb94b300120 R11: fefefefefefefeff R12: 0000000000000000
[    3.641112] R13: 0000000000000010 R14: ff3addb94b300000 R15: ff3addb942061100
[    3.641191] FS:  00007f747e659840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.641268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.641336] CR2: 00007f747e85ac20 CR3: 000000000b241005 CR4: 0000000000771ef0
[    3.641414] PKRU: 55555554
[    3.641462] Call Trace:
[    3.641510]  <TASK>
[    3.641559]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.641614]  register_netdevice (net/core/dev.c:11488)
[    3.641672]  register_netdev (net/core/dev.c:11552)
[    3.641727]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.641785]  ops_init (net/core/net_namespace.c:137)
[    3.641842]  setup_net (net/core/net_namespace.c:446)
[    3.641899]  copy_net_ns (net/core/net_namespace.c:579)
[    3.641960]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.642028]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.642090]  ksys_unshare (kernel/fork.c:3243)
[    3.642146]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.642202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.642258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.642320] RIP: 0033:0x7f747e91bbcb
[    3.642375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.642509] RSP: 002b:00007ffebab6e348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.642584] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f747e91bbcb
[    3.642661] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.642739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.642816] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffebab70570
[    3.642891] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffebab708b8
| [    3.646210] ------------[ cut here ]------------
| [    3.646251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/374
| [    3.646299] Modules linked in: ipvtap ipvlan
| [    3.646381] Tainted: [W]=WARN
[    3.646406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.646439] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.646466] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.646552] RSP: 0018:ff75ca83c08ff720 EFLAGS: 00010286
[    3.646581] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.646619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.646655] RBP: 0000000000000000 R08: ff3addb94ac80850 R09: ff3addb94ad9402c
[    3.646697] R10: ff3addb94b233120 R11: fefefefefefefeff R12: 0000000000000000
[    3.646734] R13: 0000000000000010 R14: ff3addb94b233000 R15: ff3addb943040100
[    3.646777] FS:  00007fb9f6aeb840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.646825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.646855] CR2: 0000000021c53988 CR3: 000000000b0f9005 CR4: 0000000000771ef0
[    3.646899] PKRU: 55555554
[    3.646913] Call Trace:
[    3.646932]  <TASK>
[    3.646944]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.646962]  __dev_notify_flags (net/core/dev.c:9787)
[    3.646983]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.647012]  netif_change_flags (net/core/dev.c:9820)
[    3.647034]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.647055]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.647085]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.647106]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.647130]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.647154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.647179]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.647200]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.647223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.647243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.647262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.647284]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.647304]  ___sys_sendmsg (net/socket.c:2752)
[    3.647327]  __sys_sendmsg (net/socket.c:2784)
[    3.647352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.647375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.647403] RIP: 0033:0x7fb9f6d2508e
[    3.647423] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.647514] RSP: 002b:00007ffd852b5980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.647555] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb9f6d2508e
[    3.647594] RDX: 0000000000000000 RSI: 00007ffd852b5a30 RDI: 0000000000000005
[    3.647636] RBP: 00007ffd852b5990 R08: 0000000000000000 R09: 0000000000000000
[    3.647673] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.647715] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd852b6100
| [    3.662129] ------------[ cut here ]------------
| [    3.662211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/377
| [    3.662300] Modules linked in: ipvtap ipvlan
| [    3.662457] Tainted: [W]=WARN
[    3.662511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.662582] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.662646] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.662788] RSP: 0018:ff75ca83c0917798 EFLAGS: 00010286
[    3.662855] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.662944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913d00
[    3.663069] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b313034
[    3.663148] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.663224] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913d00
[    3.663304] FS:  00007f243fe14840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.663383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.663459] CR2: 0000000000445730 CR3: 000000000b029005 CR4: 0000000000771ef0
[    3.663544] PKRU: 55555554
[    3.663593] Call Trace:
[    3.663644]  <TASK>
[    3.663695]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.663751]  notifier_call_chain (kernel/notifier.c:85)
[    3.663808]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.663875]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.663946] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.664018] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.664084]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.664151]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.664215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.664273]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.664337]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.664402]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.664459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.664516]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.664572]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.664628]  ___sys_sendmsg (net/socket.c:2752)
[    3.664685]  __sys_sendmsg (net/socket.c:2784)
[    3.664741]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.664800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.664864] RIP: 0033:0x7f244004e08e
[    3.664926] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.665066] RSP: 002b:00007ffec3914030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.665144] RAX: ffffffffffffffda RBX: 00007ffec39147e8 RCX: 00007f244004e08e
[    3.665221] RDX: 0000000000000000 RSI: 00007ffec39140e0 RDI: 0000000000000005
[    3.665297] RBP: 00007ffec3914040 R08: 0000000000000000 R09: 0000000000000000
[    3.665374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.665451] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec39147a0
| [    3.665650] ------------[ cut here ]------------
| [    3.665711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/377
| [    3.665796] Modules linked in: ipvtap ipvlan
| [    3.665956] Tainted: [W]=WARN
[    3.666016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.666084] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.666147] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.666274] RSP: 0018:ff75ca83c0917870 EFLAGS: 00010286
[    3.666337] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.666413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    3.666490] RBP: 0000000000000000 R08: ff3addb94af3dad0 R09: ff3addb94b313030
[    3.666574] R10: ff3addb94b22c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.666657] R13: 0000000000000010 R14: ff3addb94b22c000 R15: ff3addb941913f00
[    3.666737] FS:  00007f243fe14840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.666815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.666883] CR2: 0000000000445730 CR3: 000000000b029005 CR4: 0000000000771ef0
[    3.666976] PKRU: 55555554
[    3.667029] Call Trace:
[    3.667077]  <TASK>
[    3.667125]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.667181]  __dev_notify_flags (net/core/dev.c:9787)
[    3.667239]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.667295]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.667352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.667415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.667472]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.667534]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.667597]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.667654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.667712]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.667769]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.667827]  ___sys_sendmsg (net/socket.c:2752)
[    3.667884]  __sys_sendmsg (net/socket.c:2784)
[    3.667947]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.668009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.668072] RIP: 0033:0x7f244004e08e
[    3.668127] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.668260] RSP: 002b:00007ffec3914030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.669380] RAX: ffffffffffffffda RBX: 00007ffec39147e8 RCX: 00007f244004e08e
[    3.669463] RDX: 0000000000000000 RSI: 00007ffec39140e0 RDI: 0000000000000005
[    3.669541] RBP: 00007ffec3914040 R08: 0000000000000000 R09: 0000000000000000
[    3.669620] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.669699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec39147a0
| [    3.674982] ------------[ cut here ]------------
| [    3.675056] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/379
| [    3.675139] Modules linked in: ipvtap ipvlan
| [    3.675301] Tainted: [W]=WARN
[    3.675358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.675428] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.675493] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.675629] RSP: 0018:ff75ca83c0927cb8 EFLAGS: 00010286
[    3.675694] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.675774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.675853] RBP: 0000000000000000 R08: ff3addb94b148810 R09: ff3addb94b32902c
[    3.675949] R10: ff3addb94b314120 R11: fefefefefefefeff R12: 0000000000000000
[    3.676038] R13: 0000000000000010 R14: ff3addb94b314000 R15: ff3addb941913000
[    3.676117] FS:  00007f1ced6b2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.676199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.676267] CR2: 00007f1ced8b9430 CR3: 000000000b2a2002 CR4: 0000000000771ef0
[    3.676347] PKRU: 55555554
[    3.676395] Call Trace:
[    3.676443]  <TASK>
[    3.676492]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.676549]  register_netdevice (net/core/dev.c:11488)
[    3.676606]  register_netdev (net/core/dev.c:11552)
[    3.676663]  loopback_net_init (drivers/net/loopback.c:218)
[    3.676721]  ops_init (net/core/net_namespace.c:137)
[    3.676779]  setup_net (net/core/net_namespace.c:446)
[    3.676844]  copy_net_ns (net/core/net_namespace.c:579)
[    3.676901]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.676972]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.677044]  ksys_unshare (kernel/fork.c:3243)
[    3.677101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.677157]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.677214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.677277] RIP: 0033:0x7f1ced974bcb
[    3.677332] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.677468] RSP: 002b:00007fff506ac018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.677547] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ced974bcb
[    3.677626] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.677703] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.677781] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff506ae240
[    3.677858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff506ae8b8
| [    3.678117] ------------[ cut here ]------------
| [    3.678180] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/379
| [    3.678263] Modules linked in: ipvtap ipvlan
| [    3.678420] Tainted: [W]=WARN
[    3.678476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.678545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.678608] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.678738] RSP: 0018:ff75ca83c0927c10 EFLAGS: 00010286
[    3.678800] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.678876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    3.678954] RBP: 0000000000000000 R08: ff3addb94b148b90 R09: ff3addb94b31f030
[    3.679038] R10: ff3addb94b329120 R11: fefefefefefefeff R12: 0000000000000000
[    3.679114] R13: 0000000000000010 R14: ff3addb94b329000 R15: ff3addb942060100
[    3.679196] FS:  00007f1ced6b2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.679276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.679343] CR2: 00007f1ced8b9430 CR3: 000000000b2a2002 CR4: 0000000000771ef0
[    3.679421] PKRU: 55555554
[    3.679469] Call Trace:
[    3.679517]  <TASK>
[    3.679565]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.679649]  register_netdevice (net/core/dev.c:11488)
[    3.679708]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.679765]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.679822]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.679878]  ops_init (net/core/net_namespace.c:137)
[    3.679942]  setup_net (net/core/net_namespace.c:446)
[    3.680006]  copy_net_ns (net/core/net_namespace.c:579)
[    3.680063]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.680126]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.680194]  ksys_unshare (kernel/fork.c:3243)
[    3.680250]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.680310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.680367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.680431] RIP: 0033:0x7f1ced974bcb
[    3.680489] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.680626] RSP: 002b:00007fff506ac018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.680706] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ced974bcb
[    3.680784] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.680857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.680940] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff506ae240
[    3.681021] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff506ae8b8
| [    3.681259] ------------[ cut here ]------------
| [    3.681322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/379
| [    3.681406] Modules linked in: ipvtap ipvlan
| [    3.681559] Tainted: [W]=WARN
[    3.681613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.681680] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.681741] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.681871] RSP: 0018:ff75ca83c0927bf0 EFLAGS: 00010286
[    3.681941] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.682022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    3.682096] RBP: 0000000000000000 R08: ff3addb94a738f10 R09: ff3addb94b31d030
[    3.682171] R10: ff3addb94b328120 R11: fefefefefefefeff R12: 0000000000000000
[    3.682246] R13: 0000000000000010 R14: ff3addb94b328000 R15: ff3addb942061400
[    3.682325] FS:  00007f1ced6b2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.682404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.682474] CR2: 00007f1ced8b9430 CR3: 000000000b2a2002 CR4: 0000000000771ef0
[    3.682553] PKRU: 55555554
[    3.682602] Call Trace:
[    3.682650]  <TASK>
[    3.682698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.682754]  register_netdevice (net/core/dev.c:11488)
[    3.682811]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.682867]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.682930]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.682986]  ops_init (net/core/net_namespace.c:137)
[    3.683052]  setup_net (net/core/net_namespace.c:446)
[    3.683108]  copy_net_ns (net/core/net_namespace.c:579)
[    3.683164]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.683229]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.683293]  ksys_unshare (kernel/fork.c:3243)
[    3.683349]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.683407]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.683464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.683529] RIP: 0033:0x7f1ced974bcb
[    3.683584] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.683713] RSP: 002b:00007fff506ac018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.683789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ced974bcb
[    3.683864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.683947] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.684029] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff506ae240
[    3.684104] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff506ae8b8
| [    3.684374] ------------[ cut here ]------------
| [    3.684436] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/379
| [    3.684521] Modules linked in: ipvtap ipvlan
| [    3.684676] Tainted: [W]=WARN
[    3.684730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.684799] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.684864] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.685012] RSP: 0018:ff75ca83c0927ca8 EFLAGS: 00010286
[    3.685074] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.685150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914400
[    3.685225] RBP: 0000000000000000 R08: ff3addb94a638290 R09: ff3addb94b32c034
[    3.685301] R10: ff3addb94b32f120 R11: fefefefefefefeff R12: 0000000000000000
[    3.685379] R13: 0000000000000010 R14: ff3addb94b32f000 R15: ff3addb941914400
[    3.685457] FS:  00007f1ced6b2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.685534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.685603] CR2: 00007f1ced8b9430 CR3: 000000000b2a2002 CR4: 0000000000771ef0
[    3.685681] PKRU: 55555554
[    3.685729] Call Trace:
[    3.685777]  <TASK>
[    3.685826]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.685882]  register_netdevice (net/core/dev.c:11488)
[    3.685945]  register_netdev (net/core/dev.c:11552)
[    3.686008]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.686066]  ops_init (net/core/net_namespace.c:137)
[    3.686123]  setup_net (net/core/net_namespace.c:446)
[    3.686180]  copy_net_ns (net/core/net_namespace.c:579)
[    3.686237]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.686301]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.686367]  ksys_unshare (kernel/fork.c:3243)
[    3.686424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.686485]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.686542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.686604] RIP: 0033:0x7f1ced974bcb
[    3.686660] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.686790] RSP: 002b:00007fff506ac018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.686866] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ced974bcb
[    3.686948] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.687031] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.687110] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff506ae240
[    3.687186] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff506ae8b8
| [    3.687463] ------------[ cut here ]------------
| [    3.687526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/379
| [    3.687614] Modules linked in: ipvtap ipvlan
| [    3.687771] Tainted: [W]=WARN
[    3.687825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.687892] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.687960] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.688098] RSP: 0018:ff75ca83c0927ca0 EFLAGS: 00010286
[    3.688160] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.688236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.688350] RBP: 0000000000000000 R08: ff3addb94aeb6790 R09: ff3addb94b3f9030
[    3.688427] R10: ff3addb94b32c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.688503] R13: 0000000000000010 R14: ff3addb94b32c000 R15: ff3addb942061100
[    3.688583] FS:  00007f1ced6b2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.688660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.688729] CR2: 00007f1ced8b9430 CR3: 000000000b2a2002 CR4: 0000000000771ef0
[    3.688832] PKRU: 55555554
[    3.688882] Call Trace:
[    3.688936]  <TASK>
[    3.688985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.689050]  register_netdevice (net/core/dev.c:11488)
[    3.689106]  register_netdev (net/core/dev.c:11552)
[    3.689162]  sit_init_net (net/ipv6/sit.c:1860)
[    3.689219]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.689275]  ops_init (net/core/net_namespace.c:137)
[    3.689331]  setup_net (net/core/net_namespace.c:446)
[    3.689401]  copy_net_ns (net/core/net_namespace.c:579)
[    3.689457]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.689520]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.689583]  ksys_unshare (kernel/fork.c:3243)
[    3.689640]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.689696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.689753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.689817] RIP: 0033:0x7f1ced974bcb
[    3.689873] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.690020] RSP: 002b:00007fff506ac018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.690096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ced974bcb
[    3.690174] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.690250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.690326] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff506ae240
[    3.690400] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff506ae8b8
| [    3.690687] ------------[ cut here ]------------
| [    3.690750] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/379
| [    3.690837] Modules linked in: ipvtap ipvlan
| [    3.691002] Tainted: [W]=WARN
[    3.691057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.691125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.691188] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.691320] RSP: 0018:ff75ca83c0927ca8 EFLAGS: 00010286
[    3.691384] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.691460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.691536] RBP: 0000000000000000 R08: ff3addb94af022d0 R09: ff3addb94b3fe030
[    3.691612] R10: ff3addb94b3f9120 R11: fefefefefefefeff R12: 0000000000000000
[    3.691687] R13: 0000000000000010 R14: ff3addb94b3f9000 R15: ff3addb942061100
[    3.691793] FS:  00007f1ced6b2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.691873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.691948] CR2: 00007f1ced8b9430 CR3: 000000000b2a2002 CR4: 0000000000771ef0
[    3.692029] PKRU: 55555554
[    3.692078] Call Trace:
[    3.692126]  <TASK>
[    3.692174]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.692231]  register_netdevice (net/core/dev.c:11488)
[    3.692287]  register_netdev (net/core/dev.c:11552)
[    3.692342]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.692403]  ops_init (net/core/net_namespace.c:137)
[    3.692465]  setup_net (net/core/net_namespace.c:446)
[    3.692526]  copy_net_ns (net/core/net_namespace.c:579)
[    3.692587]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.692654]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.692721]  ksys_unshare (kernel/fork.c:3243)
[    3.692782]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.692841]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.692902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.692980] RIP: 0033:0x7f1ced974bcb
[    3.693048] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.693180] RSP: 002b:00007fff506ac018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.693261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1ced974bcb
[    3.693353] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.693430] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.693506] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff506ae240
[    3.693583] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff506ae8b8
| [    3.696927] ------------[ cut here ]------------
| [    3.696963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/380
| [    3.697064] Modules linked in: ipvtap ipvlan
| [    3.697151] Tainted: [W]=WARN
[    3.697171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.697205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.697234] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.697330] RSP: 0018:ff75ca83c092f720 EFLAGS: 00010286
[    3.697358] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.697391] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.697431] RBP: 0000000000000000 R08: ff3addb94b148810 R09: ff3addb94ad9402c
[    3.697467] R10: ff3addb94b314120 R11: fefefefefefefeff R12: 0000000000000000
[    3.697512] R13: 0000000000000010 R14: ff3addb94b314000 R15: ff3addb943040100
[    3.697557] FS:  00007fa5f9570840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.697601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.697631] CR2: 00007fa5f98401a0 CR3: 000000000b112001 CR4: 0000000000771ef0
[    3.697675] PKRU: 55555554
[    3.697691] Call Trace:
[    3.697704]  <TASK>
[    3.697721]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.697740]  __dev_notify_flags (net/core/dev.c:9787)
[    3.697762]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.697787]  netif_change_flags (net/core/dev.c:9820)
[    3.697805]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.697827]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.697855]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.697879]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.697902]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.697929]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.697952]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.697973]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.698003]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.698025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.698050]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.698072]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.698090]  ___sys_sendmsg (net/socket.c:2752)
[    3.698112]  __sys_sendmsg (net/socket.c:2784)
[    3.698135]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.698155]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.698180] RIP: 0033:0x7fa5f97aa08e
[    3.698202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.698298] RSP: 002b:00007ffc1f8a6d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.698340] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa5f97aa08e
[    3.698379] RDX: 0000000000000000 RSI: 00007ffc1f8a6e30 RDI: 0000000000000005
[    3.698419] RBP: 00007ffc1f8a6d90 R08: 0000000000000000 R09: 0000000000000000
[    3.698456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.698500] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1f8a7500
| [    3.712603] ------------[ cut here ]------------
| [    3.712677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/383
| [    3.712766] Modules linked in: ipvtap ipvlan
| [    3.712939] Tainted: [W]=WARN
[    3.713005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.713075] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.713140] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.713273] RSP: 0018:ff75ca83c0947798 EFLAGS: 00010286
[    3.713339] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.713415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913f00
[    3.713499] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b3fc034
[    3.713576] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.713655] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941913f00
[    3.713738] FS:  00007fb572db2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.713818] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.713889] CR2: 0000000000445730 CR3: 000000000b372002 CR4: 0000000000771ef0
[    3.713973] PKRU: 55555554
[    3.714033] Call Trace:
[    3.714082]  <TASK>
[    3.714131]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.714189]  notifier_call_chain (kernel/notifier.c:85)
[    3.714246]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.714311]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.714376] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.714440] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.714505]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.714563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.714626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.714684]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.714748]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.714811]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.714871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.714936]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.714999]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.715057]  ___sys_sendmsg (net/socket.c:2752)
[    3.715119]  __sys_sendmsg (net/socket.c:2784)
[    3.715176]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.715245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.715311] RIP: 0033:0x7fb572fec08e
[    3.715366] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.715494] RSP: 002b:00007ffc8c7781f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.715575] RAX: ffffffffffffffda RBX: 00007ffc8c7789a8 RCX: 00007fb572fec08e
[    3.715652] RDX: 0000000000000000 RSI: 00007ffc8c7782a0 RDI: 0000000000000005
[    3.715729] RBP: 00007ffc8c778200 R08: 0000000000000000 R09: 0000000000000000
[    3.715808] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.715889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8c778960
| [    3.716116] ------------[ cut here ]------------
| [    3.716184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/383
| [    3.716272] Modules linked in: ipvtap ipvlan
| [    3.716441] Tainted: [W]=WARN
[    3.716499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.716574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.716643] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.716779] RSP: 0018:ff75ca83c0947870 EFLAGS: 00010286
[    3.716847] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.716938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    3.717025] RBP: 0000000000000000 R08: ff3addb94b374350 R09: ff3addb94b3fc030
[    3.717112] R10: ff3addb94b324120 R11: fefefefefefefeff R12: 0000000000000000
[    3.717190] R13: 0000000000000010 R14: ff3addb94b324000 R15: ff3addb942061400
[    3.717271] FS:  00007fb572db2840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.717347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.717416] CR2: 0000000000445730 CR3: 000000000b372002 CR4: 0000000000771ef0
[    3.717497] PKRU: 55555554
[    3.717546] Call Trace:
[    3.717595]  <TASK>
[    3.717645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.717702]  __dev_notify_flags (net/core/dev.c:9787)
[    3.717760]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.717817]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.717875]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.717947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.718011]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.718074]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.718140]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.718199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.718257]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.718314]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.718372]  ___sys_sendmsg (net/socket.c:2752)
[    3.718430]  __sys_sendmsg (net/socket.c:2784)
[    3.718488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.718544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.718608] RIP: 0033:0x7fb572fec08e
[    3.718664] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.718789] RSP: 002b:00007ffc8c7781f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.718868] RAX: ffffffffffffffda RBX: 00007ffc8c7789a8 RCX: 00007fb572fec08e
[    3.718952] RDX: 0000000000000000 RSI: 00007ffc8c7782a0 RDI: 0000000000000005
[    3.719038] RBP: 00007ffc8c778200 R08: 0000000000000000 R09: 0000000000000000
[    3.719119] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.719193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8c778960
| [    3.724506] ------------[ cut here ]------------
| [    3.724567] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [    3.724656] Modules linked in: ipvtap ipvlan
| [    3.724811] Tainted: [W]=WARN
[    3.724867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.724944] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.725016] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.725144] RSP: 0018:ff75ca83c0957cb8 EFLAGS: 00010286
[    3.725213] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.725289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.725368] RBP: 0000000000000000 R08: ff3addb94ae7b590 R09: ff3addb94b8e202c
[    3.725444] R10: ff3addb94b815120 R11: fefefefefefefeff R12: 0000000000000000
[    3.725521] R13: 0000000000000010 R14: ff3addb94b815000 R15: ff3addb941913000
[    3.725602] FS:  00007f056470b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.725679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.725749] CR2: 00007f056490cc20 CR3: 000000000b372005 CR4: 0000000000771ef0
[    3.725829] PKRU: 55555554
[    3.725879] Call Trace:
[    3.725939]  <TASK>
[    3.725995]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.726053]  register_netdevice (net/core/dev.c:11488)
[    3.726109]  register_netdev (net/core/dev.c:11552)
[    3.726170]  loopback_net_init (drivers/net/loopback.c:218)
[    3.726228]  ops_init (net/core/net_namespace.c:137)
[    3.726285]  setup_net (net/core/net_namespace.c:446)
[    3.726344]  copy_net_ns (net/core/net_namespace.c:579)
[    3.726402]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.726467]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.726532]  ksys_unshare (kernel/fork.c:3243)
[    3.726589]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.726646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.726703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.726766] RIP: 0033:0x7f05649cdbcb
[    3.726824] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.726975] RSP: 002b:00007ffcc4fab978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.727062] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f05649cdbcb
[    3.727139] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.727217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.727296] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc4fadba0
[    3.727373] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc4fae8b8
| [    3.727624] ------------[ cut here ]------------
| [    3.727687] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [    3.727769] Modules linked in: ipvtap ipvlan
| [    3.727946] Tainted: [W]=WARN
[    3.728009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.728102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.728170] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.728297] RSP: 0018:ff75ca83c0957c10 EFLAGS: 00010286
[    3.728363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.728443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    3.728521] RBP: 0000000000000000 R08: ff3addb94b374450 R09: ff3addb94b826030
[    3.728601] R10: ff3addb94b8e2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.728680] R13: 0000000000000010 R14: ff3addb94b8e2000 R15: ff3addb942060100
[    3.728763] FS:  00007f056470b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.728846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.728917] CR2: 00007f056490cc20 CR3: 000000000b372005 CR4: 0000000000771ef0
[    3.729013] PKRU: 55555554
[    3.729064] Call Trace:
[    3.729114]  <TASK>
[    3.729164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.729222]  register_netdevice (net/core/dev.c:11488)
[    3.729285]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.729342]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.729403]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.729462]  ops_init (net/core/net_namespace.c:137)
[    3.729519]  setup_net (net/core/net_namespace.c:446)
[    3.729578]  copy_net_ns (net/core/net_namespace.c:579)
[    3.729636]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.729707]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.729773]  ksys_unshare (kernel/fork.c:3243)
[    3.729835]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.729891]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.729953]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.730022] RIP: 0033:0x7f05649cdbcb
[    3.730084] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.730209] RSP: 002b:00007ffcc4fab978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.730289] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f05649cdbcb
[    3.730364] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.730439] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.730513] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc4fadba0
[    3.730588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc4fae8b8
| [    3.730830] ------------[ cut here ]------------
| [    3.730893] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [    3.730999] Modules linked in: ipvtap ipvlan
| [    3.731152] Tainted: [W]=WARN
[    3.731207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.731276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.731341] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.731468] RSP: 0018:ff75ca83c0957bf0 EFLAGS: 00010286
[    3.731531] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.731606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.731681] RBP: 0000000000000000 R08: ff3addb94ac807d0 R09: ff3addb94b825030
[    3.731756] R10: ff3addb94b8e1120 R11: fefefefefefefeff R12: 0000000000000000
[    3.731831] R13: 0000000000000010 R14: ff3addb94b8e1000 R15: ff3addb941914300
[    3.731910] FS:  00007f056470b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.731997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.732066] CR2: 00007f056490cc20 CR3: 000000000b372005 CR4: 0000000000771ef0
[    3.732144] PKRU: 55555554
[    3.732193] Call Trace:
[    3.732242]  <TASK>
[    3.732292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.732349]  register_netdevice (net/core/dev.c:11488)
[    3.732405]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.732461]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.732518]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.732575]  ops_init (net/core/net_namespace.c:137)
[    3.732632]  setup_net (net/core/net_namespace.c:446)
[    3.732689]  copy_net_ns (net/core/net_namespace.c:579)
[    3.732746]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.732810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.732882]  ksys_unshare (kernel/fork.c:3243)
[    3.732947]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.733011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.733068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.733131] RIP: 0033:0x7f05649cdbcb
[    3.733188] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.733314] RSP: 002b:00007ffcc4fab978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.733390] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f05649cdbcb
[    3.733466] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.733541] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.733616] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc4fadba0
[    3.733691] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc4fae8b8
| [    3.733977] ------------[ cut here ]------------
| [    3.734050] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [    3.734138] Modules linked in: ipvtap ipvlan
| [    3.734297] Tainted: [W]=WARN
[    3.734351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.734419] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.734484] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.734610] RSP: 0018:ff75ca83c0957ca8 EFLAGS: 00010286
[    3.734674] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.734751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913b00
[    3.734825] RBP: 0000000000000000 R08: ff3addb94ac80710 R09: ff3addb94b8e5034
[    3.734900] R10: ff3addb94b8e0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.734981] R13: 0000000000000010 R14: ff3addb94b8e0000 R15: ff3addb941913b00
[    3.735064] FS:  00007f056470b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.735141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.735209] CR2: 00007f056490cc20 CR3: 000000000b372005 CR4: 0000000000771ef0
[    3.735289] PKRU: 55555554
[    3.735337] Call Trace:
[    3.735387]  <TASK>
[    3.735440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.735504]  register_netdevice (net/core/dev.c:11488)
[    3.735559]  register_netdev (net/core/dev.c:11552)
[    3.735616]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.735677]  ops_init (net/core/net_namespace.c:137)
[    3.735734]  setup_net (net/core/net_namespace.c:446)
[    3.735798]  copy_net_ns (net/core/net_namespace.c:579)
[    3.735860]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.735938]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.736016]  ksys_unshare (kernel/fork.c:3243)
[    3.736078]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.736139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.736197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.736259] RIP: 0033:0x7f05649cdbcb
[    3.736317] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.736442] RSP: 002b:00007ffcc4fab978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.736518] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f05649cdbcb
[    3.736592] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.736667] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.736742] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc4fadba0
[    3.736816] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc4fae8b8
| [    3.737141] ------------[ cut here ]------------
| [    3.737205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [    3.737287] Modules linked in: ipvtap ipvlan
| [    3.737440] Tainted: [W]=WARN
[    3.737494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.737562] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.737627] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.737752] RSP: 0018:ff75ca83c0957ca0 EFLAGS: 00010286
[    3.737815] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.737890] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.737975] RBP: 0000000000000000 R08: ff3addb94af3df90 R09: ff3addb94b8f2030
[    3.738057] R10: ff3addb94b8e5120 R11: fefefefefefefeff R12: 0000000000000000
[    3.738134] R13: 0000000000000010 R14: ff3addb94b8e5000 R15: ff3addb942061100
[    3.738214] FS:  00007f056470b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.738291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.738360] CR2: 00007f056490cc20 CR3: 000000000b372005 CR4: 0000000000771ef0
[    3.738438] PKRU: 55555554
[    3.738487] Call Trace:
[    3.738536]  <TASK>
[    3.738586]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.738642]  register_netdevice (net/core/dev.c:11488)
[    3.738699]  register_netdev (net/core/dev.c:11552)
[    3.738756]  sit_init_net (net/ipv6/sit.c:1860)
[    3.738812]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.738869]  ops_init (net/core/net_namespace.c:137)
[    3.738933]  setup_net (net/core/net_namespace.c:446)
[    3.738996]  copy_net_ns (net/core/net_namespace.c:579)
[    3.739054]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.739118]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.739181]  ksys_unshare (kernel/fork.c:3243)
[    3.739237]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.739293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.739350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.739413] RIP: 0033:0x7f05649cdbcb
[    3.739469] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.739596] RSP: 002b:00007ffcc4fab978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.739671] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f05649cdbcb
[    3.739746] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.739821] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.739896] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc4fadba0
[    3.739981] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc4fae8b8
| [    3.740232] ------------[ cut here ]------------
| [    3.740294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [    3.740377] Modules linked in: ipvtap ipvlan
| [    3.740528] Tainted: [W]=WARN
[    3.740582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.740650] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.740715] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.740841] RSP: 0018:ff75ca83c0957ca8 EFLAGS: 00010286
[    3.740904] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.740997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.741071] RBP: 0000000000000000 R08: ff3addb94b374b90 R09: ff3addb94b8f7030
[    3.741146] R10: ff3addb94b8f2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.741221] R13: 0000000000000010 R14: ff3addb94b8f2000 R15: ff3addb942061100
[    3.741299] FS:  00007f056470b840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.741375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.741443] CR2: 00007f056490cc20 CR3: 000000000b372005 CR4: 0000000000771ef0
[    3.741521] PKRU: 55555554
[    3.741570] Call Trace:
[    3.741619]  <TASK>
[    3.741668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.741725]  register_netdevice (net/core/dev.c:11488)
[    3.741781]  register_netdev (net/core/dev.c:11552)
[    3.741837]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.741893]  ops_init (net/core/net_namespace.c:137)
[    3.741959]  setup_net (net/core/net_namespace.c:446)
[    3.742022]  copy_net_ns (net/core/net_namespace.c:579)
[    3.742081]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.742144]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.742207]  ksys_unshare (kernel/fork.c:3243)
[    3.742265]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.742321]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.742378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.742441] RIP: 0033:0x7f05649cdbcb
[    3.742496] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.742621] RSP: 002b:00007ffcc4fab978 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    3.742699] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f05649cdbcb
[    3.742774] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.742849] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.742930] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc4fadba0
[    3.743010] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc4fae8b8
| [    3.746304] ------------[ cut here ]------------
| [    3.746337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/386
| [    3.746391] Modules linked in: ipvtap ipvlan
| [    3.746483] Tainted: [W]=WARN
[    3.746507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.746544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.746576] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.746669] RSP: 0018:ff75ca83c095f720 EFLAGS: 00010286
[    3.746699] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.746741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.746783] RBP: 0000000000000000 R08: ff3addb94ae7b590 R09: ff3addb94ad9402c
[    3.746829] R10: ff3addb94b815120 R11: fefefefefefefeff R12: 0000000000000000
[    3.746871] R13: 0000000000000010 R14: ff3addb94b815000 R15: ff3addb943040100
[    3.746912] FS:  00007fbf03f72840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.746965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.747009] CR2: 00007fbf042421a0 CR3: 000000000b342003 CR4: 0000000000771ef0
[    3.747051] PKRU: 55555554
[    3.747071] Call Trace:
[    3.747085]  <TASK>
[    3.747100]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.747125]  __dev_notify_flags (net/core/dev.c:9787)
[    3.747146]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.747168]  netif_change_flags (net/core/dev.c:9820)
[    3.747190]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.747213]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.747243]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.747270]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.747294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.747325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.747350]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.747371]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.747400]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.747426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.747448]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.747473]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.747497]  ___sys_sendmsg (net/socket.c:2752)
[    3.747521]  __sys_sendmsg (net/socket.c:2784)
[    3.747545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.747569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.747599] RIP: 0033:0x7fbf041ac08e
[    3.747623] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.747727] RSP: 002b:00007fff94c04620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.747772] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbf041ac08e
[    3.747813] RDX: 0000000000000000 RSI: 00007fff94c046d0 RDI: 0000000000000005
[    3.747851] RBP: 00007fff94c04630 R08: 0000000000000000 R09: 0000000000000000
[    3.747898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.747944] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff94c04da0
| [    3.761541] ------------[ cut here ]------------
| [    3.761616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/389
| [    3.761708] Modules linked in: ipvtap ipvlan
| [    3.761871] Tainted: [W]=WARN
[    3.761934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.762010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.762076] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.762207] RSP: 0018:ff75ca83c0977798 EFLAGS: 00010286
[    3.762276] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.762350] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061400
[    3.762430] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b8f5034
[    3.762508] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.762585] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb942061400
[    3.762669] FS:  00007feb62f49840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.762749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.762819] CR2: 0000000000445730 CR3: 000000000b35c005 CR4: 0000000000771ef0
[    3.762901] PKRU: 55555554
[    3.762964] Call Trace:
[    3.763020]  <TASK>
[    3.763070]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.763128]  notifier_call_chain (kernel/notifier.c:85)
[    3.763187]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.763252]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.763317] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.763387] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.763451]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.763509]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.763573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.763630]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.763694]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.763758]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.763818]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.763875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.763939]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.764003]  ___sys_sendmsg (net/socket.c:2752)
[    3.764061]  __sys_sendmsg (net/socket.c:2784)
[    3.764118]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.764177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.764242] RIP: 0033:0x7feb6318308e
[    3.764297] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.764424] RSP: 002b:00007ffebb183b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.764501] RAX: ffffffffffffffda RBX: 00007ffebb1842f8 RCX: 00007feb6318308e
[    3.764577] RDX: 0000000000000000 RSI: 00007ffebb183bf0 RDI: 0000000000000005
[    3.764652] RBP: 00007ffebb183b50 R08: 0000000000000000 R09: 0000000000000000
[    3.764727] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.764802] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebb1842b0
| [    3.765016] ------------[ cut here ]------------
| [    3.765078] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/389
| [    3.765160] Modules linked in: ipvtap ipvlan
| [    3.765313] Tainted: [W]=WARN
[    3.765368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.765436] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.765502] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.765627] RSP: 0018:ff75ca83c0977870 EFLAGS: 00010286
[    3.765693] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.765767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914300
[    3.765842] RBP: 0000000000000000 R08: ff3addb94b3aa590 R09: ff3addb94b8f5030
[    3.765926] R10: ff3addb94b81c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.766007] R13: 0000000000000010 R14: ff3addb94b81c000 R15: ff3addb941914300
[    3.766084] FS:  00007feb62f49840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.766160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.766228] CR2: 0000000000445730 CR3: 000000000b35c005 CR4: 0000000000771ef0
[    3.766306] PKRU: 55555554
[    3.766355] Call Trace:
[    3.766403]  <TASK>
[    3.766453]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.766511]  __dev_notify_flags (net/core/dev.c:9787)
[    3.766569]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.766625]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.766683]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.766747]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.766805]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.766868]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.766939]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.767004]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.767062]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.767119]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.767177]  ___sys_sendmsg (net/socket.c:2752)
[    3.767234]  __sys_sendmsg (net/socket.c:2784)
[    3.767291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.767348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.767412] RIP: 0033:0x7feb6318308e
[    3.767467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.767593] RSP: 002b:00007ffebb183b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.767670] RAX: ffffffffffffffda RBX: 00007ffebb1842f8 RCX: 00007feb6318308e
[    3.767745] RDX: 0000000000000000 RSI: 00007ffebb183bf0 RDI: 0000000000000005
[    3.767821] RBP: 00007ffebb183b50 R08: 0000000000000000 R09: 0000000000000000
[    3.767896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.767982] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebb1842b0
| [    3.773209] ------------[ cut here ]------------
| [    3.773281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/391
| [    3.773366] Modules linked in: ipvtap ipvlan
| [    3.773526] Tainted: [W]=WARN
[    3.773581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.773650] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.773716] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.773842] RSP: 0018:ff75ca83c0987cb8 EFLAGS: 00010286
[    3.773910] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.773998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.774074] RBP: 0000000000000000 R08: ff3addb94af3d310 R09: ff3addb94b99302c
[    3.774150] R10: ff3addb94b90e120 R11: fefefefefefefeff R12: 0000000000000000
[    3.774226] R13: 0000000000000010 R14: ff3addb94b90e000 R15: ff3addb941913000
[    3.774304] FS:  00007f2c5336e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.774382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.774452] CR2: 00007f2c5356fc20 CR3: 000000000b35c002 CR4: 0000000000771ef0
[    3.774532] PKRU: 55555554
[    3.774580] Call Trace:
[    3.774630]  <TASK>
[    3.774680]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.774740]  register_netdevice (net/core/dev.c:11488)
[    3.774798]  register_netdev (net/core/dev.c:11552)
[    3.774854]  loopback_net_init (drivers/net/loopback.c:218)
[    3.774914]  ops_init (net/core/net_namespace.c:137)
[    3.774980]  setup_net (net/core/net_namespace.c:446)
[    3.775051]  copy_net_ns (net/core/net_namespace.c:579)
[    3.775109]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.775173]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.775237]  ksys_unshare (kernel/fork.c:3243)
[    3.775295]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.775352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.775408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.775471] RIP: 0033:0x7f2c53630bcb
[    3.775527] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.775653] RSP: 002b:00007ffc75e7c968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.775732] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c53630bcb
[    3.775809] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.775895] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.775976] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc75e7eb90
[    3.776060] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc75e7f8b8
| [    3.776309] ------------[ cut here ]------------
| [    3.776372] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/391
| [    3.776454] Modules linked in: ipvtap ipvlan
| [    3.776607] Tainted: [W]=WARN
[    3.776662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.776729] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.776794] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.776931] RSP: 0018:ff75ca83c0987c10 EFLAGS: 00010286
[    3.777002] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.777077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942060100
[    3.777153] RBP: 0000000000000000 R08: ff3addb94b3aa6d0 R09: ff3addb94b1e3030
[    3.777229] R10: ff3addb94b993120 R11: fefefefefefefeff R12: 0000000000000000
[    3.777306] R13: 0000000000000010 R14: ff3addb94b993000 R15: ff3addb942060100
[    3.777384] FS:  00007f2c5336e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.777460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.777529] CR2: 00007f2c5356fc20 CR3: 000000000b35c002 CR4: 0000000000771ef0
[    3.777608] PKRU: 55555554
[    3.777656] Call Trace:
[    3.777706]  <TASK>
[    3.777755]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.777813]  register_netdevice (net/core/dev.c:11488)
[    3.777869]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.777936]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.778000]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.778058]  ops_init (net/core/net_namespace.c:137)
[    3.778115]  setup_net (net/core/net_namespace.c:446)
[    3.778171]  copy_net_ns (net/core/net_namespace.c:579)
[    3.778228]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.778292]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.778363]  ksys_unshare (kernel/fork.c:3243)
[    3.778420]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.778476]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.778533]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.778596] RIP: 0033:0x7f2c53630bcb
[    3.778651] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.778777] RSP: 002b:00007ffc75e7c968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.778853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c53630bcb
[    3.778936] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.779018] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.779092] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc75e7eb90
[    3.779167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc75e7f8b8
| [    3.779440] ------------[ cut here ]------------
| [    3.779503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/391
| [    3.779588] Modules linked in: ipvtap ipvlan
| [    3.779741] Tainted: [W]=WARN
[    3.779795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.779863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.779936] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.780067] RSP: 0018:ff75ca83c0987bf0 EFLAGS: 00010286
[    3.780129] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.780203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942063c00
[    3.780278] RBP: 0000000000000000 R08: ff3addb94b833690 R09: ff3addb94b99d030
[    3.780352] R10: ff3addb94b992120 R11: fefefefefefefeff R12: 0000000000000000
[    3.780428] R13: 0000000000000010 R14: ff3addb94b992000 R15: ff3addb942063c00
[    3.780505] FS:  00007f2c5336e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.780581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.780650] CR2: 00007f2c5356fc20 CR3: 000000000b35c002 CR4: 0000000000771ef0
[    3.780727] PKRU: 55555554
[    3.780776] Call Trace:
[    3.780825]  <TASK>
[    3.780874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.780937]  register_netdevice (net/core/dev.c:11488)
[    3.780999]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.781058]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.781114]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.781171]  ops_init (net/core/net_namespace.c:137)
[    3.781228]  setup_net (net/core/net_namespace.c:446)
[    3.781284]  copy_net_ns (net/core/net_namespace.c:579)
[    3.781340]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.781404]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.781467]  ksys_unshare (kernel/fork.c:3243)
[    3.781523]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.781578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.781634]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.781697] RIP: 0033:0x7f2c53630bcb
[    3.781752] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.781877] RSP: 002b:00007ffc75e7c968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.781962] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c53630bcb
[    3.782041] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.782115] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.782190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc75e7eb90
[    3.782264] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc75e7f8b8
| [    3.782510] ------------[ cut here ]------------
| [    3.782572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/391
| [    3.782654] Modules linked in: ipvtap ipvlan
| [    3.782804] Tainted: [W]=WARN
[    3.782858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.782935] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.783003] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.783135] RSP: 0018:ff75ca83c0987ca8 EFLAGS: 00010286
[    3.783198] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.783271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[    3.783346] RBP: 0000000000000000 R08: ff3addb94b3aa550 R09: ff3addb94b996034
[    3.783421] R10: ff3addb94b991120 R11: fefefefefefefeff R12: 0000000000000000
[    3.783496] R13: 0000000000000010 R14: ff3addb94b991000 R15: ff3addb941914000
[    3.783573] FS:  00007f2c5336e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.783649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.783718] CR2: 00007f2c5356fc20 CR3: 000000000b35c002 CR4: 0000000000771ef0
[    3.783796] PKRU: 55555554
[    3.783845] Call Trace:
[    3.783894]  <TASK>
[    3.783950]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.784012]  register_netdevice (net/core/dev.c:11488)
[    3.784068]  register_netdev (net/core/dev.c:11552)
[    3.784124]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.784182]  ops_init (net/core/net_namespace.c:137)
[    3.784238]  setup_net (net/core/net_namespace.c:446)
[    3.784294]  copy_net_ns (net/core/net_namespace.c:579)
[    3.784351]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.784414]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.784476]  ksys_unshare (kernel/fork.c:3243)
[    3.784533]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.784588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.784645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.784707] RIP: 0033:0x7f2c53630bcb
[    3.784762] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.784887] RSP: 002b:00007ffc75e7c968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.784974] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c53630bcb
[    3.785059] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.785132] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.785207] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc75e7eb90
[    3.785282] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc75e7f8b8
| [    3.785584] ------------[ cut here ]------------
| [    3.785646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/391
| [    3.785727] Modules linked in: ipvtap ipvlan
| [    3.785878] Tainted: [W]=WARN
[    3.785939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.786014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.786078] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.786204] RSP: 0018:ff75ca83c0987ca0 EFLAGS: 00010286
[    3.786267] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.786341] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.786415] RBP: 0000000000000000 R08: ff3addb94b3aa450 R09: ff3addb94b9ab030
[    3.786491] R10: ff3addb94b996120 R11: fefefefefefefeff R12: 0000000000000000
[    3.786565] R13: 0000000000000010 R14: ff3addb94b996000 R15: ff3addb942061100
[    3.786643] FS:  00007f2c5336e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.786718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.786787] CR2: 00007f2c5356fc20 CR3: 000000000b35c002 CR4: 0000000000771ef0
[    3.786865] PKRU: 55555554
[    3.786914] Call Trace:
[    3.786969]  <TASK>
[    3.787023]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.787078]  register_netdevice (net/core/dev.c:11488)
[    3.787135]  register_netdev (net/core/dev.c:11552)
[    3.787190]  sit_init_net (net/ipv6/sit.c:1860)
[    3.787247]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.787303]  ops_init (net/core/net_namespace.c:137)
[    3.787360]  setup_net (net/core/net_namespace.c:446)
[    3.787417]  copy_net_ns (net/core/net_namespace.c:579)
[    3.787473]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.787536]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.787599]  ksys_unshare (kernel/fork.c:3243)
[    3.787656]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.787711]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.787768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.787830] RIP: 0033:0x7f2c53630bcb
[    3.787885] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.788026] RSP: 002b:00007ffc75e7c968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.788100] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c53630bcb
[    3.788176] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.788250] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.788324] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc75e7eb90
[    3.788398] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc75e7f8b8
| [    3.788664] ------------[ cut here ]------------
| [    3.788726] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/391
| [    3.788813] Modules linked in: ipvtap ipvlan
| [    3.788976] Tainted: [W]=WARN
[    3.789040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.789111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.789176] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.789301] RSP: 0018:ff75ca83c0987ca8 EFLAGS: 00010286
[    3.789365] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.789438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061100
[    3.789513] RBP: 0000000000000000 R08: ff3addb94b3aac90 R09: ff3addb94b9a8030
[    3.789588] R10: ff3addb94b9ab120 R11: fefefefefefefeff R12: 0000000000000000
[    3.789662] R13: 0000000000000010 R14: ff3addb94b9ab000 R15: ff3addb942061100
[    3.789740] FS:  00007f2c5336e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.789816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.789885] CR2: 00007f2c5356fc20 CR3: 000000000b35c002 CR4: 0000000000771ef0
[    3.789967] PKRU: 55555554
[    3.790021] Call Trace:
[    3.790069]  <TASK>
[    3.790117]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.790174]  register_netdevice (net/core/dev.c:11488)
[    3.790229]  register_netdev (net/core/dev.c:11552)
[    3.790285]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.790342]  ops_init (net/core/net_namespace.c:137)
[    3.790399]  setup_net (net/core/net_namespace.c:446)
[    3.790455]  copy_net_ns (net/core/net_namespace.c:579)
[    3.790511]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.790574]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.790636]  ksys_unshare (kernel/fork.c:3243)
[    3.790692]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.790748]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.790804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.790866] RIP: 0033:0x7f2c53630bcb
[    3.790927] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.791064] RSP: 002b:00007ffc75e7c968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.791137] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c53630bcb
[    3.791212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    3.791287] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    3.791362] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc75e7eb90
[    3.791437] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc75e7f8b8
| [    3.794757] ------------[ cut here ]------------
| [    3.794792] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/392
| [    3.794846] Modules linked in: ipvtap ipvlan
| [    3.794938] Tainted: [W]=WARN
[    3.794962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.795014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.795049] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.795142] RSP: 0018:ff75ca83c098f720 EFLAGS: 00010286
[    3.795173] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.795213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.795253] RBP: 0000000000000000 R08: ff3addb94af3d310 R09: ff3addb94ad9402c
[    3.795293] R10: ff3addb94b90e120 R11: fefefefefefefeff R12: 0000000000000000
[    3.795333] R13: 0000000000000010 R14: ff3addb94b90e000 R15: ff3addb943040100
[    3.795378] FS:  00007f42c7abd840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.795422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.795466] CR2: 0000000022c42988 CR3: 000000000b35a005 CR4: 0000000000771ef0
[    3.795507] PKRU: 55555554
[    3.795524] Call Trace:
[    3.795538]  <TASK>
[    3.795554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.795579]  __dev_notify_flags (net/core/dev.c:9787)
[    3.795600]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.795621]  netif_change_flags (net/core/dev.c:9820)
[    3.795646]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.795673]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.795708]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.795732]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.795756]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.795791]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.795811]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.795835]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.795865]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.795888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.795911]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.795939]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.795963]  ___sys_sendmsg (net/socket.c:2752)
[    3.795987]  __sys_sendmsg (net/socket.c:2784)
[    3.796013]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.796038]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.796070] RIP: 0033:0x7f42c7cf708e
[    3.796093] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.796196] RSP: 002b:00007ffd340f89f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.796240] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f42c7cf708e
[    3.796280] RDX: 0000000000000000 RSI: 00007ffd340f8aa0 RDI: 0000000000000005
[    3.796325] RBP: 00007ffd340f8a00 R08: 0000000000000000 R09: 0000000000000000
[    3.796368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.796407] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd340f9170
| [    3.810158] ------------[ cut here ]------------
| [    3.810195] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/395
| [    3.810248] Modules linked in: ipvtap ipvlan
| [    3.810331] Tainted: [W]=WARN
[    3.810356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.810393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.810420] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.810516] RSP: 0018:ff75ca83c09a7798 EFLAGS: 00010286
[    3.810549] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.810590] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.810629] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b1ea034
[    3.810671] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[    3.810709] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941df5300
[    3.810761] FS:  00007f0caa7b9840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.810816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.810854] CR2: 0000000000445730 CR3: 000000000b9f3002 CR4: 0000000000771ef0
[    3.810894] PKRU: 55555554
[    3.810911] Call Trace:
[    3.810931]  <TASK>
[    3.810949]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    3.810980]  notifier_call_chain (kernel/notifier.c:85)
[    3.811010]  __netdev_upper_dev_link (net/core/dev.c:8931)
[    3.811040]  netdev_upper_dev_link (net/core/dev.c:8972)
[    3.811073] ipvlan_link_new (drivers/net/ipvlan/ipvlan_main.c:625) ipvlan
[    3.811109] ipvtap_newlink (drivers/net/ipvlan/ipvtap.c:101) ipvtap
[    3.811142]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.811167]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.811200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.811225]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.811258]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.811287]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.811314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.811342]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.811364]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.811393]  ___sys_sendmsg (net/socket.c:2752)
[    3.811421]  __sys_sendmsg (net/socket.c:2784)
[    3.811443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.811465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.811495] RIP: 0033:0x7f0caa9f308e
[    3.811520] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.811624] RSP: 002b:00007ffd6c5821b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.811673] RAX: ffffffffffffffda RBX: 00007ffd6c582968 RCX: 00007f0caa9f308e
[    3.811715] RDX: 0000000000000000 RSI: 00007ffd6c582260 RDI: 0000000000000005
[    3.811757] RBP: 00007ffd6c5821c0 R08: 0000000000000000 R09: 0000000000000000
[    3.811799] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.811841] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6c582920
| [    3.811944] ------------[ cut here ]------------
| [    3.811975] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/395
| [    3.812026] Modules linked in: ipvtap ipvlan
| [    3.812119] Tainted: [W]=WARN
[    3.812146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.812181] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.812214] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.812307] RSP: 0018:ff75ca83c09a7870 EFLAGS: 00010286
[    3.812334] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.812374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.812414] RBP: 0000000000000000 R08: ff3addb94b833e90 R09: ff3addb94b1ea030
[    3.812461] R10: ff3addb94b1f6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.812511] R13: 0000000000000010 R14: ff3addb94b1f6000 R15: ff3addb941df5300
[    3.812554] FS:  00007f0caa7b9840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.812596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.812630] CR2: 0000000000445730 CR3: 000000000b9f3002 CR4: 0000000000771ef0
[    3.812670] PKRU: 55555554
[    3.812684] Call Trace:
[    3.812698]  <TASK>
[    3.812713]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.812734]  __dev_notify_flags (net/core/dev.c:9787)
[    3.812756]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.812782]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.812807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.812838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.812864]  ? get_page_from_freelist (./include/linux/spinlock.h:390 mm/page_alloc.c:3373 mm/page_alloc.c:3402 mm/page_alloc.c:3943)
[    3.812895]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.812933]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.812956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.812977]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.813007]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.813032]  ___sys_sendmsg (net/socket.c:2752)
[    3.813055]  __sys_sendmsg (net/socket.c:2784)
[    3.813081]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.813104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.813133] RIP: 0033:0x7f0caa9f308e
[    3.813155] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.813255] RSP: 002b:00007ffd6c5821b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.813296] RAX: ffffffffffffffda RBX: 00007ffd6c582968 RCX: 00007f0caa9f308e
[    3.813335] RDX: 0000000000000000 RSI: 00007ffd6c582260 RDI: 0000000000000005
[    3.813377] RBP: 00007ffd6c5821c0 R08: 0000000000000000 R09: 0000000000000000
[    3.813421] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.813467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6c582920
| [    3.868074] ------------[ cut here ]------------
| [    3.868122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/559
| [    3.868180] Modules linked in: ipvtap ipvlan
| [    3.868272] Tainted: [W]=WARN
[    3.868299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.868340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.868378] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.868488] RSP: 0018:ff75ca83c0daf720 EFLAGS: 00010286
[    3.868518] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.868559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.868607] RBP: 0000000000000000 R08: ff3addb94451f010 R09: ff3addb94b1ef030
[    3.868651] R10: ff3addb9467d0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.868701] R13: 0000000000000010 R14: ff3addb9467d0000 R15: ff3addb941df5300
[    3.868758] FS:  00007f5d46286840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.868805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.868842] CR2: 000000003d9dd988 CR3: 000000000c429004 CR4: 0000000000771ef0
[    3.868886] PKRU: 55555554
[    3.868902] Call Trace:
[    3.868918]  <TASK>
[    3.868945]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.868971]  __dev_notify_flags (net/core/dev.c:9787)
[    3.869008]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.869040]  netif_change_flags (net/core/dev.c:9820)
[    3.869073]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.869104]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.869143]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.869167]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.869195]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.869231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.869252]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.869276]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.869306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.869336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.869357]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.869379]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.869403]  ___sys_sendmsg (net/socket.c:2752)
[    3.869429]  __sys_sendmsg (net/socket.c:2784)
[    3.869456]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.869482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.869513] RIP: 0033:0x7f5d464c008e
[    3.869540] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.869652] RSP: 002b:00007ffda787c2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.869707] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5d464c008e
[    3.869755] RDX: 0000000000000000 RSI: 00007ffda787c390 RDI: 0000000000000005
[    3.869797] RBP: 00007ffda787c2f0 R08: 0000000000000000 R09: 0000000000000000
[    3.869852] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.869900] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda787ca50
| [    3.870763] ------------[ cut here ]------------
| [    3.870799] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/569
| [    3.870851] Modules linked in: ipvtap ipvlan
| [    3.870946] Tainted: [W]=WARN
[    3.870968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.871008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.871040] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.871143] RSP: 0018:ff75ca83c0dc7720 EFLAGS: 00010286
[    3.871179] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.871233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.871275] RBP: 0000000000000000 R08: ff3addb944519510 R09: ff3addb94ae19030
[    3.871315] R10: ff3addb9447e8120 R11: fefefefefefefeff R12: 0000000000000000
[    3.871372] R13: 0000000000000010 R14: ff3addb9447e8000 R15: ff3addb943040100
[    3.871418] FS:  00007f50823ac840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.871469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.871506] CR2: 00007f4b28418310 CR3: 000000000c56e001 CR4: 0000000000771ef0
[    3.871547] PKRU: 55555554
[    3.871568] Call Trace:
[    3.871587]  <TASK>
[    3.871602]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.871626]  __dev_notify_flags (net/core/dev.c:9787)
[    3.871651]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.871675]  netif_change_flags (net/core/dev.c:9820)
[    3.871710]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.871739]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.871773]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.871797]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.871826]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.871855]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.871878]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.871900]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.871932]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.871957]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.871981]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.872008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.872037]  ___sys_sendmsg (net/socket.c:2752)
[    3.872063]  __sys_sendmsg (net/socket.c:2784)
[    3.872083]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.872109]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.872144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.872176] RIP: 0033:0x7f50825e608e
[    3.872198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.872295] RSP: 002b:00007ffe37a94700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.872336] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f50825e608e
[    3.872383] RDX: 0000000000000000 RSI: 00007ffe37a947b0 RDI: 0000000000000005
[    3.872430] RBP: 00007ffe37a94710 R08: 0000000000000000 R09: 0000000000000000
[    3.872490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.872531] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe37a94e70
| [    3.873614] ------------[ cut here ]------------
| [    3.873645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/566
| [    3.873700] Modules linked in: ipvtap ipvlan
| [    3.873796] Tainted: [W]=WARN
[    3.873818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.873854] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.873882] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.873999] RSP: 0018:ff75ca83c0d67720 EFLAGS: 00010286
[    3.874031] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.874076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6500
[    3.874116] RBP: 0000000000000000 R08: ff3addb9444f5b50 R09: ff3addb9430a8030
[    3.874157] R10: ff3addb9471f0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.874197] R13: 0000000000000010 R14: ff3addb9471f0000 R15: ff3addb941df6500
[    3.874244] FS:  00007fd178263840(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.874289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.874329] CR2: 000000002b5f8988 CR3: 000000000c17f002 CR4: 0000000000771ef0
[    3.874371] PKRU: 55555554
[    3.874386] Call Trace:
[    3.874401]  <TASK>
[    3.874420]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.874444]  __dev_notify_flags (net/core/dev.c:9787)
[    3.874468]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.874491]  netif_change_flags (net/core/dev.c:9820)
[    3.874515]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.874541]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.874572]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.874599]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.874624]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.874653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.874678]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.874701]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.874728]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.874753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.874777]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.874799]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.874822]  ___sys_sendmsg (net/socket.c:2752)
[    3.874849]  __sys_sendmsg (net/socket.c:2784)
[    3.874871]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.874893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.874934] RIP: 0033:0x7fd17849d08e
[    3.874958] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.875059] RSP: 002b:00007fff6bfd92a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.875107] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd17849d08e
[    3.875151] RDX: 0000000000000000 RSI: 00007fff6bfd9350 RDI: 0000000000000005
[    3.875191] RBP: 00007fff6bfd92b0 R08: 0000000000000000 R09: 0000000000000000
[    3.875236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.875278] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6bfd9a10
| [    3.875437] ------------[ cut here ]------------
| [    3.875473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/582
| [    3.875526] Modules linked in: ipvtap ipvlan
| [    3.875626] Tainted: [W]=WARN
[    3.875647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.875690] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.875722] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.875827] RSP: 0018:ff75ca83c0cd7720 EFLAGS: 00010286
[    3.875856] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.875904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.875954] RBP: 0000000000000000 R08: ff3addb944538d90 R09: ff3addb94d482030
[    3.876002] R10: ff3addb9476f2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.876045] R13: 0000000000000010 R14: ff3addb9476f2000 R15: ff3addb941df5300
[    3.876089] FS:  00007f20d91de840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.876139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.876180] CR2: 000000003ad01988 CR3: 000000000c573006 CR4: 0000000000771ef0
[    3.876234] PKRU: 55555554
[    3.876254] Call Trace:
[    3.876268]  <TASK>
[    3.876283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.876304]  __dev_notify_flags (net/core/dev.c:9787)
[    3.876327]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.876352]  netif_change_flags (net/core/dev.c:9820)
[    3.876377]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.876399]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.876431]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.876457]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.876479]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.876510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.876538]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.876562]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.876591]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.876614]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.876636]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.876658]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.876687]  ___sys_sendmsg (net/socket.c:2752)
[    3.876714]  __sys_sendmsg (net/socket.c:2784)
[    3.876734]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.876763]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.876799]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.876828] RIP: 0033:0x7f20d941808e
[    3.876852] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.876974] RSP: 002b:00007ffe35ef02b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.877024] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f20d941808e
[    3.877068] RDX: 0000000000000000 RSI: 00007ffe35ef0360 RDI: 0000000000000005
[    3.877111] RBP: 00007ffe35ef02c0 R08: 0000000000000000 R09: 0000000000000000
[    3.877161] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.877199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe35ef0a20
| [    3.877796] ------------[ cut here ]------------
| [    3.877857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/571
| [    3.877949] Modules linked in: ipvtap ipvlan
| [    3.878110] Tainted: [W]=WARN
[    3.878164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.878233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.878296] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.878421] RSP: 0018:ff75ca83c0d0f720 EFLAGS: 00010286
[    3.878501] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.878578] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913b00
[    3.878653] RBP: 0000000000000000 R08: ff3addb943189810 R09: ff3addb94b9ad030
[    3.878731] R10: ff3addb9419a0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.878811] R13: 0000000000000010 R14: ff3addb9419a0000 R15: ff3addb941913b00
[    3.878891] FS:  00007fdac2f24840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.878976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.879053] CR2: 0000000033135988 CR3: 000000000c433004 CR4: 0000000000771ef0
[    3.879134] PKRU: 55555554
[    3.879183] Call Trace:
[    3.879234]  <TASK>
[    3.879283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.879345]  __dev_notify_flags (net/core/dev.c:9787)
[    3.879404]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.879461]  netif_change_flags (net/core/dev.c:9820)
[    3.879525]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.879581]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.879648]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.879734]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.879791]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.879864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.879931]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.879999]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.880078]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.880143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.880232]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.880289]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.880347]  ___sys_sendmsg (net/socket.c:2752)
[    3.880405]  __sys_sendmsg (net/socket.c:2784)
[    3.880461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.880516]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.880580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.880644] RIP: 0033:0x7fdac315e08e
[    3.880732] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.880866] RSP: 002b:00007ffde7f87de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.880949] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdac315e08e
[    3.881028] RDX: 0000000000000000 RSI: 00007ffde7f87e90 RDI: 0000000000000005
[    3.881110] RBP: 00007ffde7f87df0 R08: 0000000000000000 R09: 0000000000000000
[    3.881212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.881286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde7f88550
| [    3.881918] ------------[ cut here ]------------
| [    3.881965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/588
| [    3.882023] Modules linked in: ipvtap ipvlan
| [    3.882121] Tainted: [W]=WARN
[    3.882141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.882178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.882210] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.882309] RSP: 0018:ff75ca83c0d2f720 EFLAGS: 00010286
[    3.882338] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.882381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.882420] RBP: 0000000000000000 R08: ff3addb94317a510 R09: ff3addb94d487030
[    3.882460] R10: ff3addb9471f2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.882505] R13: 0000000000000010 R14: ff3addb9471f2000 R15: ff3addb941df5300
[    3.882544] FS:  00007f4b28302840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.882590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.882625] CR2: 00007f4b285d21a0 CR3: 000000000c712002 CR4: 0000000000771ef0
[    3.882674] PKRU: 55555554
[    3.882691] Call Trace:
[    3.882704]  <TASK>
[    3.882720]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.882744]  __dev_notify_flags (net/core/dev.c:9787)
[    3.882772]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.882799]  netif_change_flags (net/core/dev.c:9820)
[    3.882820]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.882848]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.882883]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.882906]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.882932]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.882962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.882987]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.883020]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.883053]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.883076]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.883104]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.883126]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.883153]  ___sys_sendmsg (net/socket.c:2752)
[    3.883179]  __sys_sendmsg (net/socket.c:2784)
[    3.883207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.883232]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.883263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.883297] RIP: 0033:0x7f4b2853c08e
[    3.883322] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.883424] RSP: 002b:00007ffce3b29e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.883467] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4b2853c08e
[    3.883513] RDX: 0000000000000000 RSI: 00007ffce3b29f20 RDI: 0000000000000005
[    3.883555] RBP: 00007ffce3b29e80 R08: 0000000000000000 R09: 0000000000000000
[    3.883610] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.883653] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce3b2a5e0
| [    3.884090] ------------[ cut here ]------------
| [    3.884123] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/610
| [    3.884179] Modules linked in: ipvtap ipvlan
| [    3.884274] Tainted: [W]=WARN
[    3.884298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.884341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.884378] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.884490] RSP: 0018:ff75ca83c0e2f720 EFLAGS: 00010286
[    3.884521] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.884559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fdb00
[    3.884606] RBP: 0000000000000000 R08: ff3addb94a3398d0 R09: ff3addb94b1ec030
[    3.884652] R10: ff3addb94a3cc120 R11: fefefefefefefeff R12: 0000000000000000
[    3.884695] R13: 0000000000000010 R14: ff3addb94a3cc000 R15: ff3addb9418fdb00
[    3.884742] FS:  00007f4d058e6840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.884786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.884824] CR2: 000000002cd54988 CR3: 000000000c551004 CR4: 0000000000771ef0
[    3.884869] PKRU: 55555554
[    3.884884] Call Trace:
[    3.884900]  <TASK>
[    3.884914]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.884948]  __dev_notify_flags (net/core/dev.c:9787)
[    3.884976]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.884999]  netif_change_flags (net/core/dev.c:9820)
[    3.885024]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.885051]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.885082]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.885108]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.885132]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.885161]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.885187]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.885209]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.885238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.885262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.885290]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.885311]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.885334]  ___sys_sendmsg (net/socket.c:2752)
[    3.885355]  __sys_sendmsg (net/socket.c:2784)
[    3.885375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.885401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.885433] RIP: 0033:0x7f4d05b2008e
[    3.885454] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.885549] RSP: 002b:00007ffe3a08fc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.885592] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4d05b2008e
[    3.885634] RDX: 0000000000000000 RSI: 00007ffe3a08fcd0 RDI: 0000000000000005
[    3.885675] RBP: 00007ffe3a08fc30 R08: 0000000000000000 R09: 0000000000000000
[    3.885724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.885764] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3a090390
| [    3.885906] ------------[ cut here ]------------
| [    3.885940] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/592
| [    3.885998] Modules linked in: ipvtap ipvlan
| [    3.886090] Tainted: [W]=WARN
[    3.886112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.886147] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.886178] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.886272] RSP: 0018:ff75ca83c0c67720 EFLAGS: 00010286
[    3.886300] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.886347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.886390] RBP: 0000000000000000 R08: ff3addb943173610 R09: ff3addb94d484030
[    3.886430] R10: ff3addb94a444120 R11: fefefefefefefeff R12: 0000000000000000
[    3.886468] R13: 0000000000000010 R14: ff3addb94a444000 R15: ff3addb941df5300
[    3.886509] FS:  00007fe3022cb840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.886553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.886591] CR2: 00005622e7ad1018 CR3: 000000000baea003 CR4: 0000000000771ef0
[    3.886638] PKRU: 55555554
[    3.886651] Call Trace:
[    3.886666]  <TASK>
[    3.886685]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.886710]  __dev_notify_flags (net/core/dev.c:9787)
[    3.886731]  netif_change_flags (net/core/dev.c:9820)
[    3.886757]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.886783]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.886806]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.886831]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.886860]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.886886]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.886910]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.886944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.886972]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.887000]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.887031]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.887055]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.887079]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.887103]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.887128]  ___sys_sendmsg (net/socket.c:2752)
[    3.887155]  __sys_sendmsg (net/socket.c:2784)
[    3.887176]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.887203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.887233] RIP: 0033:0x7fe30250508e
[    3.887256] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.887348] RSP: 002b:00007ffe549dc9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.887390] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe30250508e
[    3.887433] RDX: 0000000000000000 RSI: 00007ffe549dca90 RDI: 0000000000000005
[    3.887476] RBP: 00007ffe549dc9f0 R08: 0000000000000000 R09: 0000000000000000
[    3.887519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.887559] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe549dd150
| [    3.887880] ------------[ cut here ]------------
| [    3.887916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/609
| [    3.887994] Modules linked in: ipvtap ipvlan
| [    3.888086] Tainted: [W]=WARN
[    3.888107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.888138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.888167] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.888258] RSP: 0018:ff75ca83c0e27720 EFLAGS: 00010286
[    3.888290] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.888332] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6700
[    3.888373] RBP: 0000000000000000 R08: ff3addb94af3d750 R09: ff3addb94c5f9030
[    3.888410] R10: ff3addb94b0cc120 R11: fefefefefefefeff R12: 0000000000000000
[    3.888457] R13: 0000000000000010 R14: ff3addb94b0cc000 R15: ff3addb941df6700
[    3.888499] FS:  00007f8d6ed13840(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.888546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.888583] CR2: 000000001d24a988 CR3: 000000000c106002 CR4: 0000000000771ef0
[    3.888621] PKRU: 55555554
[    3.888635] Call Trace:
[    3.888650]  <TASK>
[    3.888668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.888690]  __dev_notify_flags (net/core/dev.c:9787)
[    3.888711]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.888738]  netif_change_flags (net/core/dev.c:9820)
[    3.888762]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.888788]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.888819]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.888843]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.888868]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.888898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.888924]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.888948]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.888980]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.889009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.889033]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.889056]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.889082]  ___sys_sendmsg (net/socket.c:2752)
[    3.889108]  __sys_sendmsg (net/socket.c:2784)
[    3.889133]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.889156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.889185] RIP: 0033:0x7f8d6ef4d08e
[    3.889208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.889310] RSP: 002b:00007ffd8b4559d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.889350] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d6ef4d08e
[    3.889390] RDX: 0000000000000000 RSI: 00007ffd8b455a80 RDI: 0000000000000005
[    3.889433] RBP: 00007ffd8b4559e0 R08: 0000000000000000 R09: 0000000000000000
[    3.889482] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.889521] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8b456140
| [    3.889645] ------------[ cut here ]------------
| [    3.889676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/580
| [    3.889731] Modules linked in: ipvtap ipvlan
| [    3.889823] Tainted: [W]=WARN
[    3.889844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.889879] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.889908] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.890009] RSP: 0018:ff75ca83c0d07720 EFLAGS: 00010286
[    3.890040] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.890084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.890125] RBP: 0000000000000000 R08: ff3addb9444f5090 R09: ff3addb94c5fd030
[    3.890166] R10: ff3addb9476f6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.890209] R13: 0000000000000010 R14: ff3addb9476f6000 R15: ff3addb941df5300
[    3.890261] FS:  00007f5f09439840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.890306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.890341] CR2: 00007fef601ea430 CR3: 000000000a1e5004 CR4: 0000000000771ef0
[    3.890384] PKRU: 55555554
[    3.890402] Call Trace:
[    3.890416]  <TASK>
[    3.890434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.890459]  __dev_notify_flags (net/core/dev.c:9787)
[    3.890487]  netif_change_flags (net/core/dev.c:9820)
[    3.890511]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.890532]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.890554]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.890573]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.890602]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.890630]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.890652]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.890681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.890706]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.890729]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.890759]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.890784]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.890810]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.890831]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.890854]  ___sys_sendmsg (net/socket.c:2752)
[    3.890875]  __sys_sendmsg (net/socket.c:2784)
[    3.890900]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.890924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.890958] RIP: 0033:0x7f5f0967308e
[    3.890979] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.891091] RSP: 002b:00007ffef9f54fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.891130] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5f0967308e
[    3.891170] RDX: 0000000000000000 RSI: 00007ffef9f55060 RDI: 0000000000000005
[    3.891214] RBP: 00007ffef9f54fc0 R08: 0000000000000000 R09: 0000000000000000
[    3.891257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.891299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef9f55720
| [    3.891700] ------------[ cut here ]------------
| [    3.891737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/639
| [    3.891790] Modules linked in: ipvtap ipvlan
| [    3.891884] Tainted: [W]=WARN
[    3.891904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.891948] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.891979] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.892079] RSP: 0018:ff75ca83c0e67720 EFLAGS: 00010286
[    3.892111] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.892150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6500
[    3.892197] RBP: 0000000000000000 R08: ff3addb94b374350 R09: ff3addb94c602030
[    3.892242] R10: ff3addb94b324120 R11: fefefefefefefeff R12: 0000000000000000
[    3.892282] R13: 0000000000000010 R14: ff3addb94b324000 R15: ff3addb941df6500
[    3.892323] FS:  00007f41cd25b840(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.892365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.892401] CR2: 00000000288aa988 CR3: 000000000742b006 CR4: 0000000000771ef0
[    3.892446] PKRU: 55555554
[    3.892459] Call Trace:
[    3.892478]  <TASK>
[    3.892496]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.892520]  __dev_notify_flags (net/core/dev.c:9787)
[    3.892544]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.892565]  netif_change_flags (net/core/dev.c:9820)
[    3.892589]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.892612]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.892641]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.892665]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.892689]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.892719]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.892744]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.892767]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.892797]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.892817]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.892844]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.892873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.892898]  ___sys_sendmsg (net/socket.c:2752)
[    3.892924]  __sys_sendmsg (net/socket.c:2784)
[    3.892947]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.892974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.893010] RIP: 0033:0x7f41cd49508e
[    3.893034] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.893148] RSP: 002b:00007ffd76722ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.893191] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f41cd49508e
[    3.893231] RDX: 0000000000000000 RSI: 00007ffd76722c50 RDI: 0000000000000005
[    3.893273] RBP: 00007ffd76722bb0 R08: 0000000000000000 R09: 0000000000000000
[    3.893323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.893365] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd76723310
| [    3.893486] ------------[ cut here ]------------
| [    3.893519] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/606
| [    3.893584] Modules linked in: ipvtap ipvlan
| [    3.893683] Tainted: [W]=WARN
[    3.893704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.893738] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.893765] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.893859] RSP: 0018:ff75ca83c0d3f720 EFLAGS: 00010286
[    3.893891] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.893934] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fda00
[    3.893974] RBP: 0000000000000000 R08: ff3addb94191b290 R09: ff3addb94c605030
[    3.894025] R10: ff3addb9476f4120 R11: fefefefefefefeff R12: 0000000000000000
[    3.894073] R13: 0000000000000010 R14: ff3addb9476f4000 R15: ff3addb9418fda00
[    3.894126] FS:  00007feaa9a52840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.894169] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.894207] CR2: 00007f4672d290a0 CR3: 00000000074b4005 CR4: 0000000000771ef0
[    3.894251] PKRU: 55555554
[    3.894265] Call Trace:
[    3.894281]  <TASK>
[    3.894298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.894322]  __dev_notify_flags (net/core/dev.c:9787)
[    3.894343]  netif_change_flags (net/core/dev.c:9820)
[    3.894363]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.894389]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.894413]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.894433]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.894464]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.894487]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.894510]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.894541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.894566]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.894588]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.894618]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.894639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.894665]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.894690]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.894715]  ___sys_sendmsg (net/socket.c:2752)
[    3.894740]  __sys_sendmsg (net/socket.c:2784)
[    3.894762]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.894790]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.894821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.894852] RIP: 0033:0x7feaa9c8c08e
[    3.894875] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.894976] RSP: 002b:00007ffd8133a8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.895020] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007feaa9c8c08e
[    3.895059] RDX: 0000000000000000 RSI: 00007ffd8133a970 RDI: 0000000000000005
[    3.895100] RBP: 00007ffd8133a8d0 R08: 0000000000000000 R09: 0000000000000000
[    3.895147] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.895190] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8133b030
| [    3.896697] ------------[ cut here ]------------
| [    3.896727] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/629
| [    3.896781] Modules linked in: ipvtap ipvlan
| [    3.896873] Tainted: [W]=WARN
[    3.896897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.896938] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.896968] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.897077] RSP: 0018:ff75ca83c0e47720 EFLAGS: 00010286
[    3.897106] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.897146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6600
[    3.897190] RBP: 0000000000000000 R08: ff3addb94ac52890 R09: ff3addb94d48a030
[    3.897231] R10: ff3addb94a4fa120 R11: fefefefefefefeff R12: 0000000000000000
[    3.897276] R13: 0000000000000010 R14: ff3addb94a4fa000 R15: ff3addb941df6600
[    3.897323] FS:  00007f32b24c6840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.897370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.897407] CR2: 00000000060fb988 CR3: 000000000193e002 CR4: 0000000000771ef0
[    3.897446] PKRU: 55555554
[    3.897464] Call Trace:
[    3.897477]  <TASK>
[    3.897495]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.897518]  __dev_notify_flags (net/core/dev.c:9787)
[    3.897542]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.897563]  netif_change_flags (net/core/dev.c:9820)
[    3.897587]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.897609]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.897638]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.897662]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.897689]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.897718]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.897742]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.897765]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.897797]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.897821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.897845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.897870]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.897897]  ___sys_sendmsg (net/socket.c:2752)
[    3.897924]  __sys_sendmsg (net/socket.c:2784)
[    3.897949]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.897972]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.898010] RIP: 0033:0x7f32b270008e
[    3.898035] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.898128] RSP: 002b:00007ffe9e326e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.898175] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f32b270008e
[    3.898217] RDX: 0000000000000000 RSI: 00007ffe9e326ee0 RDI: 0000000000000005
[    3.898257] RBP: 00007ffe9e326e40 R08: 0000000000000000 R09: 0000000000000000
[    3.898300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.898338] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9e3275a0
| [    3.898628] ------------[ cut here ]------------
| [    3.898662] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/634
| [    3.898722] Modules linked in: ipvtap ipvlan
| [    3.898815] Tainted: [W]=WARN
[    3.898836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.898871] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.898896] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.899013] RSP: 0018:ff75ca83c0d87720 EFLAGS: 00010286
[    3.899044] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.899091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fdb00
[    3.899129] RBP: 0000000000000000 R08: ff3addb94a4c4550 R09: ff3addb94d48e030
[    3.899169] R10: ff3addb94a616120 R11: fefefefefefefeff R12: 0000000000000000
[    3.899213] R13: 0000000000000010 R14: ff3addb94a616000 R15: ff3addb9418fdb00
[    3.899260] FS:  00007f93ff28b840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.899304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.899338] CR2: 00007ff8b32e47a0 CR3: 000000000c717004 CR4: 0000000000771ef0
[    3.899386] PKRU: 55555554
[    3.899402] Call Trace:
[    3.899421]  <TASK>
[    3.899436]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.899462]  __dev_notify_flags (net/core/dev.c:9787)
[    3.899485]  netif_change_flags (net/core/dev.c:9820)
[    3.899509]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.899534]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.899556]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.899579]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.899607]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.899630]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.899656]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.899684]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.899705]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.899728]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.899757]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.899781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.899808]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.899831]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.899854]  ___sys_sendmsg (net/socket.c:2752)
[    3.899879]  __sys_sendmsg (net/socket.c:2784)
[    3.899900]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.899930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.899963] RIP: 0033:0x7f93ff4c508e
[    3.899985] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.900084] RSP: 002b:00007ffc16ed3380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.900122] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f93ff4c508e
[    3.900167] RDX: 0000000000000000 RSI: 00007ffc16ed3430 RDI: 0000000000000005
[    3.900204] RBP: 00007ffc16ed3390 R08: 0000000000000000 R09: 0000000000000000
[    3.900252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.900292] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc16ed3af0
| [    3.900612] ------------[ cut here ]------------
| [    3.900676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/578
| [    3.900771] Modules linked in: ipvtap ipvlan
| [    3.900936] Tainted: [W]=WARN
[    3.901003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.901075] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.901142] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.901267] RSP: 0018:ff75ca83c0de7720 EFLAGS: 00010286
[    3.901335] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.901410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914500
[    3.901489] RBP: 0000000000000000 R08: ff3addb94194bfd0 R09: ff3addb94c6f2030
[    3.901566] R10: ff3addb947718120 R11: fefefefefefefeff R12: 0000000000000000
[    3.901681] R13: 0000000000000010 R14: ff3addb947718000 R15: ff3addb941914500
[    3.901764] FS:  00007f8d4343e840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.901843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.901911] CR2: 0000000022ff2988 CR3: 000000000a5bf002 CR4: 0000000000771ef0
[    3.902001] PKRU: 55555554
[    3.902049] Call Trace:
[    3.902096]  <TASK>
[    3.902144]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.902199]  __dev_notify_flags (net/core/dev.c:9787)
[    3.902255]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.902310]  netif_change_flags (net/core/dev.c:9820)
[    3.902366]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.902422]  ? refill_objects (mm/slub.c:7258 (discriminator 1))
[    3.902479]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.902542]  ? __pcs_replace_empty_main (mm/slub.c:2816 mm/slub.c:4651)
[    3.902604]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.902666]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.902723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.902797]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.902854]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.902910]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.902977]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.903038]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.903095]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.903151]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.903208]  ___sys_sendmsg (net/socket.c:2752)
[    3.903267]  __sys_sendmsg (net/socket.c:2784)
[    3.903323]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.903379]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.903441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.903503] RIP: 0033:0x7f8d4367808e
[    3.903557] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.903685] RSP: 002b:00007ffc3aefcf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.903760] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d4367808e
[    3.903831] RDX: 0000000000000000 RSI: 00007ffc3aefd030 RDI: 0000000000000005
[    3.903907] RBP: 00007ffc3aefcf90 R08: 0000000000000000 R09: 0000000000000000
[    3.903994] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.904070] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3aefd6f0
| [    3.904412] ------------[ cut here ]------------
| [    3.904445] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/618
| [    3.904495] Modules linked in: ipvtap ipvlan
| [    3.904583] Tainted: [W]=WARN
[    3.904602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.904636] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.904662] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.904761] RSP: 0018:ff75ca83c0cf7720 EFLAGS: 00010286
[    3.904785] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.904831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6700
[    3.904868] RBP: 0000000000000000 R08: ff3addb94af02b90 R09: ff3addb94c6f7030
[    3.904911] R10: ff3addb94b174120 R11: fefefefefefefeff R12: 0000000000000000
[    3.904967] R13: 0000000000000010 R14: ff3addb94b174000 R15: ff3addb941df6700
[    3.905015] FS:  00007f928ac60840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.905064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.905098] CR2: 00007f928af301a0 CR3: 000000000c56b005 CR4: 0000000000771ef0
[    3.905134] PKRU: 55555554
[    3.905149] Call Trace:
[    3.905163]  <TASK>
[    3.905178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.905197]  __dev_notify_flags (net/core/dev.c:9787)
[    3.905219]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.905240]  netif_change_flags (net/core/dev.c:9820)
[    3.905261]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.905282]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.905308]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.905329]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.905351]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.905380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.905402]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.905424]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.905449]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.905470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.905491]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.905513]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.905533]  ___sys_sendmsg (net/socket.c:2752)
[    3.905555]  __sys_sendmsg (net/socket.c:2784)
[    3.905577]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.905595]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.905621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.905647] RIP: 0033:0x7f928ae9a08e
[    3.905667] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.905764] RSP: 002b:00007ffeed2244e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.905801] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f928ae9a08e
[    3.905843] RDX: 0000000000000000 RSI: 00007ffeed224590 RDI: 0000000000000005
[    3.905883] RBP: 00007ffeed2244f0 R08: 0000000000000000 R09: 0000000000000000
[    3.905929] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.905970] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeed224c50
| [    3.906635] ------------[ cut here ]------------
| [    3.906674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/632
| [    3.906728] Modules linked in: ipvtap ipvlan
| [    3.906809] Tainted: [W]=WARN
[    3.906829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.906857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.906882] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.906984] RSP: 0018:ff75ca83c0c97720 EFLAGS: 00010286
[    3.907017] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.907059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6800
[    3.907098] RBP: 0000000000000000 R08: ff3addb94191ba50 R09: ff3addb94c60b030
[    3.907138] R10: ff3addb94a102120 R11: fefefefefefefeff R12: 0000000000000000
[    3.907178] R13: 0000000000000010 R14: ff3addb94a102000 R15: ff3addb941df6800
[    3.907219] FS:  00007f2f10b19840(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.907262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.907294] CR2: 00000000340e8988 CR3: 000000000c4f9004 CR4: 0000000000771ef0
[    3.907335] PKRU: 55555554
[    3.907348] Call Trace:
[    3.907362]  <TASK>
[    3.907375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.907396]  __dev_notify_flags (net/core/dev.c:9787)
[    3.907415]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.907437]  netif_change_flags (net/core/dev.c:9820)
[    3.907459]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.907479]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.907509]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.907531]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.907552]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.907578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.907600]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.907621]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.907649]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.907672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.907693]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.907711]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.907730]  ___sys_sendmsg (net/socket.c:2752)
[    3.907751]  __sys_sendmsg (net/socket.c:2784)
[    3.907770]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.907797]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.907823]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.907848] RIP: 0033:0x7f2f10d5308e
[    3.907870] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.907962] RSP: 002b:00007fff5ec0cb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.908012] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2f10d5308e
[    3.908056] RDX: 0000000000000000 RSI: 00007fff5ec0cbc0 RDI: 0000000000000005
[    3.908091] RBP: 00007fff5ec0cb20 R08: 0000000000000000 R09: 0000000000000000
[    3.908128] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.908167] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5ec0d280
| [    3.908292] ------------[ cut here ]------------
| [    3.908323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/607
| [    3.908381] Modules linked in: ipvtap ipvlan
| [    3.908471] Tainted: [W]=WARN
[    3.908489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.908520] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.908548] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.908644] RSP: 0018:ff75ca83c0e1f720 EFLAGS: 00010286
[    3.908667] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.908713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fda00
[    3.908751] RBP: 0000000000000000 R08: ff3addb94af021d0 R09: ff3addb94c6f4030
[    3.908792] R10: ff3addb94af62120 R11: fefefefefefefeff R12: 0000000000000000
[    3.908831] R13: 0000000000000010 R14: ff3addb94af62000 R15: ff3addb9418fda00
[    3.908875] FS:  00007fc6a0c95840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.908919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.908962] CR2: 000000000aa27988 CR3: 000000000c45d001 CR4: 0000000000771ef0
[    3.909140] PKRU: 55555554
[    3.909156] Call Trace:
[    3.909171]  <TASK>
[    3.909186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.909205]  __dev_notify_flags (net/core/dev.c:9787)
[    3.909229]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.909249]  netif_change_flags (net/core/dev.c:9820)
[    3.909269]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.909289]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.909318]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.909344]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.909366]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.909399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.909418]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.909438]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.909468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.909490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.909510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.909535]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.909556]  ___sys_sendmsg (net/socket.c:2752)
[    3.909577]  __sys_sendmsg (net/socket.c:2784)
[    3.909599]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.909621]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.909651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.909682] RIP: 0033:0x7fc6a0ecf08e
[    3.909702] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.909794] RSP: 002b:00007fff6e176ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.909838] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc6a0ecf08e
[    3.909878] RDX: 0000000000000000 RSI: 00007fff6e176f70 RDI: 0000000000000005
[    3.909916] RBP: 00007fff6e176ed0 R08: 0000000000000000 R09: 0000000000000000
[    3.909953] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.909995] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6e177630
| [    3.910509] ------------[ cut here ]------------
| [    3.910543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/651
| [    3.910594] Modules linked in: ipvtap ipvlan
| [    3.910686] Tainted: [W]=WARN
[    3.910704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.910744] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.910776] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.910865] RSP: 0018:ff75ca83c0e87720 EFLAGS: 00010286
[    3.910896] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.910937] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb9418fda00
[    3.910974] RBP: 0000000000000000 R08: ff3addb94b833e90 R09: ff3addb94c60d030
[    3.911020] R10: ff3addb94b1f6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.911062] R13: 0000000000000010 R14: ff3addb94b1f6000 R15: ff3addb9418fda00
[    3.911105] FS:  00007f8483753840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.911152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.911190] CR2: 000000000abb9988 CR3: 000000000c303004 CR4: 0000000000771ef0
[    3.911234] PKRU: 55555554
[    3.911249] Call Trace:
[    3.911263]  <TASK>
[    3.911278]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.911298]  __dev_notify_flags (net/core/dev.c:9787)
[    3.911319]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.911338]  netif_change_flags (net/core/dev.c:9820)
[    3.911359]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.911378]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.911405]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.911427]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.911449]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.911476]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.911493]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.911513]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.911539]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.911559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.911582]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.911600]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.911619]  ___sys_sendmsg (net/socket.c:2752)
[    3.911641]  __sys_sendmsg (net/socket.c:2784)
[    3.911658]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.911678]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.911709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.911736] RIP: 0033:0x7f848398d08e
[    3.911758] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.911858] RSP: 002b:00007ffe5682e5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.911896] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f848398d08e
[    3.911937] RDX: 0000000000000000 RSI: 00007ffe5682e650 RDI: 0000000000000005
[    3.911984] RBP: 00007ffe5682e5b0 R08: 0000000000000000 R09: 0000000000000000
[    3.912021] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.912056] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5682ed10
| [    3.912344] ------------[ cut here ]------------
| [    3.912373] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/656
| [    3.912430] Modules linked in: ipvtap ipvlan
| [    3.912525] Tainted: [W]=WARN
[    3.912545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.912578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.912603] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.912695] RSP: 0018:ff75ca83c0c47720 EFLAGS: 00010286
[    3.912727] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.912771] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5b00
[    3.912813] RBP: 0000000000000000 R08: ff3addb94a413250 R09: ff3addb94d493030
[    3.912860] R10: ff3addb94a614120 R11: fefefefefefefeff R12: 0000000000000000
[    3.912896] R13: 0000000000000010 R14: ff3addb94a614000 R15: ff3addb941df5b00
[    3.912948] FS:  00007fef5fd8a840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.913001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.913032] CR2: 0000000023e22988 CR3: 000000000b141006 CR4: 0000000000771ef0
[    3.913072] PKRU: 55555554
[    3.913087] Call Trace:
[    3.913099]  <TASK>
[    3.913114]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.913131]  __dev_notify_flags (net/core/dev.c:9787)
[    3.913152]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.913175]  netif_change_flags (net/core/dev.c:9820)
[    3.913196]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.913216]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.913243]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.913266]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.913285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.913312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.913334]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.913356]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.913379]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.913399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.913419]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.913443]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.913462]  ___sys_sendmsg (net/socket.c:2752)
[    3.913484]  __sys_sendmsg (net/socket.c:2784)
[    3.913505]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.913523]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.913548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.913575] RIP: 0033:0x7fef5ffc408e
[    3.913594] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.913688] RSP: 002b:00007ffd31278260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.913729] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fef5ffc408e
[    3.913774] RDX: 0000000000000000 RSI: 00007ffd31278310 RDI: 0000000000000005
[    3.913815] RBP: 00007ffd31278270 R08: 0000000000000000 R09: 0000000000000000
[    3.913848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.913887] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd312789d0
| [    3.914644] ------------[ cut here ]------------
| [    3.914681] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/649
| [    3.914735] Modules linked in: ipvtap ipvlan
| [    3.914818] Tainted: [W]=WARN
[    3.914835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.914866] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.914894] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.915005] RSP: 0018:ff75ca83c0cdf720 EFLAGS: 00010286
[    3.915033] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.915071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6900
[    3.915107] RBP: 0000000000000000 R08: ff3addb94a339490 R09: ff3addb94c608030
[    3.915143] R10: ff3addb94adea120 R11: fefefefefefefeff R12: 0000000000000000
[    3.915179] R13: 0000000000000010 R14: ff3addb94adea000 R15: ff3addb941df6900
[    3.915222] FS:  00007f2ce6d5b840(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.915266] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.915303] CR2: 0000000000f13988 CR3: 000000000c544003 CR4: 0000000000771ef0
[    3.915341] PKRU: 55555554
[    3.915356] Call Trace:
[    3.915369]  <TASK>
[    3.915388]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.915407]  __dev_notify_flags (net/core/dev.c:9787)
[    3.915428]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.915453]  netif_change_flags (net/core/dev.c:9820)
[    3.915479]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.915500]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.915529]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.915550]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.915571]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.915599]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.915619]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.915643]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.915668]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.915688]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.915710]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.915730]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.915750]  ___sys_sendmsg (net/socket.c:2752)
[    3.915770]  __sys_sendmsg (net/socket.c:2784)
[    3.915792]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.915812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.915838] RIP: 0033:0x7f2ce6f9508e
[    3.915858] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.915955] RSP: 002b:00007ffffdd8f640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.916000] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ce6f9508e
[    3.916039] RDX: 0000000000000000 RSI: 00007ffffdd8f6f0 RDI: 0000000000000005
[    3.916076] RBP: 00007ffffdd8f650 R08: 0000000000000000 R09: 0000000000000000
[    3.916118] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.916157] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffdd8fdb0
| [    3.916268] ------------[ cut here ]------------
| [    3.916296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/635
| [    3.916348] Modules linked in: ipvtap ipvlan
| [    3.916433] Tainted: [W]=WARN
[    3.916453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.916488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.916523] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.916608] RSP: 0018:ff75ca83c0e5f720 EFLAGS: 00010286
[    3.916635] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.916675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb942061200
[    3.916713] RBP: 0000000000000000 R08: ff3addb94a2436d0 R09: ff3addb94d497030
[    3.916757] R10: ff3addb9476f0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.916796] R13: 0000000000000010 R14: ff3addb9476f0000 R15: ff3addb942061200
[    3.916838] FS:  00007f73775fc840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.916884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.916917] CR2: 00007ff8b323f600 CR3: 000000000a708004 CR4: 0000000000771ef0
[    3.916974] PKRU: 55555554
[    3.916986] Call Trace:
[    3.917006]  <TASK>
[    3.917021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.917042]  __dev_notify_flags (net/core/dev.c:9787)
[    3.917066]  netif_change_flags (net/core/dev.c:9820)
[    3.917093]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.917113]  ? mutex_spin_on_owner (./arch/x86/include/asm/vdso/processor.h:13 ./arch/x86/include/asm/vdso/processor.h:18 kernel/locking/mutex.c:416)
[    3.917144]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.917168]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.917189]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.917211]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.917237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.917258]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.917278]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.917304]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.917326]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.917346]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.917372]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.917398]  ___sys_sendmsg (net/socket.c:2752)
[    3.917417]  __sys_sendmsg (net/socket.c:2784)
[    3.917437]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.917459]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.917487]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.917515] RIP: 0033:0x7f737783608e
[    3.917533] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.917623] RSP: 002b:00007ffce2652bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.917659] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f737783608e
[    3.917700] RDX: 0000000000000000 RSI: 00007ffce2652c60 RDI: 0000000000000005
[    3.917737] RBP: 00007ffce2652bc0 R08: 0000000000000000 R09: 0000000000000000
[    3.917770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.917814] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce2653320
| [    3.918045] ------------[ cut here ]------------
| [    3.918072] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/636
| [    3.918122] Modules linked in: ipvtap ipvlan
| [    3.918206] Tainted: [W]=WARN
[    3.918228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.918258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.918286] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.918380] RSP: 0018:ff75ca83c0c8f720 EFLAGS: 00010286
[    3.918410] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.918451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.918489] RBP: 0000000000000000 R08: ff3addb94a7389d0 R09: ff3addb94d494030
[    3.918528] R10: ff3addb94ad76120 R11: fefefefefefefeff R12: 0000000000000000
[    3.918569] R13: 0000000000000010 R14: ff3addb94ad76000 R15: ff3addb943040100
[    3.918613] FS:  00007f66dd0f4840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.918650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.918684] CR2: 000000003fca7988 CR3: 000000000c500006 CR4: 0000000000771ef0
[    3.918728] PKRU: 55555554
[    3.918741] Call Trace:
[    3.918761]  <TASK>
[    3.918775]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.918798]  __dev_notify_flags (net/core/dev.c:9787)
[    3.918819]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.918839]  netif_change_flags (net/core/dev.c:9820)
[    3.918859]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.918879]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.918907]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.918935]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.918958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.918985]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.919011]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.919031]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.919053]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.919072]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.919095]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.919117]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.919138]  ___sys_sendmsg (net/socket.c:2752)
[    3.919163]  __sys_sendmsg (net/socket.c:2784)
[    3.919181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.919206]  ? __sysvec_call_function (arch/x86/kernel/smp.c:263)
[    3.919232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.919258] RIP: 0033:0x7f66dd32e08e
[    3.919276] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.919374] RSP: 002b:00007ffc633817b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.919413] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f66dd32e08e
[    3.919451] RDX: 0000000000000000 RSI: 00007ffc63381860 RDI: 0000000000000005
[    3.919490] RBP: 00007ffc633817c0 R08: 0000000000000000 R09: 0000000000000000
[    3.919531] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.919570] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc63381f20
| [    3.919867] ------------[ cut here ]------------
| [    3.919901] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/628
| [    3.919954] Modules linked in: ipvtap ipvlan
| [    3.920040] Tainted: [W]=WARN
[    3.920063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.920100] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.920127] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.920222] RSP: 0018:ff75ca83c0e37720 EFLAGS: 00010286
[    3.920247] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.920282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6600
[    3.920337] RBP: 0000000000000000 R08: ff3addb941229bd0 R09: ff3addb94d499030
[    3.920373] R10: ff3addb94a17a120 R11: fefefefefefefeff R12: 0000000000000000
[    3.920411] R13: 0000000000000010 R14: ff3addb94a17a000 R15: ff3addb941df6600
[    3.920449] FS:  00007fafe3a7d840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.920485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.920518] CR2: 0000000009a5d988 CR3: 000000000ac31002 CR4: 0000000000771ef0
[    3.920562] PKRU: 55555554
[    3.920573] Call Trace:
[    3.920584]  <TASK>
[    3.920603]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.920625]  __dev_notify_flags (net/core/dev.c:9787)
[    3.920647]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.920668]  netif_change_flags (net/core/dev.c:9820)
[    3.920694]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.920715]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.920744]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.920764]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.920790]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.920815]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.920833]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.920853]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.920877]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.920897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.920918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.920950]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.920970]  ___sys_sendmsg (net/socket.c:2752)
[    3.920996]  __sys_sendmsg (net/socket.c:2784)
[    3.921020]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.921042]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.921067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.921098] RIP: 0033:0x7fafe3cb708e
[    3.921118] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.921205] RSP: 002b:00007fff53926d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.921242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fafe3cb708e
[    3.921280] RDX: 0000000000000000 RSI: 00007fff53926df0 RDI: 0000000000000005
[    3.921325] RBP: 00007fff53926d50 R08: 0000000000000000 R09: 0000000000000000
[    3.921365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.921403] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff539274b0
| [    3.921576] ------------[ cut here ]------------
| [    3.921602] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/583
| [    3.921649] Modules linked in: ipvtap ipvlan
| [    3.921734] Tainted: [W]=WARN
[    3.921752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.921788] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.921815] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.921903] RSP: 0018:ff75ca83c0def720 EFLAGS: 00010286
[    3.921934] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.921969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb943040100
[    3.922012] RBP: 0000000000000000 R08: ff3addb943189cd0 R09: ff3addb94d49e030
[    3.922054] R10: ff3addb9467fe120 R11: fefefefefefefeff R12: 0000000000000000
[    3.922093] R13: 0000000000000010 R14: ff3addb9467fe000 R15: ff3addb943040100
[    3.922135] FS:  00007fd901989840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.922176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.922208] CR2: 00007fb4ac525800 CR3: 000000000a2f2004 CR4: 0000000000771ef0
[    3.922252] PKRU: 55555554
[    3.922267] Call Trace:
[    3.922279]  <TASK>
[    3.922293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.922315]  __dev_notify_flags (net/core/dev.c:9787)
[    3.922337]  netif_change_flags (net/core/dev.c:9820)
[    3.922357]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.922379]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.922401]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.922421]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.922443]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.922466]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.922488]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.922514]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.922536]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.922555]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.922581]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.922602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.922622]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.922643]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.922663]  ___sys_sendmsg (net/socket.c:2752)
[    3.922685]  __sys_sendmsg (net/socket.c:2784)
[    3.922706]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.922726]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.922753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.922780] RIP: 0033:0x7fd901bc308e
[    3.922801] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.922892] RSP: 002b:00007ffc758345f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.922933] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd901bc308e
[    3.922973] RDX: 0000000000000000 RSI: 00007ffc758346a0 RDI: 0000000000000005
[    3.923020] RBP: 00007ffc75834600 R08: 0000000000000000 R09: 0000000000000000
[    3.923060] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.923100] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc75834d60
| [    3.923311] ------------[ cut here ]------------
| [    3.923345] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/611
| [    3.923397] Modules linked in: ipvtap ipvlan
| [    3.923478] Tainted: [W]=WARN
[    3.923496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.923535] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.923562] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.923655] RSP: 0018:ff75ca83c0c9f720 EFLAGS: 00010286
[    3.923681] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.923723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5500
[    3.923763] RBP: 0000000000000000 R08: ff3addb943369490 R09: ff3addb94d4a3030
[    3.923810] R10: ff3addb94a754120 R11: fefefefefefefeff R12: 0000000000000000
[    3.923852] R13: 0000000000000010 R14: ff3addb94a754000 R15: ff3addb941df5500
[    3.923887] FS:  00007f9952d79840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.923932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.923966] CR2: 0000000024c37988 CR3: 000000000a6f4005 CR4: 0000000000771ef0
[    3.924011] PKRU: 55555554
[    3.924026] Call Trace:
[    3.924039]  <TASK>
[    3.924050]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.924072]  __dev_notify_flags (net/core/dev.c:9787)
[    3.924093]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.924112]  netif_change_flags (net/core/dev.c:9820)
[    3.924131]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.924151]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.924182]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.924205]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.924224]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.924248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.924270]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.924293]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.924322]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.924341]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.924360]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.924382]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.924399]  ___sys_sendmsg (net/socket.c:2752)
[    3.924422]  __sys_sendmsg (net/socket.c:2784)
[    3.924439]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.924456]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.924488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.924513] RIP: 0033:0x7f9952fb308e
[    3.924534] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.924629] RSP: 002b:00007fff3c64b290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.924678] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9952fb308e
[    3.924715] RDX: 0000000000000000 RSI: 00007fff3c64b340 RDI: 0000000000000005
[    3.924763] RBP: 00007fff3c64b2a0 R08: 0000000000000000 R09: 0000000000000000
[    3.924804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.924841] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3c64ba00
| [    3.925085] ------------[ cut here ]------------
| [    3.925156] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/652
| [    3.925244] Modules linked in: ipvtap ipvlan
| [    3.925407] Tainted: [W]=WARN
[    3.925469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.925545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.925636] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.925760] RSP: 0018:ff75ca83c0e7f720 EFLAGS: 00010286
[    3.925848] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.925935] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[    3.926020] RBP: 0000000000000000 R08: ff3addb94af02590 R09: ff3addb94d4a7030
[    3.926095] R10: ff3addb94a3a8120 R11: fefefefefefefeff R12: 0000000000000000
[    3.926172] R13: 0000000000000010 R14: ff3addb94a3a8000 R15: ff3addb941913000
[    3.926251] FS:  00007f2b34dfe840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.926329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.926396] CR2: 0000000031039988 CR3: 000000000777a001 CR4: 0000000000771ef0
[    3.926473] PKRU: 55555554
[    3.926521] Call Trace:
[    3.926568]  <TASK>
[    3.926616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.926672]  __dev_notify_flags (net/core/dev.c:9787)
[    3.926728]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.926783]  netif_change_flags (net/core/dev.c:9820)
[    3.926839]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.926896]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.926966]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.927029]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.927085]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.927148]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.927205]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.927261]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.927323]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.927380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.927436]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.927492]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.927549]  ___sys_sendmsg (net/socket.c:2752)
[    3.927613]  __sys_sendmsg (net/socket.c:2784)
[    3.927669]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.927725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.927788] RIP: 0033:0x7f2b3503808e
[    3.927842] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.927979] RSP: 002b:00007ffd842c2a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.928063] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2b3503808e
[    3.928141] RDX: 0000000000000000 RSI: 00007ffd842c2b20 RDI: 0000000000000005
[    3.928219] RBP: 00007ffd842c2a80 R08: 0000000000000000 R09: 0000000000000000
[    3.928295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.928374] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd842c31e0
| [    3.929175] ------------[ cut here ]------------
| [    3.929206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/621
| [    3.929247] Modules linked in: ipvtap ipvlan
| [    3.929333] Tainted: [W]=WARN
[    3.929352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.929387] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.929411] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.929504] RSP: 0018:ff75ca83c0dbf720 EFLAGS: 00010286
[    3.929532] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.929572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913400
[    3.929610] RBP: 0000000000000000 R08: ff3addb94b3aa590 R09: ff3addb94d4ab030
[    3.929648] R10: ff3addb94b81c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.929690] R13: 0000000000000010 R14: ff3addb94b81c000 R15: ff3addb941913400
[    3.929731] FS:  00007fb13cbf7840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.929769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.929803] CR2: 0000000026b41988 CR3: 000000000aea7003 CR4: 0000000000771ef0
[    3.929841] PKRU: 55555554
[    3.929859] Call Trace:
[    3.929873]  <TASK>
[    3.929891]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.929913]  __dev_notify_flags (net/core/dev.c:9787)
[    3.929938]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.929959]  netif_change_flags (net/core/dev.c:9820)
[    3.929981]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.930006]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.930036]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.930057]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.930078]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.930108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.930129]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.930149]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.930176]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.930196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.930216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.930237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.930259]  ___sys_sendmsg (net/socket.c:2752)
[    3.930281]  __sys_sendmsg (net/socket.c:2784)
[    3.930298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.930318]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.930349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.930376] RIP: 0033:0x7fb13ce3108e
[    3.930398] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.930485] RSP: 002b:00007fff1383ae00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.930526] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb13ce3108e
[    3.930563] RDX: 0000000000000000 RSI: 00007fff1383aeb0 RDI: 0000000000000005
[    3.930607] RBP: 00007fff1383ae10 R08: 0000000000000000 R09: 0000000000000000
[    3.930656] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.930697] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1383b570
| [    3.930840] ------------[ cut here ]------------
| [    3.930875] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/638
| [    3.930935] Modules linked in: ipvtap ipvlan
| [    3.931030] Tainted: [W]=WARN
[    3.931050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.931084] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.931111] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.931206] RSP: 0018:ff75ca83c0dcf720 EFLAGS: 00010286
[    3.931235] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.931277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5000
[    3.931322] RBP: 0000000000000000 R08: ff3addb94af3dad0 R09: ff3addb94d4ad030
[    3.931364] R10: ff3addb94b22c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.931403] R13: 0000000000000010 R14: ff3addb94b22c000 R15: ff3addb941df5000
[    3.931445] FS:  00007efef608e840(0000) GS:ff3addb9d10c8000(0000) knlGS:0000000000000000
[    3.931487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.931523] CR2: 0000000024e36988 CR3: 000000000743f002 CR4: 0000000000771ef0
[    3.931562] PKRU: 55555554
[    3.931575] Call Trace:
[    3.931588]  <TASK>
[    3.931602]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.931623]  __dev_notify_flags (net/core/dev.c:9787)
[    3.931643]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.931664]  netif_change_flags (net/core/dev.c:9820)
[    3.931685]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.931705]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.931733]  ? __mutex_lock.constprop.0 (kernel/locking/mutex.c:522 kernel/locking/mutex.c:650 kernel/locking/mutex.c:820)
[    3.931760]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.931782]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.931803]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.931831]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.931853]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.931873]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.931900]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.931924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.931947]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.931970]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.931996]  ___sys_sendmsg (net/socket.c:2752)
[    3.932018]  __sys_sendmsg (net/socket.c:2784)
[    3.932040]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.932066]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.932093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.932117] RIP: 0033:0x7efef62c808e
[    3.932138] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.932227] RSP: 002b:00007ffe7cf24b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.932270] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efef62c808e
[    3.932309] RDX: 0000000000000000 RSI: 00007ffe7cf24bb0 RDI: 0000000000000005
[    3.932346] RBP: 00007ffe7cf24b10 R08: 0000000000000000 R09: 0000000000000000
[    3.932383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.932415] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7cf25270
| [    3.933582] ------------[ cut here ]------------
| [    3.933613] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/633
| [    3.933665] Modules linked in: ipvtap ipvlan
| [    3.933754] Tainted: [W]=WARN
[    3.933774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.933810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.933843] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.933943] RSP: 0018:ff75ca83c0e57720 EFLAGS: 00010286
[    3.933969] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.934013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df6700
[    3.934055] RBP: 0000000000000000 R08: ff3addb94ae7b510 R09: ff3addb94c60c030
[    3.934096] R10: ff3addb94b00c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.934138] R13: 0000000000000010 R14: ff3addb94b00c000 R15: ff3addb941df6700
[    3.934179] FS:  00007f16de9b1840(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[    3.934217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.934253] CR2: 00007fe063c09000 CR3: 000000000a405005 CR4: 0000000000771ef0
[    3.934291] PKRU: 55555554
[    3.934306] Call Trace:
[    3.934321]  <TASK>
[    3.934336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.934360]  __dev_notify_flags (net/core/dev.c:9787)
[    3.934382]  netif_change_flags (net/core/dev.c:9820)
[    3.934405]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.934429]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.934449]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.934468]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.934496]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.934517]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.934538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.934564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.934585]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.934607]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.934634]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.934655]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.934679]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.934699]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.934721]  ___sys_sendmsg (net/socket.c:2752)
[    3.934744]  __sys_sendmsg (net/socket.c:2784)
[    3.934764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.934786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.934816] RIP: 0033:0x7f16debeb08e
[    3.934837] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.934907] RSP: 002b:00007ffef6a26270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.934949] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f16debeb08e
[    3.934987] RDX: 0000000000000000 RSI: 00007ffef6a26320 RDI: 0000000000000005
[    3.935031] RBP: 00007ffef6a26280 R08: 0000000000000000 R09: 0000000000000000
[    3.935070] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd0f
[    3.935107] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef6a269e0
| [    3.935231] ------------[ cut here ]------------
| [    3.935293] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/641
| [    3.935382] Modules linked in: ipvtap ipvlan
| [    3.935539] Tainted: [W]=WARN
[    3.935593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.935669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.935732] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.935859] RSP: 0018:ff75ca83c0c5f720 EFLAGS: 00010286
[    3.935928] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.936010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913800
[    3.936085] RBP: 0000000000000000 R08: ff3addb94194e690 R09: ff3addb94d4a4030
[    3.936160] R10: ff3addb94a4fc120 R11: fefefefefefefeff R12: 0000000000000000
[    3.936234] R13: 0000000000000010 R14: ff3addb94a4fc000 R15: ff3addb941913800
[    3.936314] FS:  00007ff8b2f15840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[    3.936391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.936460] CR2: 0000000007350988 CR3: 0000000007425003 CR4: 0000000000771ef0
[    3.936535] PKRU: 55555554
[    3.936583] Call Trace:
[    3.936631]  <TASK>
[    3.936680]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.936736]  __dev_notify_flags (net/core/dev.c:9787)
[    3.936791]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    3.936846]  netif_change_flags (net/core/dev.c:9820)
[    3.936907]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.936969]  ? mutex_spin_on_owner (./arch/x86/include/asm/vdso/processor.h:13 ./arch/x86/include/asm/vdso/processor.h:18 kernel/locking/mutex.c:416)
[    3.937036]  ? __mutex_lock.constprop.0 (kernel/locking/mutex.c:522 kernel/locking/mutex.c:650 kernel/locking/mutex.c:820)
[    3.937100]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.937157]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.937214]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.937276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.937332]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.937388]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.937451]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.937507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.937564]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.937621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.937682]  ___sys_sendmsg (net/socket.c:2752)
[    3.937775]  __sys_sendmsg (net/socket.c:2784)
[    3.937833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.937890]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.937987]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.938060] RIP: 0033:0x7ff8b314f08e
[    3.938115] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.938237] RSP: 002b:00007ffe9746dd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.938317] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff8b314f08e
[    3.938395] RDX: 0000000000000000 RSI: 00007ffe9746ddb0 RDI: 0000000000000005
[    3.938473] RBP: 00007ffe9746dd10 R08: 0000000000000000 R09: 0000000000000000
[    3.938549] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.938626] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9746e470
| [    3.940712] ------------[ cut here ]------------
| [    3.940743] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/624
| [    3.940796] Modules linked in: ipvtap ipvlan
| [    3.940876] Tainted: [W]=WARN
[    3.940902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.940945] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.940975] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.941073] RSP: 0018:ff75ca83c0df7720 EFLAGS: 00010286
[    3.941098] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.941136] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941df5300
[    3.941165] RBP: 0000000000000000 R08: ff3addb943193390 R09: ff3addb94d4a9030
[    3.941198] R10: ff3addb94a296120 R11: fefefefefefefeff R12: 0000000000000000
[    3.941241] R13: 0000000000000010 R14: ff3addb94a296000 R15: ff3addb941df5300
[    3.941279] FS:  00007f34cf724840(0000) GS:ff3addb9d11c8000(0000) knlGS:0000000000000000
[    3.941324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.941356] CR2: 00007f4443308000 CR3: 000000000a0df004 CR4: 0000000000771ef0
[    3.941395] PKRU: 55555554
[    3.941407] Call Trace:
[    3.941419]  <TASK>
[    3.941431]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.941452]  __dev_notify_flags (net/core/dev.c:9787)
[    3.941473]  netif_change_flags (net/core/dev.c:9820)
[    3.941497]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.941518]  ? __schedule (kernel/sched/core.c:5391 kernel/sched/core.c:7189)
[    3.941539]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    3.941561]  ? __mutex_lock.constprop.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:797 kernel/locking/mutex.c:820)
[    3.941591]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.941615]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    3.941635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.941662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    3.941680]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.941702]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.941732]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.941751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.941770]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.941795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    3.941814]  ___sys_sendmsg (net/socket.c:2752)
[    3.941839]  __sys_sendmsg (net/socket.c:2784)
[    3.941860]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.941878]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[    3.941906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.941944] RIP: 0033:0x7f34cf95e08e
[    3.941967] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    3.942057] RSP: 002b:00007fff8c6a5c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    3.942096] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34cf95e08e
[    3.942137] RDX: 0000000000000000 RSI: 00007fff8c6a5d40 RDI: 0000000000000005
[    3.942177] RBP: 00007fff8c6a5ca0 R08: 0000000000000000 R09: 0000000000000000
[    3.942215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd10
[    3.942253] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8c6a6400
| [   50.621186] ------------[ cut here ]------------
| [   50.621271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.621367] Modules linked in: ipvtap ipvlan
| [   50.621527] Tainted: [W]=WARN
[   50.621582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.621654] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.621727] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.621868] RSP: 0018:ff75ca83c0c87670 EFLAGS: 00010286
[   50.621940] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.622016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.622092] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94c6fb034
[   50.622175] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[   50.622251] R13: 0000000000000010 R14: ff3addb941180000 R15: ff3addb941914000
[   50.622331] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.622410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.622479] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.622554] PKRU: 55555554
[   50.622602] Call Trace:
[   50.622652]  <TASK>
[   50.622714]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.622780]  netif_close_many (net/core/dev.c:1804)
[   50.622840]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.622903]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   50.622975]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.623055]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.623118]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.623202]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.623261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.623319]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.623379]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.623446]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.623507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.623565]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.623622]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.623682]  ___sys_sendmsg (net/socket.c:2752)
[   50.623739]  __sys_sendmsg (net/socket.c:2784)
[   50.623795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.623854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.623926] RIP: 0033:0x7f3e2a9e308e
[   50.623982] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.624113] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.624198] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.624274] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.624350] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.624428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.624503] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.624743] ------------[ cut here ]------------
| [   50.624804] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.624887] Modules linked in: ipvtap ipvlan
| [   50.625046] Tainted: [W]=WARN
[   50.625100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.625178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.625242] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.625373] RSP: 0018:ff75ca83c0c87670 EFLAGS: 00010286
[   50.625435] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.625512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.625587] RBP: 0000000000000000 R08: ff3addb944540910 R09: ff3addb94c6fb034
[   50.625662] R10: ff3addb9430af120 R11: fefefefefefefeff R12: 0000000000000000
[   50.625738] R13: 0000000000000010 R14: ff3addb9430af000 R15: ff3addb941914000
[   50.625820] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.625898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.625973] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.626052] PKRU: 55555554
[   50.626100] Call Trace:
[   50.626156]  <TASK>
[   50.626205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.626263]  netif_close_many (net/core/dev.c:1804)
[   50.626320]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.626384]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   50.626440]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   50.626504]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.626562]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.626619]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.626676]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.626733]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.626796]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.626859]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.626916]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.626980]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.627037]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.627095]  ___sys_sendmsg (net/socket.c:2752)
[   50.627159]  __sys_sendmsg (net/socket.c:2784)
[   50.627216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.627273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.627336] RIP: 0033:0x7f3e2a9e308e
[   50.627392] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.627521] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.627598] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.627673] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.627748] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.627824] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.627900] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.628311] ------------[ cut here ]------------
| [   50.628374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.628459] Modules linked in: ipvtap ipvlan
| [   50.628611] Tainted: [W]=WARN
[   50.628666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.628734] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.628796] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.628939] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.629002] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.629077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.629161] RBP: 0000000000000000 R08: ff3addb943189810 R09: ff3addb9446d9030
[   50.629237] R10: ff3addb9419a0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.629312] R13: 0000000000000010 R14: ff3addb9419a0000 R15: ff3addb941914000
[   50.629393] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.629470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.629539] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.629618] PKRU: 55555554
[   50.629667] Call Trace:
[   50.629716]  <TASK>
[   50.629765]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.629821]  netif_close_many (net/core/dev.c:1804)
[   50.629878]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.629949] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.630015]  notifier_call_chain (kernel/notifier.c:85)
[   50.630075]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.630138]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.630203]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.630261]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.630318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.630380]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.630437]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.630500]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.630577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.630643]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.630714]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.630781]  ___sys_sendmsg (net/socket.c:2752)
[   50.630841]  __sys_sendmsg (net/socket.c:2784)
[   50.630897]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.630962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.631025] RIP: 0033:0x7f3e2a9e308e
[   50.631080] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.631216] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.631292] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.631368] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.631443] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.631517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.631590] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.631811] ------------[ cut here ]------------
| [   50.631872] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.631960] Modules linked in: ipvtap ipvlan
| [   50.632116] Tainted: [W]=WARN
[   50.632177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.632245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.632308] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.632438] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.632499] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.632573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.632648] RBP: 0000000000000000 R08: ff3addb94451f010 R09: ff3addb9446d9030
[   50.632744] R10: ff3addb9467d0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.632822] R13: 0000000000000010 R14: ff3addb9467d0000 R15: ff3addb941914000
[   50.632901] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.632988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.633057] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.633134] PKRU: 55555554
[   50.633196] Call Trace:
[   50.633245]  <TASK>
[   50.633294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.633350]  netif_close_many (net/core/dev.c:1804)
[   50.633410]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.633472] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.633536]  notifier_call_chain (kernel/notifier.c:85)
[   50.633593]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.633656]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.633714]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.633771]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.633826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.633883]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.633946]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.634009]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.634066]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.634123]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.634185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.634242]  ___sys_sendmsg (net/socket.c:2752)
[   50.634299]  __sys_sendmsg (net/socket.c:2784)
[   50.634355]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.634415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.634477] RIP: 0033:0x7f3e2a9e308e
[   50.634532] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.634661] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.634737] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.634815] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.634888] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.634973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.635048] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.635271] ------------[ cut here ]------------
| [   50.635332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.635415] Modules linked in: ipvtap ipvlan
| [   50.635573] Tainted: [W]=WARN
[   50.635632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.635704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.635795] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.635939] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.636002] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.636077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.636159] RBP: 0000000000000000 R08: ff3addb944519510 R09: ff3addb9446d9030
[   50.636234] R10: ff3addb9447e8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.636310] R13: 0000000000000010 R14: ff3addb9447e8000 R15: ff3addb941914000
[   50.636388] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.636466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.636534] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.636612] PKRU: 55555554
[   50.636660] Call Trace:
[   50.636718]  <TASK>
[   50.636767]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.636823]  netif_close_many (net/core/dev.c:1804)
[   50.636879]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.636951] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.637014]  notifier_call_chain (kernel/notifier.c:85)
[   50.637072]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.637134]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.637195]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.637253]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.637309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.637365]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.637422]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.637485]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.637542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.637600]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.637656]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.637712]  ___sys_sendmsg (net/socket.c:2752)
[   50.637770]  __sys_sendmsg (net/socket.c:2784)
[   50.637826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.637882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.637952] RIP: 0033:0x7f3e2a9e308e
[   50.638007] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.638141] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.638223] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.638299] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.638375] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.638453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.638528] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.638767] ------------[ cut here ]------------
| [   50.638828] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.638911] Modules linked in: ipvtap ipvlan
| [   50.639074] Tainted: [W]=WARN
[   50.639129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.639236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.639306] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.639440] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.639502] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.639576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.639651] RBP: 0000000000000000 R08: ff3addb94317a510 R09: ff3addb9446d9030
[   50.639736] R10: ff3addb9471f2120 R11: fefefefefefefeff R12: 0000000000000000
[   50.639818] R13: 0000000000000010 R14: ff3addb9471f2000 R15: ff3addb941914000
[   50.639896] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.639987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.640056] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.640132] PKRU: 55555554
[   50.640223] Call Trace:
[   50.640272]  <TASK>
[   50.640320]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.640376]  netif_close_many (net/core/dev.c:1804)
[   50.640432]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.640494] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.640558]  notifier_call_chain (kernel/notifier.c:85)
[   50.640614]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.640679]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.640737]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.640793]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.640855]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.640912]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.640976]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.641040]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.641096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.641161]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.641218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.641275]  ___sys_sendmsg (net/socket.c:2752)
[   50.641332]  __sys_sendmsg (net/socket.c:2784)
[   50.641389]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.641445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.641509] RIP: 0033:0x7f3e2a9e308e
[   50.641563] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.641691] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.641766] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.641842] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.641916] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.642001] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.642075] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.642300] ------------[ cut here ]------------
| [   50.642361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.642444] Modules linked in: ipvtap ipvlan
| [   50.642596] Tainted: [W]=WARN
[   50.642650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.642718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.642781] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.642909] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.642982] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.643057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.643132] RBP: 0000000000000000 R08: ff3addb943189cd0 R09: ff3addb9446d9030
[   50.643216] R10: ff3addb9467fe120 R11: fefefefefefefeff R12: 0000000000000000
[   50.643294] R13: 0000000000000010 R14: ff3addb9467fe000 R15: ff3addb941914000
[   50.643378] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.643461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.643534] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.643617] PKRU: 55555554
[   50.643668] Call Trace:
[   50.643719]  <TASK>
[   50.643770]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.643832]  netif_close_many (net/core/dev.c:1804)
[   50.643893]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.643985] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.644053]  notifier_call_chain (kernel/notifier.c:85)
[   50.644113]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.644189]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.644252]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.644313]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.644373]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.644434]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.644494]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.644561]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.644622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.644682]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.644740]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.644797]  ___sys_sendmsg (net/socket.c:2752)
[   50.644854]  __sys_sendmsg (net/socket.c:2784)
[   50.644911]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.644976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.645039] RIP: 0033:0x7f3e2a9e308e
[   50.645094] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.645232] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.645310] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.645386] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.645461] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.645536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.645611] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.645838] ------------[ cut here ]------------
| [   50.645900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.645991] Modules linked in: ipvtap ipvlan
| [   50.646153] Tainted: [W]=WARN
[   50.646206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.646275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.646337] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.646470] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.646532] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.646607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.646683] RBP: 0000000000000000 R08: ff3addb9444f5b50 R09: ff3addb9446d9030
[   50.646758] R10: ff3addb9471f0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.646832] R13: 0000000000000010 R14: ff3addb9471f0000 R15: ff3addb941914000
[   50.646910] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.646994] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.647062] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.647139] PKRU: 55555554
[   50.647194] Call Trace:
[   50.647243]  <TASK>
[   50.647292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.647348]  netif_close_many (net/core/dev.c:1804)
[   50.647407]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.647470] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.647534]  notifier_call_chain (kernel/notifier.c:85)
[   50.647591]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.647655]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.647713]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.647770]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.647827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.647884]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.647948]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.648010]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.648068]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.648124]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.648191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.648248]  ___sys_sendmsg (net/socket.c:2752)
[   50.648306]  __sys_sendmsg (net/socket.c:2784)
[   50.648363]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.648419]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.648482] RIP: 0033:0x7f3e2a9e308e
[   50.648545] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.648679] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.648759] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.648834] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.648909] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.648989] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.649065] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.649292] ------------[ cut here ]------------
| [   50.649353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.649440] Modules linked in: ipvtap ipvlan
| [   50.649592] Tainted: [W]=WARN
[   50.649647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.649716] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.649779] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.649910] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.649976] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.650051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.650126] RBP: 0000000000000000 R08: ff3addb9444f5090 R09: ff3addb9446d9030
[   50.650205] R10: ff3addb9476f6120 R11: fefefefefefefeff R12: 0000000000000000
[   50.650280] R13: 0000000000000010 R14: ff3addb9476f6000 R15: ff3addb941914000
[   50.650358] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.650436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.650506] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.650581] PKRU: 55555554
[   50.650629] Call Trace:
[   50.650677]  <TASK>
[   50.650725]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.650781]  netif_close_many (net/core/dev.c:1804)
[   50.650837]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.650901] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.650969]  notifier_call_chain (kernel/notifier.c:85)
[   50.651026]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.651090]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.651154]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.651212]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.651270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.651326]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.651383]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.651447]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.651504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.651561]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.651618]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.651675]  ___sys_sendmsg (net/socket.c:2752)
[   50.651732]  __sys_sendmsg (net/socket.c:2784)
[   50.651789]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.651846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.651909] RIP: 0033:0x7f3e2a9e308e
[   50.651969] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.652096] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.652178] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.652253] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.652328] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.652405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.652480] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.652702] ------------[ cut here ]------------
| [   50.652763] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.652847] Modules linked in: ipvtap ipvlan
| [   50.653005] Tainted: [W]=WARN
[   50.653060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.653127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.653197] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.653324] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.653386] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.653460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.653535] RBP: 0000000000000000 R08: ff3addb94194bfd0 R09: ff3addb9446d9030
[   50.653610] R10: ff3addb947718120 R11: fefefefefefefeff R12: 0000000000000000
[   50.653685] R13: 0000000000000010 R14: ff3addb947718000 R15: ff3addb941914000
[   50.653763] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.653840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.653908] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.653992] PKRU: 55555554
[   50.654040] Call Trace:
[   50.654089]  <TASK>
[   50.654137]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.654199]  netif_close_many (net/core/dev.c:1804)
[   50.654255]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.654319] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.654382]  notifier_call_chain (kernel/notifier.c:85)
[   50.654439]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.654502]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.654559]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.654615]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.654671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.654727]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.654783]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.654845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.654902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.654964]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.655020]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.655080]  ___sys_sendmsg (net/socket.c:2752)
[   50.655137]  __sys_sendmsg (net/socket.c:2784)
[   50.655199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.655255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.655317] RIP: 0033:0x7f3e2a9e308e
[   50.655372] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.655497] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.655572] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.655645] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.655720] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.655794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.655869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.656100] ------------[ cut here ]------------
| [   50.656167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.656252] Modules linked in: ipvtap ipvlan
| [   50.656403] Tainted: [W]=WARN
[   50.656457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.656525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.656588] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.656716] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.656777] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.656850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.656933] RBP: 0000000000000000 R08: ff3addb94191b290 R09: ff3addb9446d9030
[   50.657007] R10: ff3addb9476f4120 R11: fefefefefefefeff R12: 0000000000000000
[   50.657081] R13: 0000000000000010 R14: ff3addb9476f4000 R15: ff3addb941914000
[   50.657169] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.657250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.657317] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.657393] PKRU: 55555554
[   50.657440] Call Trace:
[   50.657488]  <TASK>
[   50.657537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.657593]  netif_close_many (net/core/dev.c:1804)
[   50.657648]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.657711] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.657773]  notifier_call_chain (kernel/notifier.c:85)
[   50.657830]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.657893]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.657954]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.658010]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.658066]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.658122]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.658185]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.658268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.658336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.658393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.658449]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.658506]  ___sys_sendmsg (net/socket.c:2752)
[   50.658562]  __sys_sendmsg (net/socket.c:2784)
[   50.658618]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.658673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.658735] RIP: 0033:0x7f3e2a9e308e
[   50.658790] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.658929] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.659007] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.659080] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.659164] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.659238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.659313] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.659541] ------------[ cut here ]------------
| [   50.659600] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.659684] Modules linked in: ipvtap ipvlan
| [   50.659835] Tainted: [W]=WARN
[   50.659888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.659960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.660021] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.660159] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.660222] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.660295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.660370] RBP: 0000000000000000 R08: ff3addb94191ba50 R09: ff3addb9446d9030
[   50.660445] R10: ff3addb94a102120 R11: fefefefefefefeff R12: 0000000000000000
[   50.660519] R13: 0000000000000010 R14: ff3addb94a102000 R15: ff3addb941914000
[   50.660598] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.660675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.660744] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.660821] PKRU: 55555554
[   50.660868] Call Trace:
[   50.660915]  <TASK>
[   50.660972]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.661033]  netif_close_many (net/core/dev.c:1804)
[   50.661090]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.661161] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.661225]  notifier_call_chain (kernel/notifier.c:85)
[   50.661281]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.661344]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.661403]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.661460]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.661516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.661572]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.661628]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.661690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.661747]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.661803]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.661860]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.661917]  ___sys_sendmsg (net/socket.c:2752)
[   50.661981]  __sys_sendmsg (net/socket.c:2784)
[   50.662038]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.662095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.662164] RIP: 0033:0x7f3e2a9e308e
[   50.662220] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.662343] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.662421] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.662495] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.662571] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.662645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.662720] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.662945] ------------[ cut here ]------------
| [   50.663006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.663089] Modules linked in: ipvtap ipvlan
| [   50.663248] Tainted: [W]=WARN
[   50.663301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.663369] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.663433] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.663567] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.663633] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.663711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.663790] RBP: 0000000000000000 R08: ff3addb944538d90 R09: ff3addb9446d9030
[   50.663869] R10: ff3addb9476f2120 R11: fefefefefefefeff R12: 0000000000000000
[   50.663957] R13: 0000000000000010 R14: ff3addb9476f2000 R15: ff3addb941914000
[   50.664040] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.664121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.664203] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.664283] PKRU: 55555554
[   50.664334] Call Trace:
[   50.664385]  <TASK>
[   50.664437]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.664497]  netif_close_many (net/core/dev.c:1804)
[   50.664557]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.664623] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.664691]  notifier_call_chain (kernel/notifier.c:85)
[   50.664752]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.664818]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.664881]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.664950]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.665010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.665071]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.665131]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.665205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.665266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.665324]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.665382]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.665438]  ___sys_sendmsg (net/socket.c:2752)
[   50.665496]  __sys_sendmsg (net/socket.c:2784)
[   50.665552]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.665608]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.665670] RIP: 0033:0x7f3e2a9e308e
[   50.665725] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.665854] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.665936] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.666010] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.666085] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.666167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.666242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.666463] ------------[ cut here ]------------
| [   50.666525] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.666608] Modules linked in: ipvtap ipvlan
| [   50.666759] Tainted: [W]=WARN
[   50.666814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.666881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.666952] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.667079] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.667140] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.667222] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.667297] RBP: 0000000000000000 R08: ff3addb941229bd0 R09: ff3addb9446d9030
[   50.667372] R10: ff3addb94a17a120 R11: fefefefefefefeff R12: 0000000000000000
[   50.667448] R13: 0000000000000010 R14: ff3addb94a17a000 R15: ff3addb941914000
[   50.667528] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.667606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.667677] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.667753] PKRU: 55555554
[   50.667800] Call Trace:
[   50.667848]  <TASK>
[   50.667896]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.667961]  netif_close_many (net/core/dev.c:1804)
[   50.668017]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.668080] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.668143]  notifier_call_chain (kernel/notifier.c:85)
[   50.668208]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.668270]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.668333]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.668389]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.668446]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.668503]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.668559]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.668623]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.668680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.668737]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.668794]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.668850]  ___sys_sendmsg (net/socket.c:2752)
[   50.668907]  __sys_sendmsg (net/socket.c:2784)
[   50.668972]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.669029]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.669092] RIP: 0033:0x7f3e2a9e308e
[   50.669155] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.669286] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.669367] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.669446] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.669527] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.669606] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.669682] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.669946] ------------[ cut here ]------------
| [   50.670013] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.670100] Modules linked in: ipvtap ipvlan
| [   50.670264] Tainted: [W]=WARN
[   50.670319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.670387] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.670450] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.670581] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.670643] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.670719] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.670794] RBP: 0000000000000000 R08: ff3addb94a2436d0 R09: ff3addb9446d9030
[   50.670870] R10: ff3addb9476f0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.670964] R13: 0000000000000010 R14: ff3addb9476f0000 R15: ff3addb941914000
[   50.671043] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.671122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.671198] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.671276] PKRU: 55555554
[   50.671324] Call Trace:
[   50.671372]  <TASK>
[   50.671421]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.671477]  netif_close_many (net/core/dev.c:1804)
[   50.671534]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.671598] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.671661]  notifier_call_chain (kernel/notifier.c:85)
[   50.671718]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.671782]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.671840]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.671897]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.671962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.672019]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.672076]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.672139]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.672202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.672259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.672317]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.672374]  ___sys_sendmsg (net/socket.c:2752)
[   50.672431]  __sys_sendmsg (net/socket.c:2784)
[   50.672488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.672544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.672607] RIP: 0033:0x7f3e2a9e308e
[   50.672663] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.672792] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.672867] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.672952] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.673029] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.673105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.673185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.673410] ------------[ cut here ]------------
| [   50.673472] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.673556] Modules linked in: ipvtap ipvlan
| [   50.673713] Tainted: [W]=WARN
[   50.673768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.673836] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.673899] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.674037] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.674099] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.674179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.674255] RBP: 0000000000000000 R08: ff3addb94a3398d0 R09: ff3addb9446d9030
[   50.674329] R10: ff3addb94a3cc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.674405] R13: 0000000000000010 R14: ff3addb94a3cc000 R15: ff3addb941914000
[   50.674483] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.674560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.674629] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.674705] PKRU: 55555554
[   50.674753] Call Trace:
[   50.674801]  <TASK>
[   50.674849]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.674906]  netif_close_many (net/core/dev.c:1804)
[   50.674972]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.675036] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.675099]  notifier_call_chain (kernel/notifier.c:85)
[   50.675162]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.675226]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.675285]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.675342]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.675398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.675455]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.675512]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.675576]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.675632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.675689]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.675746]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.675803]  ___sys_sendmsg (net/socket.c:2752)
[   50.675861]  __sys_sendmsg (net/socket.c:2784)
[   50.675917]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.675981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.676045] RIP: 0033:0x7f3e2a9e308e
[   50.676101] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.676241] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.676319] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.676396] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.676474] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.676552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.676625] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.676851] ------------[ cut here ]------------
| [   50.676913] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.677006] Modules linked in: ipvtap ipvlan
| [   50.677169] Tainted: [W]=WARN
[   50.677225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.677293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.677356] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.677487] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.677550] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.677626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.677701] RBP: 0000000000000000 R08: ff3addb943173610 R09: ff3addb9446d9030
[   50.677777] R10: ff3addb94a444120 R11: fefefefefefefeff R12: 0000000000000000
[   50.677851] R13: 0000000000000010 R14: ff3addb94a444000 R15: ff3addb941914000
[   50.677937] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.678017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.678085] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.678170] PKRU: 55555554
[   50.678218] Call Trace:
[   50.678266]  <TASK>
[   50.678314]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.678371]  netif_close_many (net/core/dev.c:1804)
[   50.678427]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.678491] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.678555]  notifier_call_chain (kernel/notifier.c:85)
[   50.678612]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.678675]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.678733]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.678790]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.678846]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.678903]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.678971]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.679034]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.679091]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.679154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.679211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.679268]  ___sys_sendmsg (net/socket.c:2752)
[   50.679327]  __sys_sendmsg (net/socket.c:2784)
[   50.679383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.679440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.679502] RIP: 0033:0x7f3e2a9e308e
[   50.679558] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.679689] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.679764] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.679840] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.679915] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.679999] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.680076] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.680307] ------------[ cut here ]------------
| [   50.680368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.680451] Modules linked in: ipvtap ipvlan
| [   50.680604] Tainted: [W]=WARN
[   50.680658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.680728] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.680790] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.680916] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.680987] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.681061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.681137] RBP: 0000000000000000 R08: ff3addb943193390 R09: ff3addb9446d9030
[   50.681216] R10: ff3addb94a296120 R11: fefefefefefefeff R12: 0000000000000000
[   50.681290] R13: 0000000000000010 R14: ff3addb94a296000 R15: ff3addb941914000
[   50.681368] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.681446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.681514] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.681591] PKRU: 55555554
[   50.681638] Call Trace:
[   50.681686]  <TASK>
[   50.681735]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.681791]  netif_close_many (net/core/dev.c:1804)
[   50.681848]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.681912] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.681982]  notifier_call_chain (kernel/notifier.c:85)
[   50.682039]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.682103]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.682168]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.682225]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.682282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.682339]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.682396]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.682459]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.682516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.682573]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.682631]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.682688]  ___sys_sendmsg (net/socket.c:2752)
[   50.682746]  __sys_sendmsg (net/socket.c:2784)
[   50.682803]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.682859]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.682929] RIP: 0033:0x7f3e2a9e308e
[   50.682985] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.683112] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.683191] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.683266] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.683342] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.683439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.683515] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.683730] ------------[ cut here ]------------
| [   50.683791] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.683876] Modules linked in: ipvtap ipvlan
| [   50.684036] Tainted: [W]=WARN
[   50.684090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.684165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.684228] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.684357] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.684421] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.684496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.684572] RBP: 0000000000000000 R08: ff3addb94a4c4550 R09: ff3addb9446d9030
[   50.684648] R10: ff3addb94a616120 R11: fefefefefefefeff R12: 0000000000000000
[   50.684725] R13: 0000000000000010 R14: ff3addb94a616000 R15: ff3addb941914000
[   50.684805] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.684883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.684961] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.685038] PKRU: 55555554
[   50.685086] Call Trace:
[   50.685134]  <TASK>
[   50.685188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.685246]  netif_close_many (net/core/dev.c:1804)
[   50.685302]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.685369] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.685434]  notifier_call_chain (kernel/notifier.c:85)
[   50.685491]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.685554]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.685612]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.685668]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.685725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.685781]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.685838]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.685902]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.685968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.686025]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.686082]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.686138]  ___sys_sendmsg (net/socket.c:2752)
[   50.686207]  __sys_sendmsg (net/socket.c:2784)
[   50.686265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.686322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.686385] RIP: 0033:0x7f3e2a9e308e
[   50.686441] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.686571] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.686647] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.686720] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.686795] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.686871] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.686952] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.687186] ------------[ cut here ]------------
| [   50.687247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.687333] Modules linked in: ipvtap ipvlan
| [   50.687485] Tainted: [W]=WARN
[   50.687540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.687608] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.687671] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.687802] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.687865] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.687947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.688022] RBP: 0000000000000000 R08: ff3addb94a413250 R09: ff3addb9446d9030
[   50.688097] R10: ff3addb94a614120 R11: fefefefefefefeff R12: 0000000000000000
[   50.688178] R13: 0000000000000010 R14: ff3addb94a614000 R15: ff3addb941914000
[   50.688258] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.688336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.688405] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.688483] PKRU: 55555554
[   50.688531] Call Trace:
[   50.688579]  <TASK>
[   50.688627]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.688685]  netif_close_many (net/core/dev.c:1804)
[   50.688742]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.688805] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.688869]  notifier_call_chain (kernel/notifier.c:85)
[   50.688935]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.688998]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.689058]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.689115]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.689178]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.689236]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.689293]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.689355]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.689412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.689469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.689526]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.689583]  ___sys_sendmsg (net/socket.c:2752)
[   50.689641]  __sys_sendmsg (net/socket.c:2784)
[   50.689697]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.689754]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.689816] RIP: 0033:0x7f3e2a9e308e
[   50.689872] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.690011] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.690088] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.690169] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.690246] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.690320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.690396] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.690615] ------------[ cut here ]------------
| [   50.690677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.690761] Modules linked in: ipvtap ipvlan
| [   50.690915] Tainted: [W]=WARN
[   50.690979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.691048] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.691110] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.691246] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.691308] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.691385] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.691461] RBP: 0000000000000000 R08: ff3addb943369490 R09: ff3addb9446d9030
[   50.691535] R10: ff3addb94a754120 R11: fefefefefefefeff R12: 0000000000000000
[   50.691609] R13: 0000000000000010 R14: ff3addb94a754000 R15: ff3addb941914000
[   50.691690] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.691767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.691836] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.691916] PKRU: 55555554
[   50.691973] Call Trace:
[   50.692020]  <TASK>
[   50.692069]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.692124]  netif_close_many (net/core/dev.c:1804)
[   50.692186]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.692249] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.692313]  notifier_call_chain (kernel/notifier.c:85)
[   50.692369]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.692432]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.692490]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.692547]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.692603]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.692660]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.692716]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.692780]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.692837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.692893]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.692957]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.693014]  ___sys_sendmsg (net/socket.c:2752)
[   50.693071]  __sys_sendmsg (net/socket.c:2784)
[   50.693128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.693190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.693252] RIP: 0033:0x7f3e2a9e308e
[   50.693308] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.693439] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.693515] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.693589] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.693663] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.693739] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.693817] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.694051] ------------[ cut here ]------------
| [   50.694112] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.694201] Modules linked in: ipvtap ipvlan
| [   50.694352] Tainted: [W]=WARN
[   50.694407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.694474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.694536] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.694663] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.694725] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.694799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.694876] RBP: 0000000000000000 R08: ff3addb94194e690 R09: ff3addb9446d9030
[   50.694960] R10: ff3addb94a4fc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.695036] R13: 0000000000000010 R14: ff3addb94a4fc000 R15: ff3addb941914000
[   50.695113] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.695195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.695265] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.695342] PKRU: 55555554
[   50.695389] Call Trace:
[   50.695437]  <TASK>
[   50.695486]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.695542]  netif_close_many (net/core/dev.c:1804)
[   50.695598]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.695661] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.695723]  notifier_call_chain (kernel/notifier.c:85)
[   50.695781]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.695843]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.695902]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.695968]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.696024]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.696081]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.696137]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.696208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.696266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.696323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.696379]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.696436]  ___sys_sendmsg (net/socket.c:2752)
[   50.696493]  __sys_sendmsg (net/socket.c:2784)
[   50.696549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.696606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.696668] RIP: 0033:0x7f3e2a9e308e
[   50.696723] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.696851] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.696934] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.697009] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.697082] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.697163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.697238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.697457] ------------[ cut here ]------------
| [   50.697518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.697602] Modules linked in: ipvtap ipvlan
| [   50.697757] Tainted: [W]=WARN
[   50.697811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.697878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.697947] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.698080] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.698143] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.698226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.698302] RBP: 0000000000000000 R08: ff3addb94a7389d0 R09: ff3addb9446d9030
[   50.698377] R10: ff3addb94ad76120 R11: fefefefefefefeff R12: 0000000000000000
[   50.698452] R13: 0000000000000010 R14: ff3addb94ad76000 R15: ff3addb941914000
[   50.698530] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.698607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.698675] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.698752] PKRU: 55555554
[   50.698799] Call Trace:
[   50.698848]  <TASK>
[   50.698895]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.698961]  netif_close_many (net/core/dev.c:1804)
[   50.699017]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.699080] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.699152]  notifier_call_chain (kernel/notifier.c:85)
[   50.699210]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.699273]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.699332]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.699389]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.699446]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.699503]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.699560]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.699623]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.699681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.699738]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.699795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.699853]  ___sys_sendmsg (net/socket.c:2752)
[   50.699911]  __sys_sendmsg (net/socket.c:2784)
[   50.699976]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.700033]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.700095] RIP: 0033:0x7f3e2a9e308e
[   50.700156] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.700286] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.700362] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.700436] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.700513] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.700589] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.700664] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.700886] ------------[ cut here ]------------
| [   50.700953] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.701038] Modules linked in: ipvtap ipvlan
| [   50.701198] Tainted: [W]=WARN
[   50.701253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.701321] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.701384] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.701513] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.701575] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.701650] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.701724] RBP: 0000000000000000 R08: ff3addb94ac52890 R09: ff3addb9446d9030
[   50.701801] R10: ff3addb94a4fa120 R11: fefefefefefefeff R12: 0000000000000000
[   50.701877] R13: 0000000000000010 R14: ff3addb94a4fa000 R15: ff3addb941914000
[   50.701964] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.702042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.702110] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.702196] PKRU: 55555554
[   50.702245] Call Trace:
[   50.702293]  <TASK>
[   50.702342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.702399]  netif_close_many (net/core/dev.c:1804)
[   50.702456]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.702519] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.702583]  notifier_call_chain (kernel/notifier.c:85)
[   50.702640]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.702703]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.702762]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.702819]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.702876]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.702939]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.702996]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.703060]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.703117]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.703178]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.703236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.703293]  ___sys_sendmsg (net/socket.c:2752)
[   50.703351]  __sys_sendmsg (net/socket.c:2784)
[   50.703410]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.703467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.703530] RIP: 0033:0x7f3e2a9e308e
[   50.703586] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.703723] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.703801] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.703880] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.703967] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.704044] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.704119] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.704346] ------------[ cut here ]------------
| [   50.704409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.704493] Modules linked in: ipvtap ipvlan
| [   50.704647] Tainted: [W]=WARN
[   50.704702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.704771] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.704833] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.704967] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.705029] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.705106] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.705185] RBP: 0000000000000000 R08: ff3addb94a339490 R09: ff3addb9446d9030
[   50.705261] R10: ff3addb94adea120 R11: fefefefefefefeff R12: 0000000000000000
[   50.705336] R13: 0000000000000010 R14: ff3addb94adea000 R15: ff3addb941914000
[   50.705414] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.705493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.705561] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.705637] PKRU: 55555554
[   50.705685] Call Trace:
[   50.705733]  <TASK>
[   50.705782]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.705838]  netif_close_many (net/core/dev.c:1804)
[   50.705895]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.705969] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.706033]  notifier_call_chain (kernel/notifier.c:85)
[   50.706090]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.706162]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.706221]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.706279]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.706335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.706392]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.706449]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.706513]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.706569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.706626]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.706684]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.706741]  ___sys_sendmsg (net/socket.c:2752)
[   50.706800]  __sys_sendmsg (net/socket.c:2784)
[   50.706856]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.706913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.706983] RIP: 0033:0x7f3e2a9e308e
[   50.707039] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.707176] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.707253] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.707328] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.707404] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.707479] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.707557] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.707773] ------------[ cut here ]------------
| [   50.707835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.707927] Modules linked in: ipvtap ipvlan
| [   50.708088] Tainted: [W]=WARN
[   50.708143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.708220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.708284] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.708415] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.708476] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.708552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.708626] RBP: 0000000000000000 R08: ff3addb94af021d0 R09: ff3addb9446d9030
[   50.708701] R10: ff3addb94af62120 R11: fefefefefefefeff R12: 0000000000000000
[   50.708774] R13: 0000000000000010 R14: ff3addb94af62000 R15: ff3addb941914000
[   50.708852] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.708936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.709006] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.709083] PKRU: 55555554
[   50.709131] Call Trace:
[   50.709186]  <TASK>
[   50.709235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.709292]  netif_close_many (net/core/dev.c:1804)
[   50.709349]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.709413] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.709477]  notifier_call_chain (kernel/notifier.c:85)
[   50.709534]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.709597]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.709656]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.709713]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.709770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.709826]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.709883]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.709953]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.710010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.710067]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.710125]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.710186]  ___sys_sendmsg (net/socket.c:2752)
[   50.710244]  __sys_sendmsg (net/socket.c:2784)
[   50.710301]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.710358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.710420] RIP: 0033:0x7f3e2a9e308e
[   50.710476] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.710602] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.710678] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.710753] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.710830] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.710904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.710985] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.711214] ------------[ cut here ]------------
| [   50.711276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.711361] Modules linked in: ipvtap ipvlan
| [   50.711517] Tainted: [W]=WARN
[   50.711571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.711639] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.711701] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.711827] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.711889] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.711975] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.712050] RBP: 0000000000000000 R08: ff3addb94af02590 R09: ff3addb9446d9030
[   50.712123] R10: ff3addb94a3a8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.712205] R13: 0000000000000010 R14: ff3addb94a3a8000 R15: ff3addb941914000
[   50.712283] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.712361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.712431] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.712508] PKRU: 55555554
[   50.712556] Call Trace:
[   50.712603]  <TASK>
[   50.712652]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.712708]  netif_close_many (net/core/dev.c:1804)
[   50.712765]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.712830] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.712894]  notifier_call_chain (kernel/notifier.c:85)
[   50.712957]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.713020]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.713078]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.713136]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.713197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.713254]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.713311]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.713374]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.713431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.713488]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.713545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.713602]  ___sys_sendmsg (net/socket.c:2752)
[   50.713660]  __sys_sendmsg (net/socket.c:2784)
[   50.713717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.713773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.713836] RIP: 0033:0x7f3e2a9e308e
[   50.713892] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.714028] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.714104] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.714184] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.714258] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.714332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.714409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.714634] ------------[ cut here ]------------
| [   50.714696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.714779] Modules linked in: ipvtap ipvlan
| [   50.714938] Tainted: [W]=WARN
[   50.714992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.715061] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.715123] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.715259] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.715321] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.715398] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.715473] RBP: 0000000000000000 R08: ff3addb94ae7b510 R09: ff3addb9446d9030
[   50.715547] R10: ff3addb94b00c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.715621] R13: 0000000000000010 R14: ff3addb94b00c000 R15: ff3addb941914000
[   50.715701] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.715777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.715845] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.715928] PKRU: 55555554
[   50.715976] Call Trace:
[   50.716024]  <TASK>
[   50.716073]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.716129]  netif_close_many (net/core/dev.c:1804)
[   50.716192]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.716256] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.716318]  notifier_call_chain (kernel/notifier.c:85)
[   50.716375]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.716438]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.716497]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.716554]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.716611]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.716668]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.716725]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.716788]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.716845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.716902]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.716971]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.717029]  ___sys_sendmsg (net/socket.c:2752)
[   50.717087]  __sys_sendmsg (net/socket.c:2784)
[   50.717151]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.717208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.717271] RIP: 0033:0x7f3e2a9e308e
[   50.717326] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.717457] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.717534] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.717608] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.717683] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.717757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.717834] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.718060] ------------[ cut here ]------------
| [   50.718120] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.718212] Modules linked in: ipvtap ipvlan
| [   50.718364] Tainted: [W]=WARN
[   50.718419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.718488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.718551] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.718679] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.718741] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.718815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.718890] RBP: 0000000000000000 R08: ff3addb94af3d750 R09: ff3addb9446d9030
[   50.718975] R10: ff3addb94b0cc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.719051] R13: 0000000000000010 R14: ff3addb94b0cc000 R15: ff3addb941914000
[   50.719129] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.719216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.719287] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.719364] PKRU: 55555554
[   50.719413] Call Trace:
[   50.719461]  <TASK>
[   50.719510]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.719584]  netif_close_many (net/core/dev.c:1804)
[   50.719641]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.719705] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.719768]  notifier_call_chain (kernel/notifier.c:85)
[   50.719825]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.719888]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.719955]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.720012]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.720069]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.720126]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.720638]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.720702]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.720760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.720817]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.720874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.720938]  ___sys_sendmsg (net/socket.c:2752)
[   50.720996]  __sys_sendmsg (net/socket.c:2784)
[   50.721053]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.721110]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.721177] RIP: 0033:0x7f3e2a9e308e
[   50.721233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.721362] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.721442] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.721517] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.721593] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.721671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.721746] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.721972] ------------[ cut here ]------------
| [   50.722033] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.722117] Modules linked in: ipvtap ipvlan
| [   50.722275] Tainted: [W]=WARN
[   50.722330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.722399] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.722462] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.722590] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.722652] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.722726] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.722802] RBP: 0000000000000000 R08: ff3addb94af02b90 R09: ff3addb9446d9030
[   50.722876] R10: ff3addb94b174120 R11: fefefefefefefeff R12: 0000000000000000
[   50.722960] R13: 0000000000000010 R14: ff3addb94b174000 R15: ff3addb941914000
[   50.723039] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.723117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.723193] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.723270] PKRU: 55555554
[   50.723317] Call Trace:
[   50.723365]  <TASK>
[   50.723414]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.723470]  netif_close_many (net/core/dev.c:1804)
[   50.723527]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.723589] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.723653]  notifier_call_chain (kernel/notifier.c:85)
[   50.723710]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.723774]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.723833]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.723890]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.723952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.724010]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.724067]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.724131]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.724194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.724251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.724308]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.724365]  ___sys_sendmsg (net/socket.c:2752)
[   50.724423]  __sys_sendmsg (net/socket.c:2784)
[   50.724480]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.724537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.724599] RIP: 0033:0x7f3e2a9e308e
[   50.724655] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.724785] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.724862] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.724944] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.725018] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.725093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.725175] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.725389] ------------[ cut here ]------------
| [   50.725449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.725533] Modules linked in: ipvtap ipvlan
| [   50.725688] Tainted: [W]=WARN
[   50.725742] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.725811] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.725873] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.726011] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.726073] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.726154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.726230] RBP: 0000000000000000 R08: ff3addb94af3dad0 R09: ff3addb9446d9030
[   50.726304] R10: ff3addb94b22c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.726377] R13: 0000000000000010 R14: ff3addb94b22c000 R15: ff3addb941914000
[   50.726454] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.726530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.726599] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.726677] PKRU: 55555554
[   50.726725] Call Trace:
[   50.726773]  <TASK>
[   50.726821]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.726877]  netif_close_many (net/core/dev.c:1804)
[   50.726941]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.727004] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.727068]  notifier_call_chain (kernel/notifier.c:85)
[   50.727125]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.727192]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.727251]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.727308]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.727365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.727421]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.727478]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.727542]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.727600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.727657]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.727714]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.727771]  ___sys_sendmsg (net/socket.c:2752)
[   50.727828]  __sys_sendmsg (net/socket.c:2784)
[   50.727884]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.727947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.728010] RIP: 0033:0x7f3e2a9e308e
[   50.728065] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.728198] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.728272] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.728346] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.728423] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.728499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.728576] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.728792] ------------[ cut here ]------------
| [   50.728852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.728944] Modules linked in: ipvtap ipvlan
| [   50.729095] Tainted: [W]=WARN
[   50.729156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.729238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.729300] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.729432] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.729494] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.729569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.729644] RBP: 0000000000000000 R08: ff3addb94b374350 R09: ff3addb9446d9030
[   50.729718] R10: ff3addb94b324120 R11: fefefefefefefeff R12: 0000000000000000
[   50.729794] R13: 0000000000000010 R14: ff3addb94b324000 R15: ff3addb941914000
[   50.729873] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.729953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.730021] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.730098] PKRU: 55555554
[   50.730151] Call Trace:
[   50.730199]  <TASK>
[   50.730247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.730303]  netif_close_many (net/core/dev.c:1804)
[   50.730360]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.730423] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.730487]  notifier_call_chain (kernel/notifier.c:85)
[   50.730543]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.730605]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.730664]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.730721]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.730777]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.730834]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.730891]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.730962]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.731019]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.731075]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.731132]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.731195]  ___sys_sendmsg (net/socket.c:2752)
[   50.731253]  __sys_sendmsg (net/socket.c:2784)
[   50.731310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.731366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.731429] RIP: 0033:0x7f3e2a9e308e
[   50.731485] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.731617] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.731695] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.731770] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.731844] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.731926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.732001] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.732234] ------------[ cut here ]------------
| [   50.732295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.732379] Modules linked in: ipvtap ipvlan
| [   50.732535] Tainted: [W]=WARN
[   50.732589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.732657] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.732718] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.732847] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.732908] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.732992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.733067] RBP: 0000000000000000 R08: ff3addb94b3aa590 R09: ff3addb9446d9030
[   50.733143] R10: ff3addb94b81c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.733226] R13: 0000000000000010 R14: ff3addb94b81c000 R15: ff3addb941914000
[   50.733305] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.733381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.733449] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.733526] PKRU: 55555554
[   50.733573] Call Trace:
[   50.733621]  <TASK>
[   50.733669]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.733725]  netif_close_many (net/core/dev.c:1804)
[   50.733781]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.733845] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.733908]  notifier_call_chain (kernel/notifier.c:85)
[   50.733970]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.734032]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.734091]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.734154]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.734212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.734268]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.734325]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.734387]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.734444]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.734501]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.734557]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.734614]  ___sys_sendmsg (net/socket.c:2752)
[   50.734671]  __sys_sendmsg (net/socket.c:2784)
[   50.734727]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.734784]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.734846] RIP: 0033:0x7f3e2a9e308e
[   50.734901] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.735038] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.735114] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.735192] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.735266] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.735340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.735416] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.735632] ------------[ cut here ]------------
| [   50.735692] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.735778] Modules linked in: ipvtap ipvlan
| [   50.735938] Tainted: [W]=WARN
[   50.735992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.736060] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.736123] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.736257] RSP: 0018:ff75ca83c0c87578 EFLAGS: 00010286
[   50.736319] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.736395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.736473] RBP: 0000000000000000 R08: ff3addb94b833e90 R09: ff3addb9446d9030
[   50.736549] R10: ff3addb94b1f6120 R11: fefefefefefefeff R12: 0000000000000000
[   50.736624] R13: 0000000000000010 R14: ff3addb94b1f6000 R15: ff3addb941914000
[   50.736704] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.736783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.736853] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.736936] PKRU: 55555554
[   50.736985] Call Trace:
[   50.737032]  <TASK>
[   50.737080]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.737135]  netif_close_many (net/core/dev.c:1804)
[   50.737197]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.737260] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.737323]  notifier_call_chain (kernel/notifier.c:85)
[   50.737380]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.737442]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.737501]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.737557]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.737614]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.737670]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.737726]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.737790]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.737846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.737903]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.737969]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.738026]  ___sys_sendmsg (net/socket.c:2752)
[   50.738083]  __sys_sendmsg (net/socket.c:2784)
[   50.738139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.738204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.738266] RIP: 0033:0x7f3e2a9e308e
[   50.738322] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.738451] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.738526] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.738600] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.738675] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.738750] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.738825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.739190] ------------[ cut here ]------------
| [   50.739253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.739337] Modules linked in: ipvtap ipvlan
| [   50.739490] Tainted: [W]=WARN
[   50.739544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.739612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.739675] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.739804] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.739866] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.739998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.740073] RBP: 0000000000000000 R08: ff3addb943189810 R09: ff3addb9446e9030
[   50.740154] R10: ff3addb9419a0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.740230] R13: 0000000000000011 R14: ff3addb9419a0000 R15: ff3addb941914000
[   50.740307] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.740383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.740450] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.740527] PKRU: 55555554
[   50.740575] Call Trace:
[   50.740623]  <TASK>
[   50.740671]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.740733] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.740797]  notifier_call_chain (kernel/notifier.c:85)
[   50.740854]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.740916]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.740984]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.741040]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.741097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.741160]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.741218]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.741280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.741337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.741394]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.741451]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.741507]  ___sys_sendmsg (net/socket.c:2752)
[   50.741565]  __sys_sendmsg (net/socket.c:2784)
[   50.741621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.741677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.741740] RIP: 0033:0x7f3e2a9e308e
[   50.741795] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.741931] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.742007] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.742083] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.742165] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.742241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.742315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.742611] ------------[ cut here ]------------
| [   50.742674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.742758] Modules linked in: ipvtap ipvlan
| [   50.742910] Tainted: [W]=WARN
[   50.742970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.743039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.743101] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.743236] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.743298] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.743372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.743448] RBP: 0000000000000000 R08: ff3addb94451f010 R09: ff3addb9419be830
[   50.743524] R10: ff3addb9467d0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.743598] R13: 0000000000000011 R14: ff3addb9467d0000 R15: ff3addb941914000
[   50.743678] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.743754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.743823] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.743900] PKRU: 55555554
[   50.743952] Call Trace:
[   50.744000]  <TASK>
[   50.744048]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.744111] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.744179]  notifier_call_chain (kernel/notifier.c:85)
[   50.744236]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.744298]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.744357]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.744414]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.744470]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.744527]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.744583]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.744646]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.744703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.744760]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.744817]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.744873]  ___sys_sendmsg (net/socket.c:2752)
[   50.744939]  __sys_sendmsg (net/socket.c:2784)
[   50.744996]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.745052]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.745115] RIP: 0033:0x7f3e2a9e308e
[   50.745177] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.745304] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.745378] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.745453] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.745527] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.745603] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.745677] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.745974] ------------[ cut here ]------------
| [   50.746035] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.746118] Modules linked in: ipvtap ipvlan
| [   50.746275] Tainted: [W]=WARN
[   50.746329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.746397] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.746460] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.746587] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.746649] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.746724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.746801] RBP: 0000000000000000 R08: ff3addb944519510 R09: ff3addb9474dc830
[   50.746876] R10: ff3addb9447e8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.746961] R13: 0000000000000011 R14: ff3addb9447e8000 R15: ff3addb941914000
[   50.747038] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.747116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.747191] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.747267] PKRU: 55555554
[   50.747315] Call Trace:
[   50.747362]  <TASK>
[   50.747411]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.747473] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.747537]  notifier_call_chain (kernel/notifier.c:85)
[   50.747594]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.747657]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.747715]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.747772]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.747829]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.747886]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.747949]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.748012]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.748069]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.748126]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.748186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.748243]  ___sys_sendmsg (net/socket.c:2752)
[   50.748301]  __sys_sendmsg (net/socket.c:2784)
[   50.748357]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.748414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.748477] RIP: 0033:0x7f3e2a9e308e
[   50.748532] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.748658] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.748734] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.748808] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.748883] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.749019] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.749131] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.749428] ------------[ cut here ]------------
| [   50.749489] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.749574] Modules linked in: ipvtap ipvlan
| [   50.749725] Tainted: [W]=WARN
[   50.749779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.749847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.749909] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.750048] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.750110] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.750191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.750265] RBP: 0000000000000000 R08: ff3addb94317a510 R09: ff3addb9474f0830
[   50.750340] R10: ff3addb9471f2120 R11: fefefefefefefeff R12: 0000000000000000
[   50.750418] R13: 0000000000000011 R14: ff3addb9471f2000 R15: ff3addb941914000
[   50.750497] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.750575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.750645] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.750721] PKRU: 55555554
[   50.750769] Call Trace:
[   50.750816]  <TASK>
[   50.750864]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.750933] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.750996]  notifier_call_chain (kernel/notifier.c:85)
[   50.751053]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.751116]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.751179]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.751236]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.751293]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.751349]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.751408]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.751471]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.751534]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.751591]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.751648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.751705]  ___sys_sendmsg (net/socket.c:2752)
[   50.751762]  __sys_sendmsg (net/socket.c:2784)
[   50.751818]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.751875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.751944] RIP: 0033:0x7f3e2a9e308e
[   50.752000] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.752126] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.752204] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.752278] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.752353] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.752427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.752503] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.752788] ------------[ cut here ]------------
| [   50.752851] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.752941] Modules linked in: ipvtap ipvlan
| [   50.753093] Tainted: [W]=WARN
[   50.753155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.753224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.753286] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.753417] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.753479] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.753553] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.753627] RBP: 0000000000000000 R08: ff3addb943189cd0 R09: ff3addb9446ea030
[   50.753703] R10: ff3addb9467fe120 R11: fefefefefefefeff R12: 0000000000000000
[   50.753777] R13: 0000000000000011 R14: ff3addb9467fe000 R15: ff3addb941914000
[   50.753855] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.753944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.754012] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.754089] PKRU: 55555554
[   50.754136] Call Trace:
[   50.754187]  <TASK>
[   50.754236]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.754299] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.754363]  notifier_call_chain (kernel/notifier.c:85)
[   50.754420]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.754483]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.754541]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.754598]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.754654]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.754711]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.754768]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.754831]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.754888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.754952]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.755010]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.755066]  ___sys_sendmsg (net/socket.c:2752)
[   50.755124]  __sys_sendmsg (net/socket.c:2784)
[   50.755185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.755242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.755305] RIP: 0033:0x7f3e2a9e308e
[   50.755360] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.755488] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.755563] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.755640] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.755715] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.755789] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.755863] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.756154] ------------[ cut here ]------------
| [   50.756216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.756299] Modules linked in: ipvtap ipvlan
| [   50.756450] Tainted: [W]=WARN
[   50.756504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.756571] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.756633] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.756761] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.756822] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.756896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.756985] RBP: 0000000000000000 R08: ff3addb9444f5b50 R09: ff3addb94765e030
[   50.757059] R10: ff3addb9471f0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.757133] R13: 0000000000000011 R14: ff3addb9471f0000 R15: ff3addb941914000
[   50.757216] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.757294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.757363] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.757439] PKRU: 55555554
[   50.757487] Call Trace:
[   50.757534]  <TASK>
[   50.757582]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.757645] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.757708]  notifier_call_chain (kernel/notifier.c:85)
[   50.757765]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.757827]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.757886]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.757949]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.758006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.758062]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.758119]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.758187]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.758244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.758301]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.758358]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.758415]  ___sys_sendmsg (net/socket.c:2752)
[   50.758473]  __sys_sendmsg (net/socket.c:2784)
[   50.758529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.758586]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.758649] RIP: 0033:0x7f3e2a9e308e
[   50.758704] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.758838] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.758915] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.759000] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.759075] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.759156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.759231] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.759509] ------------[ cut here ]------------
| [   50.759571] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.759654] Modules linked in: ipvtap ipvlan
| [   50.759806] Tainted: [W]=WARN
[   50.759861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.759947] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.760013] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.760137] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.760209] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.760287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.760363] RBP: 0000000000000000 R08: ff3addb9444f5090 R09: ff3addb947744830
[   50.760440] R10: ff3addb9476f6120 R11: fefefefefefefeff R12: 0000000000000000
[   50.760516] R13: 0000000000000011 R14: ff3addb9476f6000 R15: ff3addb941914000
[   50.760593] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.760670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.760737] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.760815] PKRU: 55555554
[   50.760863] Call Trace:
[   50.760910]  <TASK>
[   50.760964]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.761027] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.761090]  notifier_call_chain (kernel/notifier.c:85)
[   50.761152]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.761216]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.761275]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.761331]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.761388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.761445]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.761501]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.761564]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.761626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.761682]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.761739]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.761796]  ___sys_sendmsg (net/socket.c:2752)
[   50.761853]  __sys_sendmsg (net/socket.c:2784)
[   50.761909]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.761973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.762035] RIP: 0033:0x7f3e2a9e308e
[   50.762091] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.762225] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.762302] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.762376] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.762451] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.762524] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.762598] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.762885] ------------[ cut here ]------------
| [   50.762954] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.763038] Modules linked in: ipvtap ipvlan
| [   50.763199] Tainted: [W]=WARN
[   50.763253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.763321] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.763384] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.763510] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.763573] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.763647] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.763722] RBP: 0000000000000000 R08: ff3addb94194bfd0 R09: ff3addb947735830
[   50.763798] R10: ff3addb947718120 R11: fefefefefefefeff R12: 0000000000000000
[   50.763874] R13: 0000000000000011 R14: ff3addb947718000 R15: ff3addb941914000
[   50.763966] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.764048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.764117] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.764200] PKRU: 55555554
[   50.764247] Call Trace:
[   50.764295]  <TASK>
[   50.764343]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.764409] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.764473]  notifier_call_chain (kernel/notifier.c:85)
[   50.764530]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.764593]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.764651]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.764708]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.764765]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.764821]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.764879]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.764949]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.765008]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.765064]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.765121]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.765184]  ___sys_sendmsg (net/socket.c:2752)
[   50.765243]  __sys_sendmsg (net/socket.c:2784)
[   50.765299]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.765356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.765419] RIP: 0033:0x7f3e2a9e308e
[   50.765475] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.765606] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.765683] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.765757] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.765831] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.765907] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.765994] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.766283] ------------[ cut here ]------------
| [   50.766346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.766431] Modules linked in: ipvtap ipvlan
| [   50.766584] Tainted: [W]=WARN
[   50.766638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.766707] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.766769] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.766898] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.766969] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.767044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.767119] RBP: 0000000000000000 R08: ff3addb94191b290 R09: ff3addb9476f8030
[   50.767199] R10: ff3addb9476f4120 R11: fefefefefefefeff R12: 0000000000000000
[   50.767273] R13: 0000000000000011 R14: ff3addb9476f4000 R15: ff3addb941914000
[   50.767350] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.767429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.767496] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.767572] PKRU: 55555554
[   50.767619] Call Trace:
[   50.767667]  <TASK>
[   50.767715]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.767779] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.767843]  notifier_call_chain (kernel/notifier.c:85)
[   50.767900]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.767982]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.768047]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.768104]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.768168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.768225]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.768281]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.768345]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.768408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.768465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.768521]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.768578]  ___sys_sendmsg (net/socket.c:2752)
[   50.768636]  __sys_sendmsg (net/socket.c:2784)
[   50.768693]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.768750]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.768813] RIP: 0033:0x7f3e2a9e308e
[   50.768869] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.769005] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.769082] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.769163] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.769238] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.769312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.769386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.769665] ------------[ cut here ]------------
| [   50.769726] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.769811] Modules linked in: ipvtap ipvlan
| [   50.769969] Tainted: [W]=WARN
[   50.770023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.770092] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.770161] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.770289] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.770352] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.770426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.770501] RBP: 0000000000000000 R08: ff3addb94191ba50 R09: ff3addb94a11e830
[   50.770576] R10: ff3addb94a102120 R11: fefefefefefefeff R12: 0000000000000000
[   50.770652] R13: 0000000000000011 R14: ff3addb94a102000 R15: ff3addb941914000
[   50.770732] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.770809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.770876] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.770962] PKRU: 55555554
[   50.771010] Call Trace:
[   50.771058]  <TASK>
[   50.771106]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.771178] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.771242]  notifier_call_chain (kernel/notifier.c:85)
[   50.771299]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.771362]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.771420]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.771477]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.771533]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.771590]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.771646]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.771710]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.771767]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.771824]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.771881]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.771953]  ___sys_sendmsg (net/socket.c:2752)
[   50.772011]  __sys_sendmsg (net/socket.c:2784)
[   50.772068]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.772125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.772193] RIP: 0033:0x7f3e2a9e308e
[   50.772249] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.772378] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.772456] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.772531] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.772608] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.772682] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.772758] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.773037] ------------[ cut here ]------------
| [   50.773099] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.773184] Modules linked in: ipvtap ipvlan
| [   50.773336] Tainted: [W]=WARN
[   50.773391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.773458] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.773520] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.773646] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.773708] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.773783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.773857] RBP: 0000000000000000 R08: ff3addb944538d90 R09: ff3addb94a19d830
[   50.773939] R10: ff3addb9476f2120 R11: fefefefefefefeff R12: 0000000000000000
[   50.774017] R13: 0000000000000011 R14: ff3addb9476f2000 R15: ff3addb941914000
[   50.774095] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.774177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.774246] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.774323] PKRU: 55555554
[   50.774370] Call Trace:
[   50.774418]  <TASK>
[   50.774466]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.774529] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.774593]  notifier_call_chain (kernel/notifier.c:85)
[   50.774650]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.774713]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.774771]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.774828]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.774885]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.774948]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.775005]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.775069]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.775127]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.775187]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.775245]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.775301]  ___sys_sendmsg (net/socket.c:2752)
[   50.775359]  __sys_sendmsg (net/socket.c:2784)
[   50.775415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.775473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.775535] RIP: 0033:0x7f3e2a9e308e
[   50.775590] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.775718] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.775793] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.775867] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.775949] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.776024] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.776099] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.776385] ------------[ cut here ]------------
| [   50.776446] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.776530] Modules linked in: ipvtap ipvlan
| [   50.776682] Tainted: [W]=WARN
[   50.776736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.776806] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.776868] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.777017] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.777079] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.777161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.777238] RBP: 0000000000000000 R08: ff3addb941229bd0 R09: ff3addb94a194030
[   50.777312] R10: ff3addb94a17a120 R11: fefefefefefefeff R12: 0000000000000000
[   50.777387] R13: 0000000000000011 R14: ff3addb94a17a000 R15: ff3addb941914000
[   50.777465] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.777541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.777609] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.777686] PKRU: 55555554
[   50.777734] Call Trace:
[   50.777782]  <TASK>
[   50.777830]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.777893] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.777963]  notifier_call_chain (kernel/notifier.c:85)
[   50.778020]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.778083]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.778142]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.778205]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.778261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.778319]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.778375]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.778438]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.778495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.778552]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.778609]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.778666]  ___sys_sendmsg (net/socket.c:2752)
[   50.778724]  __sys_sendmsg (net/socket.c:2784)
[   50.778780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.778837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.778899] RIP: 0033:0x7f3e2a9e308e
[   50.778962] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.779089] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.779170] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.779246] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.779320] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.779396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.779472] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.779750] ------------[ cut here ]------------
| [   50.779812] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.779897] Modules linked in: ipvtap ipvlan
| [   50.780060] Tainted: [W]=WARN
[   50.780114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.780193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.780256] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.780385] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.780447] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.780522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.780596] RBP: 0000000000000000 R08: ff3addb94a2436d0 R09: ff3addb94a2cf030
[   50.780672] R10: ff3addb9476f0120 R11: fefefefefefefeff R12: 0000000000000000
[   50.780748] R13: 0000000000000011 R14: ff3addb9476f0000 R15: ff3addb941914000
[   50.780827] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.780903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.780980] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.781059] PKRU: 55555554
[   50.781106] Call Trace:
[   50.781160]  <TASK>
[   50.781208]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.781271] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.781335]  notifier_call_chain (kernel/notifier.c:85)
[   50.781393]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.781455]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.781514]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.781570]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.781627]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.781684]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.781741]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.781805]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.781862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.781927]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.781984]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.782041]  ___sys_sendmsg (net/socket.c:2752)
[   50.782098]  __sys_sendmsg (net/socket.c:2784)
[   50.782160]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.782218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.782280] RIP: 0033:0x7f3e2a9e308e
[   50.782336] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.782464] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.782539] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.782613] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.782688] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.782762] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.782837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.783129] ------------[ cut here ]------------
| [   50.783192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.783276] Modules linked in: ipvtap ipvlan
| [   50.783431] Tainted: [W]=WARN
[   50.783486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.783554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.783616] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.783746] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.783808] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.783883] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.783968] RBP: 0000000000000000 R08: ff3addb94a3398d0 R09: ff3addb94a3de830
[   50.784042] R10: ff3addb94a3cc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.784117] R13: 0000000000000011 R14: ff3addb94a3cc000 R15: ff3addb941914000
[   50.784202] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.784280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.784348] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.784427] PKRU: 55555554
[   50.784475] Call Trace:
[   50.784523]  <TASK>
[   50.784570]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.784634] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.784697]  notifier_call_chain (kernel/notifier.c:85)
[   50.784754]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.784816]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.784875]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.784938]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.784994]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.785051]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.785108]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.785177]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.785235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.785292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.785349]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.785407]  ___sys_sendmsg (net/socket.c:2752)
[   50.785465]  __sys_sendmsg (net/socket.c:2784)
[   50.785521]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.785578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.785641] RIP: 0033:0x7f3e2a9e308e
[   50.785697] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.785824] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.785900] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.785991] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.786072] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.786156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.786232] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.786516] ------------[ cut here ]------------
| [   50.786579] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.786662] Modules linked in: ipvtap ipvlan
| [   50.786814] Tainted: [W]=WARN
[   50.786868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.786945] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.787008] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.787136] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.787201] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.787280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.787356] RBP: 0000000000000000 R08: ff3addb943173610 R09: ff3addb94a394830
[   50.787430] R10: ff3addb94a444120 R11: fefefefefefefeff R12: 0000000000000000
[   50.787504] R13: 0000000000000011 R14: ff3addb94a444000 R15: ff3addb941914000
[   50.787581] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.787657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.787725] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.787802] PKRU: 55555554
[   50.787849] Call Trace:
[   50.787897]  <TASK>
[   50.787953]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.788017] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.788080]  notifier_call_chain (kernel/notifier.c:85)
[   50.788137]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.788202]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.788260]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.788317]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.788374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.788431]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.788488]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.788551]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.788607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.788664]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.788720]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.788777]  ___sys_sendmsg (net/socket.c:2752)
[   50.788834]  __sys_sendmsg (net/socket.c:2784)
[   50.788890]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.788952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.789015] RIP: 0033:0x7f3e2a9e308e
[   50.789070] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.789206] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.789280] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.789354] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.789431] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.789507] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.789582] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.789853] ------------[ cut here ]------------
| [   50.789914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.790007] Modules linked in: ipvtap ipvlan
| [   50.790164] Tainted: [W]=WARN
[   50.790218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.790287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.790348] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.790479] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.790541] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.790616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.790690] RBP: 0000000000000000 R08: ff3addb943193390 R09: ff3addb947712030
[   50.790764] R10: ff3addb94a296120 R11: fefefefefefefeff R12: 0000000000000000
[   50.790838] R13: 0000000000000011 R14: ff3addb94a296000 R15: ff3addb941914000
[   50.790917] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.791010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.791079] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.791162] PKRU: 55555554
[   50.791210] Call Trace:
[   50.791258]  <TASK>
[   50.791306]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.791370] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.791433]  notifier_call_chain (kernel/notifier.c:85)
[   50.791489]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.791552]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.791609]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.791666]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.791722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.791778]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.791835]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.791898]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.791962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.792019]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.792075]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.792132]  ___sys_sendmsg (net/socket.c:2752)
[   50.792193]  __sys_sendmsg (net/socket.c:2784)
[   50.792250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.792307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.792370] RIP: 0033:0x7f3e2a9e308e
[   50.792426] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.792550] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.792626] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.792700] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.792775] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.792850] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.792932] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.793216] ------------[ cut here ]------------
| [   50.793278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.793361] Modules linked in: ipvtap ipvlan
| [   50.793513] Tainted: [W]=WARN
[   50.793567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.793635] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.793697] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.793827] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.793890] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.793977] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.794054] RBP: 0000000000000000 R08: ff3addb94a4c4550 R09: ff3addb94a60a830
[   50.794128] R10: ff3addb94a616120 R11: fefefefefefefeff R12: 0000000000000000
[   50.794207] R13: 0000000000000011 R14: ff3addb94a616000 R15: ff3addb941914000
[   50.794284] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.794361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.794429] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.794506] PKRU: 55555554
[   50.794553] Call Trace:
[   50.794601]  <TASK>
[   50.794648]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.794711] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.794776]  notifier_call_chain (kernel/notifier.c:85)
[   50.794833]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.794895]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.794974]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.795032]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.795088]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.795152]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.795209]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.795273]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.795334]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.795390]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.795447]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.795504]  ___sys_sendmsg (net/socket.c:2752)
[   50.795561]  __sys_sendmsg (net/socket.c:2784)
[   50.795618]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.795674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.795736] RIP: 0033:0x7f3e2a9e308e
[   50.795792] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.795926] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.796002] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.796075] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.796155] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.796231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.796305] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.796578] ------------[ cut here ]------------
| [   50.796639] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.796722] Modules linked in: ipvtap ipvlan
| [   50.796872] Tainted: [W]=WARN
[   50.796934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.797001] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.797064] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.797200] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.797261] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.797336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.797413] RBP: 0000000000000000 R08: ff3addb94a413250 R09: ff3addb94a608830
[   50.797489] R10: ff3addb94a614120 R11: fefefefefefefeff R12: 0000000000000000
[   50.797562] R13: 0000000000000011 R14: ff3addb94a614000 R15: ff3addb941914000
[   50.797639] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.797715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.797781] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.797857] PKRU: 55555554
[   50.797904] Call Trace:
[   50.797957]  <TASK>
[   50.798005]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.798067] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.798130]  notifier_call_chain (kernel/notifier.c:85)
[   50.798192]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.798255]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.798313]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.798369]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.798425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.798482]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.798538]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.798600]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.798657]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.798714]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.798771]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.798827]  ___sys_sendmsg (net/socket.c:2752)
[   50.798884]  __sys_sendmsg (net/socket.c:2784)
[   50.798955]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.799018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.799081] RIP: 0033:0x7f3e2a9e308e
[   50.799136] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.799266] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.799340] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.799416] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.799490] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.799565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.799641] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.799914] ------------[ cut here ]------------
| [   50.799985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.800069] Modules linked in: ipvtap ipvlan
| [   50.800229] Tainted: [W]=WARN
[   50.800283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.800351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.800413] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.800538] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.800600] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.800674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.800748] RBP: 0000000000000000 R08: ff3addb943369490 R09: ff3addb94a776830
[   50.800821] R10: ff3addb94a754120 R11: fefefefefefefeff R12: 0000000000000000
[   50.800895] R13: 0000000000000011 R14: ff3addb94a754000 R15: ff3addb941914000
[   50.800978] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.801054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.801121] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.801205] PKRU: 55555554
[   50.801252] Call Trace:
[   50.801300]  <TASK>
[   50.801347]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.801409] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.801472]  notifier_call_chain (kernel/notifier.c:85)
[   50.801528]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.801590]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.801648]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.801705]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.801761]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.801817]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.801874]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.801944]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.802001]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.802058]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.802114]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.802177]  ___sys_sendmsg (net/socket.c:2752)
[   50.802234]  __sys_sendmsg (net/socket.c:2784)
[   50.802290]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.802346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.802409] RIP: 0033:0x7f3e2a9e308e
[   50.802464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.802590] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.802664] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.802739] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.802814] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.802888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.802967] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.803243] ------------[ cut here ]------------
| [   50.803305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.803387] Modules linked in: ipvtap ipvlan
| [   50.803535] Tainted: [W]=WARN
[   50.803589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.803656] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.803718] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.803845] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.803907] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.804001] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.804076] RBP: 0000000000000000 R08: ff3addb94194e690 R09: ff3addb94a39a830
[   50.804157] R10: ff3addb94a4fc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.804233] R13: 0000000000000011 R14: ff3addb94a4fc000 R15: ff3addb941914000
[   50.804309] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.804385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.804453] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.804529] PKRU: 55555554
[   50.804576] Call Trace:
[   50.804623]  <TASK>
[   50.804671]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.804734] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.804797]  notifier_call_chain (kernel/notifier.c:85)
[   50.804853]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.804916]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.804982]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.805038]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.805093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.805155]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.805212]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.805275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.805331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.805387]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.805443]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.805500]  ___sys_sendmsg (net/socket.c:2752)
[   50.805556]  __sys_sendmsg (net/socket.c:2784)
[   50.805612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.805669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.805730] RIP: 0033:0x7f3e2a9e308e
[   50.805786] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.805910] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.805992] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.806066] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.806139] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.806220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.806293] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.806569] ------------[ cut here ]------------
| [   50.806631] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.806713] Modules linked in: ipvtap ipvlan
| [   50.806866] Tainted: [W]=WARN
[   50.806928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.806995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.807057] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.807191] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.807252] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.807327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.807402] RBP: 0000000000000000 R08: ff3addb94a7389d0 R09: ff3addb94ad6b030
[   50.807475] R10: ff3addb94ad76120 R11: fefefefefefefeff R12: 0000000000000000
[   50.807552] R13: 0000000000000011 R14: ff3addb94ad76000 R15: ff3addb941914000
[   50.807628] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.807703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.807772] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.807850] PKRU: 55555554
[   50.807897] Call Trace:
[   50.807952]  <TASK>
[   50.808001]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.808063] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.808126]  notifier_call_chain (kernel/notifier.c:85)
[   50.808185]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.808247]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.808305]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.808361]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.808418]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.808474]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.808530]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.808593]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.808649]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.808705]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.808761]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.808818]  ___sys_sendmsg (net/socket.c:2752)
[   50.808875]  __sys_sendmsg (net/socket.c:2784)
[   50.808943]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.809000]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.809062] RIP: 0033:0x7f3e2a9e308e
[   50.809117] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.809252] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.809326] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.809403] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.809476] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.809550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.809624] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.809899] ------------[ cut here ]------------
| [   50.809969] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.810051] Modules linked in: ipvtap ipvlan
| [   50.810207] Tainted: [W]=WARN
[   50.810261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.810329] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.810391] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.810518] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.810578] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.810651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.810725] RBP: 0000000000000000 R08: ff3addb94ac52890 R09: ff3addb94a391030
[   50.810798] R10: ff3addb94a4fa120 R11: fefefefefefefeff R12: 0000000000000000
[   50.810873] R13: 0000000000000011 R14: ff3addb94a4fa000 R15: ff3addb941914000
[   50.810955] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.811032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.811100] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.811178] PKRU: 55555554
[   50.811226] Call Trace:
[   50.811273]  <TASK>
[   50.811321]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.811384] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.811447]  notifier_call_chain (kernel/notifier.c:85)
[   50.811504]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.811566]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.811623]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.811680]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.811736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.811792]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.811848]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.811911]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.811975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.812031]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.812088]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.812151]  ___sys_sendmsg (net/socket.c:2752)
[   50.812208]  __sys_sendmsg (net/socket.c:2784)
[   50.812264]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.812321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.812383] RIP: 0033:0x7f3e2a9e308e
[   50.812438] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.812564] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.812638] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.812712] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.812786] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.812860] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.812940] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.813216] ------------[ cut here ]------------
| [   50.813278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.813361] Modules linked in: ipvtap ipvlan
| [   50.813514] Tainted: [W]=WARN
[   50.813567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.813637] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.813699] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.813831] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.813893] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.813976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.814050] RBP: 0000000000000000 R08: ff3addb94a339490 R09: ff3addb94ae08830
[   50.814125] R10: ff3addb94adea120 R11: fefefefefefefeff R12: 0000000000000000
[   50.814206] R13: 0000000000000011 R14: ff3addb94adea000 R15: ff3addb941914000
[   50.814284] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.814361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.814430] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.814505] PKRU: 55555554
[   50.814552] Call Trace:
[   50.814599]  <TASK>
[   50.814647]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.814710] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.814773]  notifier_call_chain (kernel/notifier.c:85)
[   50.814829]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.814891]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.814954]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.815010]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.815067]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.815123]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.815183]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.815247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.815303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.815360]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.815416]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.815473]  ___sys_sendmsg (net/socket.c:2752)
[   50.815530]  __sys_sendmsg (net/socket.c:2784)
[   50.815585]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.815642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.815703] RIP: 0033:0x7f3e2a9e308e
[   50.815758] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.815884] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.815966] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.816040] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.816114] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.816191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.816265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.816539] ------------[ cut here ]------------
| [   50.816599] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.816682] Modules linked in: ipvtap ipvlan
| [   50.816832] Tainted: [W]=WARN
[   50.816886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.816960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.817024] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.817159] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.817223] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.817297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.817371] RBP: 0000000000000000 R08: ff3addb94af021d0 R09: ff3addb94a6be830
[   50.817444] R10: ff3addb94af62120 R11: fefefefefefefeff R12: 0000000000000000
[   50.817520] R13: 0000000000000011 R14: ff3addb94af62000 R15: ff3addb941914000
[   50.817597] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.817672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.817739] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.817814] PKRU: 55555554
[   50.817861] Call Trace:
[   50.817909]  <TASK>
[   50.817975]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.818044] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.818107]  notifier_call_chain (kernel/notifier.c:85)
[   50.818169]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.818232]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.818291]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.818347]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.818404]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.818461]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.818517]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.818579]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.818640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.818696]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.818753]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.818809]  ___sys_sendmsg (net/socket.c:2752)
[   50.818866]  __sys_sendmsg (net/socket.c:2784)
[   50.818929]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.818985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.819048] RIP: 0033:0x7f3e2a9e308e
[   50.819103] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.819238] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.819314] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.819388] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.819462] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.819537] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.819611] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.819889] ------------[ cut here ]------------
| [   50.819955] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.820038] Modules linked in: ipvtap ipvlan
| [   50.820192] Tainted: [W]=WARN
[   50.820246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.820313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.820375] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.820507] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.820570] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.820644] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.820718] RBP: 0000000000000000 R08: ff3addb94af02590 R09: ff3addb94a6c3030
[   50.820792] R10: ff3addb94a3a8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.820868] R13: 0000000000000011 R14: ff3addb94a3a8000 R15: ff3addb941914000
[   50.820952] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.821028] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.821094] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.821175] PKRU: 55555554
[   50.821223] Call Trace:
[   50.821271]  <TASK>
[   50.821319]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.821381] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.821444]  notifier_call_chain (kernel/notifier.c:85)
[   50.821501]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.821563]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.821621]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.821677]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.821733]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.821790]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.821846]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.821909]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.821986]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.822043]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.822099]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.822161]  ___sys_sendmsg (net/socket.c:2752)
[   50.822218]  __sys_sendmsg (net/socket.c:2784)
[   50.822274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.822330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.822392] RIP: 0033:0x7f3e2a9e308e
[   50.822447] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.822574] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.822650] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.822723] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.822796] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.822870] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.822951] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.823235] ------------[ cut here ]------------
| [   50.823297] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.823379] Modules linked in: ipvtap ipvlan
| [   50.823529] Tainted: [W]=WARN
[   50.823584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.823652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.823713] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.823838] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.823900] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.823982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.824057] RBP: 0000000000000000 R08: ff3addb94ae7b510 R09: ff3addb94b0bb030
[   50.824131] R10: ff3addb94b00c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.824213] R13: 0000000000000011 R14: ff3addb94b00c000 R15: ff3addb941914000
[   50.824290] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.824367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.824434] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.824509] PKRU: 55555554
[   50.824556] Call Trace:
[   50.824603]  <TASK>
[   50.824651]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.824714] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.824776]  notifier_call_chain (kernel/notifier.c:85)
[   50.824832]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.824895]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.824962]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.825018]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.825075]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.825130]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.825192]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.825257]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.825314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.825370]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.825427]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.825483]  ___sys_sendmsg (net/socket.c:2752)
[   50.825541]  __sys_sendmsg (net/socket.c:2784)
[   50.825597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.825653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.825716] RIP: 0033:0x7f3e2a9e308e
[   50.825771] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.825899] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.825991] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.826072] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.826158] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.826235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.826312] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.826581] ------------[ cut here ]------------
| [   50.826643] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.826726] Modules linked in: ipvtap ipvlan
| [   50.826878] Tainted: [W]=WARN
[   50.826939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.827007] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.827070] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.827205] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.827266] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.827339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.827416] RBP: 0000000000000000 R08: ff3addb94af3d750 R09: ff3addb94b15f030
[   50.827489] R10: ff3addb94b0cc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.827564] R13: 0000000000000011 R14: ff3addb94b0cc000 R15: ff3addb941914000
[   50.827642] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.827717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.827784] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.827860] PKRU: 55555554
[   50.827907] Call Trace:
[   50.827963]  <TASK>
[   50.828010]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.828073] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.828136]  notifier_call_chain (kernel/notifier.c:85)
[   50.828195]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.828257]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.828315]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.828372]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.828428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.828484]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.828540]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.828603]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.828660]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.828716]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.828772]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.828829]  ___sys_sendmsg (net/socket.c:2752)
[   50.828885]  __sys_sendmsg (net/socket.c:2784)
[   50.828948]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.829004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.829065] RIP: 0033:0x7f3e2a9e308e
[   50.829121] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.829253] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.829327] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.829403] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.829477] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.829550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.829623] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.829895] ------------[ cut here ]------------
| [   50.829965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.830047] Modules linked in: ipvtap ipvlan
| [   50.830206] Tainted: [W]=WARN
[   50.830260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.830327] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.830389] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.830518] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.830579] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.830653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.830727] RBP: 0000000000000000 R08: ff3addb94af02b90 R09: ff3addb94b217030
[   50.830801] R10: ff3addb94b174120 R11: fefefefefefefeff R12: 0000000000000000
[   50.830874] R13: 0000000000000011 R14: ff3addb94b174000 R15: ff3addb941914000
[   50.830955] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.831032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.831100] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.831179] PKRU: 55555554
[   50.831227] Call Trace:
[   50.831274]  <TASK>
[   50.831322]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.831385] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.831448]  notifier_call_chain (kernel/notifier.c:85)
[   50.831504]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.831567]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.831624]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.831681]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.831737]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.831793]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.831850]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.831911]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.831985]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.832042]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.832098]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.832160]  ___sys_sendmsg (net/socket.c:2752)
[   50.832217]  __sys_sendmsg (net/socket.c:2784)
[   50.832273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.832329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.832392] RIP: 0033:0x7f3e2a9e308e
[   50.832447] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.832573] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.832648] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.832725] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.832799] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.832875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.832953] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.833231] ------------[ cut here ]------------
| [   50.833292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.833374] Modules linked in: ipvtap ipvlan
| [   50.833525] Tainted: [W]=WARN
[   50.833579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.833646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.833709] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.833834] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.833896] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.833981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.834056] RBP: 0000000000000000 R08: ff3addb94af3dad0 R09: ff3addb94b30f030
[   50.834131] R10: ff3addb94b22c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.834210] R13: 0000000000000011 R14: ff3addb94b22c000 R15: ff3addb941914000
[   50.834288] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.834365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.834433] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.834509] PKRU: 55555554
[   50.834556] Call Trace:
[   50.834604]  <TASK>
[   50.834652]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.834715] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.834778]  notifier_call_chain (kernel/notifier.c:85)
[   50.834835]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.834898]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.834963]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.835020]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.835076]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.835132]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.835193]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.835256]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.835312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.835369]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.835425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.835482]  ___sys_sendmsg (net/socket.c:2752)
[   50.835539]  __sys_sendmsg (net/socket.c:2784)
[   50.835595]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.835651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.835713] RIP: 0033:0x7f3e2a9e308e
[   50.835768] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.835896] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.835991] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.836065] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.836140] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.836219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.836295] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.836569] ------------[ cut here ]------------
| [   50.836631] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.836714] Modules linked in: ipvtap ipvlan
| [   50.836869] Tainted: [W]=WARN
[   50.836931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.836999] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.837061] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.837197] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.837259] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.837334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.837410] RBP: 0000000000000000 R08: ff3addb94b374350 R09: ff3addb94b801030
[   50.837486] R10: ff3addb94b324120 R11: fefefefefefefeff R12: 0000000000000000
[   50.837560] R13: 0000000000000011 R14: ff3addb94b324000 R15: ff3addb941914000
[   50.837638] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.837714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.837782] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.837858] PKRU: 55555554
[   50.837906] Call Trace:
[   50.837963]  <TASK>
[   50.838012]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.838075] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.838138]  notifier_call_chain (kernel/notifier.c:85)
[   50.838200]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.838263]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.838321]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.838378]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.838434]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.838491]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.838547]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.838609]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.838666]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.838722]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.838779]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.838836]  ___sys_sendmsg (net/socket.c:2752)
[   50.838893]  __sys_sendmsg (net/socket.c:2784)
[   50.838953]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.839010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.839073] RIP: 0033:0x7f3e2a9e308e
[   50.839129] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.839263] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.839340] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.839414] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.839490] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.839564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.839638] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.839909] ------------[ cut here ]------------
| [   50.839981] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.840063] Modules linked in: ipvtap ipvlan
| [   50.840219] Tainted: [W]=WARN
[   50.840273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.840340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.840402] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.840531] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.840593] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.840668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.840741] RBP: 0000000000000000 R08: ff3addb94b3aa590 R09: ff3addb94b8f9030
[   50.840816] R10: ff3addb94b81c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.840890] R13: 0000000000000011 R14: ff3addb94b81c000 R15: ff3addb941914000
[   50.840990] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.841075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.841143] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.841226] PKRU: 55555554
[   50.841274] Call Trace:
[   50.841321]  <TASK>
[   50.841369]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.841433] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.841496]  notifier_call_chain (kernel/notifier.c:85)
[   50.841552]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.841615]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.841673]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.841729]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.841785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.841842]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.841899]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.841967]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.842028]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.842084]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.842140]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.842204]  ___sys_sendmsg (net/socket.c:2752)
[   50.842261]  __sys_sendmsg (net/socket.c:2784)
[   50.842318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.842375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.842436] RIP: 0033:0x7f3e2a9e308e
[   50.842491] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.842619] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.842694] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.842768] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.842843] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.842926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.843000] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.843283] ------------[ cut here ]------------
| [   50.843345] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.843428] Modules linked in: ipvtap ipvlan
| [   50.843581] Tainted: [W]=WARN
[   50.843635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.843702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.843764] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.843895] RSP: 0018:ff75ca83c0c875e8 EFLAGS: 00010286
[   50.843964] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.844038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.844113] RBP: 0000000000000000 R08: ff3addb94b833e90 R09: ff3addb94b9a7830
[   50.844191] R10: ff3addb94b1f6120 R11: fefefefefefefeff R12: 0000000000000000
[   50.844264] R13: 0000000000000011 R14: ff3addb94b1f6000 R15: ff3addb941914000
[   50.844342] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.844418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.844485] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.844564] PKRU: 55555554
[   50.844611] Call Trace:
[   50.844658]  <TASK>
[   50.844707]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.844769] ipvlan_device_event (drivers/net/ipvlan/ipvlan_main.c:770) ipvlan
[   50.844833]  notifier_call_chain (kernel/notifier.c:85)
[   50.844889]  unregister_netdevice_many_notify (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:12436)
[   50.844972]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.845030]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.845087]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.845143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.845207]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.845263]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.845327]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.845390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.845446]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.845503]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.845560]  ___sys_sendmsg (net/socket.c:2752)
[   50.845617]  __sys_sendmsg (net/socket.c:2784)
[   50.845673]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.845729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.845791] RIP: 0033:0x7f3e2a9e308e
[   50.845846] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.845981] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.846055] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.846130] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.846213] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.846290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.846366] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.846606] ------------[ cut here ]------------
| [   50.846669] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.846752] Modules linked in: ipvtap ipvlan
| [   50.846904] Tainted: [W]=WARN
[   50.846968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.847036] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.847098] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.847231] RSP: 0018:ff75ca83c0c876e0 EFLAGS: 00010286
[   50.847293] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.847368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.847444] RBP: 0000000000000000 R08: ff3addb94194bd10 R09: ff3addb94b9a7834
[   50.847518] R10: ff3addb941180120 R11: fefefefefefefeff R12: 0000000000000000
[   50.847594] R13: 0000000000000011 R14: ff3addb941180000 R15: ff3addb941914000
[   50.847674] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.847751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.847819] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.847895] PKRU: 55555554
[   50.847949] Call Trace:
[   50.847997]  <TASK>
[   50.848044]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.848107]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.848171]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.848228]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.848285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.848341]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.848398]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.848460]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.848517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.848573]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.848630]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.848686]  ___sys_sendmsg (net/socket.c:2752)
[   50.848746]  __sys_sendmsg (net/socket.c:2784)
[   50.848802]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.848859]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.848931] RIP: 0033:0x7f3e2a9e308e
[   50.848987] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.849116] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.849199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.849273] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.849349] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.849424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.849501] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.849769] ------------[ cut here ]------------
| [   50.849831] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/3120
| [   50.849914] Modules linked in: ipvtap ipvlan
| [   50.850074] Tainted: [W]=WARN
[   50.850128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.850198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.850260] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.850387] RSP: 0018:ff75ca83c0c876e0 EFLAGS: 00010286
[   50.850449] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.850524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941914000
[   50.850601] RBP: 0000000000000000 R08: ff3addb944540910 R09: ff3addb9446d5834
[   50.850675] R10: ff3addb9430af120 R11: fefefefefefefeff R12: 0000000000000000
[   50.850750] R13: 0000000000000011 R14: ff3addb9430af000 R15: ff3addb941914000
[   50.850829] FS:  00007f3e2a7a9840(0000) GS:ff3addb9d1148000(0000) knlGS:0000000000000000
[   50.850905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.850983] CR2: 00000000321f6988 CR3: 000000001285b001 CR4: 0000000000771ef0
[   50.851060] PKRU: 55555554
[   50.851107] Call Trace:
[   50.851160]  <TASK>
[   50.851209]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.851271]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   50.851330]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.851386]  ? rtnl_dellinkprop (net/core/rtnetlink.c:4408)
[   50.851442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.851498]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.851555]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.851618]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.851675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.851731]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.851795]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.851850]  ___sys_sendmsg (net/socket.c:2752)
[   50.851907]  __sys_sendmsg (net/socket.c:2784)
[   50.851971]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.852028]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.852090] RIP: 0033:0x7f3e2a9e308e
[   50.852152] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.852281] RSP: 002b:00007fff842b0b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.852357] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3e2a9e308e
[   50.852433] RDX: 0000000000000000 RSI: 00007fff842b0c10 RDI: 0000000000000005
[   50.852508] RBP: 00007fff842b0b70 R08: 0000000000000000 R09: 0000000000000000
[   50.852582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd3e
[   50.852656] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff842b12d0
| [   50.866052] ------------[ cut here ]------------
| [   50.866086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.866152] Modules linked in: ipvtap ipvlan
| [   50.866243] Tainted: [W]=WARN
[   50.866264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.866295] Workqueue: netns cleanup_net
[   50.866318] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.866345] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.866437] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.866463] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.866496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.866542] RBP: 0000000000000000 R08: ff3addb943389490 R09: ff3addb94668f030
[   50.866582] R10: ff3addb946685120 R11: fefefefefefefeff R12: 0000000000000000
[   50.866625] R13: 0000000000000011 R14: ff3addb946685000 R15: ff3addb941913000
[   50.866671] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.866711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.866743] CR2: 00007f4cb4c76574 CR3: 0000000009647005 CR4: 0000000000771ef0
[   50.866777] PKRU: 55555554
[   50.866791] Call Trace:
[   50.866805]  <TASK>
[   50.866820]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.866844]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.866866]  cleanup_net (net/core/net_namespace.c:702)
[   50.866894]  process_one_work (kernel/workqueue.c:3314)
[   50.866925]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.866946]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.866964]  kthread (kernel/kthread.c:436)
[   50.866990]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.867011]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.867030]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.867054]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.867174] ------------[ cut here ]------------
| [   50.867206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.867251] Modules linked in: ipvtap ipvlan
| [   50.867340] Tainted: [W]=WARN
[   50.867361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.867396] Workqueue: netns cleanup_net
[   50.867417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.867446] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.867546] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.867573] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.867615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.867658] RBP: 0000000000000000 R08: ff3addb9445404d0 R09: ff3addb94667e030
[   50.867701] R10: ff3addb946680120 R11: fefefefefefefeff R12: 0000000000000000
[   50.867741] R13: 0000000000000011 R14: ff3addb946680000 R15: ff3addb941913000
[   50.867785] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.867826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.867859] CR2: 00007f4cb4c76574 CR3: 0000000009647005 CR4: 0000000000771ef0
[   50.867901] PKRU: 55555554
[   50.867916] Call Trace:
[   50.867934]  <TASK>
[   50.867950]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.867980]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.868001]  cleanup_net (net/core/net_namespace.c:702)
[   50.868019]  process_one_work (kernel/workqueue.c:3314)
[   50.868039]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.868060]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.868079]  kthread (kernel/kthread.c:436)
[   50.868100]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.868121]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.868139]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.868169]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.868272] ------------[ cut here ]------------
| [   50.868303] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.868360] Modules linked in: ipvtap ipvlan
| [   50.868442] Tainted: [W]=WARN
[   50.868460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.868494] Workqueue: netns cleanup_net
[   50.868521] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.868545] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.868639] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.868671] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.868714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.868759] RBP: 0000000000000000 R08: ff3addb9445403d0 R09: ff3addb946689034
[   50.868797] R10: ff3addb946683120 R11: fefefefefefefeff R12: 0000000000000000
[   50.868828] R13: 0000000000000011 R14: ff3addb946683000 R15: ff3addb941913000
[   50.868880] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.868918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.868957] CR2: 00007f4cb4c76574 CR3: 0000000009647005 CR4: 0000000000771ef0
[   50.869004] PKRU: 55555554
[   50.869020] Call Trace:
[   50.869033]  <TASK>
[   50.869052]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.869081]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.869104]  cleanup_net (net/core/net_namespace.c:702)
[   50.869126]  process_one_work (kernel/workqueue.c:3314)
[   50.869151]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.869177]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.869196]  kthread (kernel/kthread.c:436)
[   50.869216]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.869242]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.869263]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.869294]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.869391] ------------[ cut here ]------------
| [   50.869420] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.869481] Modules linked in: ipvtap ipvlan
| [   50.869562] Tainted: [W]=WARN
[   50.869582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.869615] Workqueue: netns cleanup_net
[   50.869637] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.869668] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.869765] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.869788] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.869834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.869882] RBP: 0000000000000000 R08: ff3addb944540290 R09: ff3addb946678830
[   50.869937] R10: ff3addb946674120 R11: fefefefefefefeff R12: 0000000000000000
[   50.869978] R13: 0000000000000011 R14: ff3addb946674000 R15: ff3addb941913000
[   50.870014] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.870060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.870096] CR2: 00007f4cb4c76574 CR3: 0000000009647005 CR4: 0000000000771ef0
[   50.870137] PKRU: 55555554
[   50.870155] Call Trace:
[   50.870169]  <TASK>
[   50.870181]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.870208]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.870230]  cleanup_net (net/core/net_namespace.c:702)
[   50.870248]  process_one_work (kernel/workqueue.c:3314)
[   50.870268]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.870291]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.870309]  kthread (kernel/kthread.c:436)
[   50.870330]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.870349]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.870368]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.870392]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.870487] ------------[ cut here ]------------
| [   50.870520] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.870565] Modules linked in: ipvtap ipvlan
| [   50.870652] Tainted: [W]=WARN
[   50.870674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.870712] Workqueue: netns cleanup_net
[   50.870731] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.870761] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.870858] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.870887] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.870939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.870981] RBP: 0000000000000000 R08: ff3addb944540190 R09: ff3addb94667a830
[   50.871023] R10: ff3addb946675120 R11: fefefefefefefeff R12: 0000000000000000
[   50.871063] R13: 0000000000000011 R14: ff3addb946675000 R15: ff3addb941913000
[   50.871104] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.871153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.871185] CR2: 00007f4cb4c76574 CR3: 0000000009647005 CR4: 0000000000771ef0
[   50.871234] PKRU: 55555554
[   50.871249] Call Trace:
[   50.871263]  <TASK>
[   50.871278]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.871306]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.871331]  cleanup_net (net/core/net_namespace.c:702)
[   50.871353]  process_one_work (kernel/workqueue.c:3314)
[   50.871374]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.871395]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.871414]  kthread (kernel/kthread.c:436)
[   50.871436]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.871459]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.871482]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.871504]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.878956] ------------[ cut here ]------------
| [   50.878982] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.879039] Modules linked in: ipvtap ipvlan
| [   50.879123] Tainted: [W]=WARN
[   50.879142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.879187] Workqueue: netns cleanup_net
[   50.879210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.879242] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.879335] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   50.879364] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.879409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.879451] RBP: 0000000000000000 R08: ff3addb944540090 R09: ff3addb94667502c
[   50.879494] R10: ff3addb946670120 R11: fefefefefefefeff R12: 0000000000000000
[   50.879535] R13: 0000000000000010 R14: ff3addb946670000 R15: ff3addb941913000
[   50.879581] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.879623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.879650] CR2: 00007efc7fb65db0 CR3: 000000000b28a006 CR4: 0000000000771ef0
[   50.879693] PKRU: 55555554
[   50.879707] Call Trace:
[   50.879722]  <TASK>
[   50.879736]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.879755]  netif_close_many (net/core/dev.c:1804)
[   50.879778]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.879807]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.879830]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.879860]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.879882]  cleanup_net (net/core/net_namespace.c:702)
[   50.879904]  process_one_work (kernel/workqueue.c:3314)
[   50.879931]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.879954]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.879978]  kthread (kernel/kthread.c:436)
[   50.880001]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.880022]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.880044]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.880066]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.880313] ------------[ cut here ]------------
| [   50.880340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.880396] Modules linked in: ipvtap ipvlan
| [   50.880490] Tainted: [W]=WARN
[   50.880508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.880544] Workqueue: netns cleanup_net
[   50.880566] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.880594] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.880689] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   50.880719] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.880760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.880803] RBP: 0000000000000000 R08: ff3addb944540090 R09: ff3addb94666802c
[   50.880847] R10: ff3addb946670120 R11: fefefefefefefeff R12: 0000000000000000
[   50.880887] R13: 0000000000000011 R14: ff3addb946670000 R15: ff3addb941913000
[   50.880935] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.880977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.881014] CR2: 000055adb15ea2b8 CR3: 000000000b28a006 CR4: 0000000000771ef0
[   50.881059] PKRU: 55555554
[   50.881072] Call Trace:
[   50.881084]  <TASK>
[   50.881100]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.881130]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.881161]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.881182]  cleanup_net (net/core/net_namespace.c:702)
[   50.881207]  process_one_work (kernel/workqueue.c:3314)
[   50.881230]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.881252]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.881272]  kthread (kernel/kthread.c:436)
[   50.881294]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.881317]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.881339]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.881363]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.907110] ------------[ cut here ]------------
| [   50.907149] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.907212] Modules linked in: ipvtap ipvlan
| [   50.907304] Tainted: [W]=WARN
[   50.907325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.907358] Workqueue: netns cleanup_net
[   50.907378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.907403] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.907501] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.907532] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.907577] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.907627] RBP: 0000000000000000 R08: ff3addb94317a850 R09: ff3addb9467f5830
[   50.907665] R10: ff3addb9467e8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.907703] R13: 0000000000000011 R14: ff3addb9467e8000 R15: ff3addb941913000
[   50.907744] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.907784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.907813] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.907847] PKRU: 55555554
[   50.907863] Call Trace:
[   50.907878]  <TASK>
[   50.907902]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.907934]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.907963]  cleanup_net (net/core/net_namespace.c:702)
[   50.907991]  process_one_work (kernel/workqueue.c:3314)
[   50.908011]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.908032]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.908051]  kthread (kernel/kthread.c:436)
[   50.908070]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.908096]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.908120]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.908142]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.908274] ------------[ cut here ]------------
| [   50.908299] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.908351] Modules linked in: ipvtap ipvlan
| [   50.908428] Tainted: [W]=WARN
[   50.908448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.908486] Workqueue: netns cleanup_net
[   50.908510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.908539] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.908642] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.908668] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.908706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.908750] RBP: 0000000000000000 R08: ff3addb943389650 R09: ff3addb9467e4830
[   50.908791] R10: ff3addb9467eb120 R11: fefefefefefefeff R12: 0000000000000000
[   50.908828] R13: 0000000000000011 R14: ff3addb9467eb000 R15: ff3addb941913000
[   50.908887] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.908941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.908975] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.909021] PKRU: 55555554
[   50.909038] Call Trace:
[   50.909052]  <TASK>
[   50.909069]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.909101]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.909125]  cleanup_net (net/core/net_namespace.c:702)
[   50.909150]  process_one_work (kernel/workqueue.c:3314)
[   50.909174]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.909200]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.909223]  kthread (kernel/kthread.c:436)
[   50.909245]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.909266]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.909288]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.909312]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.909445] ------------[ cut here ]------------
| [   50.909472] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.909531] Modules linked in: ipvtap ipvlan
| [   50.909617] Tainted: [W]=WARN
[   50.909640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.909673] Workqueue: netns cleanup_net
[   50.909695] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.909724] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.909821] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.909852] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.909896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.909952] RBP: 0000000000000000 R08: ff3addb944540d50 R09: ff3addb9467e7834
[   50.909999] R10: ff3addb9467de120 R11: fefefefefefefeff R12: 0000000000000000
[   50.910044] R13: 0000000000000011 R14: ff3addb9467de000 R15: ff3addb941913000
[   50.910085] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.910128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.910168] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.910212] PKRU: 55555554
[   50.910227] Call Trace:
[   50.910241]  <TASK>
[   50.910256]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.910284]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.910304]  cleanup_net (net/core/net_namespace.c:702)
[   50.910327]  process_one_work (kernel/workqueue.c:3314)
[   50.910348]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.910368]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.910389]  kthread (kernel/kthread.c:436)
[   50.910412]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.910433]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.910455]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.910475]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.910589] ------------[ cut here ]------------
| [   50.910611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.910668] Modules linked in: ipvtap ipvlan
| [   50.910750] Tainted: [W]=WARN
[   50.910770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.910804] Workqueue: netns cleanup_net
[   50.910826] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.910855] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.910954] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.910981] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.911023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.911064] RBP: 0000000000000000 R08: ff3addb94194b810 R09: ff3addb9413d5830
[   50.911107] R10: ff3addb9467df120 R11: fefefefefefefeff R12: 0000000000000000
[   50.911151] R13: 0000000000000011 R14: ff3addb9467df000 R15: ff3addb941913000
[   50.911194] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.911238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.911273] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.911312] PKRU: 55555554
[   50.911331] Call Trace:
[   50.911346]  <TASK>
[   50.911360]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.911387]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.911408]  cleanup_net (net/core/net_namespace.c:702)
[   50.911428]  process_one_work (kernel/workqueue.c:3314)
[   50.911448]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.911469]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.911491]  kthread (kernel/kthread.c:436)
[   50.911512]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.911536]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.911554]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.911574]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.911684] ------------[ cut here ]------------
| [   50.911711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.911763] Modules linked in: ipvtap ipvlan
| [   50.911850] Tainted: [W]=WARN
[   50.911872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.911905] Workqueue: netns cleanup_net
[   50.911931] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.911959] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.912054] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.912078] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.912117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.912162] RBP: 0000000000000000 R08: ff3addb94337d250 R09: ff3addb9430a7830
[   50.912203] R10: ff3addb9467d8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.912243] R13: 0000000000000011 R14: ff3addb9467d8000 R15: ff3addb941913000
[   50.912286] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.912326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.912362] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.912402] PKRU: 55555554
[   50.912414] Call Trace:
[   50.912428]  <TASK>
[   50.912443]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.912469]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.912493]  cleanup_net (net/core/net_namespace.c:702)
[   50.912513]  process_one_work (kernel/workqueue.c:3314)
[   50.912535]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.912556]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.912577]  kthread (kernel/kthread.c:436)
[   50.912597]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.912619]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.912639]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.912661]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.912777] ------------[ cut here ]------------
| [   50.912805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.912860] Modules linked in: ipvtap ipvlan
| [   50.912948] Tainted: [W]=WARN
[   50.912969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.912997] Workqueue: netns cleanup_net
[   50.913020] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.913048] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.913141] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.913173] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.913213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.913252] RBP: 0000000000000000 R08: ff3addb943369750 R09: ff3addb9466e3830
[   50.913292] R10: ff3addb9466e9120 R11: fefefefefefefeff R12: 0000000000000000
[   50.913339] R13: 0000000000000011 R14: ff3addb9466e9000 R15: ff3addb941913000
[   50.913379] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.913417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.913452] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.913493] PKRU: 55555554
[   50.913507] Call Trace:
[   50.913519]  <TASK>
[   50.913532]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.913558]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.913578]  cleanup_net (net/core/net_namespace.c:702)
[   50.913599]  process_one_work (kernel/workqueue.c:3314)
[   50.913620]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.913643]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.913663]  kthread (kernel/kthread.c:436)
[   50.913685]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.913705]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.913725]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.913748]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.913855] ------------[ cut here ]------------
| [   50.913880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.913939] Modules linked in: ipvtap ipvlan
| [   50.914024] Tainted: [W]=WARN
[   50.914044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.914080] Workqueue: netns cleanup_net
[   50.914103] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.914128] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.914231] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.914257] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.914296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.914337] RBP: 0000000000000000 R08: ff3addb943357c90 R09: ff3addb9466e6830
[   50.914376] R10: ff3addb9466dc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.914417] R13: 0000000000000011 R14: ff3addb9466dc000 R15: ff3addb941913000
[   50.914460] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.914499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.914531] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.914569] PKRU: 55555554
[   50.914583] Call Trace:
[   50.914596]  <TASK>
[   50.914609]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.914636]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.914659]  cleanup_net (net/core/net_namespace.c:702)
[   50.914678]  process_one_work (kernel/workqueue.c:3314)
[   50.914698]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.914717]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.914739]  kthread (kernel/kthread.c:436)
[   50.914761]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.914783]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.914806]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.914826]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.914935] ------------[ cut here ]------------
| [   50.914960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.915016] Modules linked in: ipvtap ipvlan
| [   50.915094] Tainted: [W]=WARN
[   50.915113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.915153] Workqueue: netns cleanup_net
[   50.915178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.915207] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.915300] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.915326] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.915364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.915403] RBP: 0000000000000000 R08: ff3addb9430026d0 R09: ff3addb9447f5834
[   50.915441] R10: ff3addb9466df120 R11: fefefefefefefeff R12: 0000000000000000
[   50.915485] R13: 0000000000000011 R14: ff3addb9466df000 R15: ff3addb941913000
[   50.915530] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.915572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.915603] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.915639] PKRU: 55555554
[   50.915654] Call Trace:
[   50.915667]  <TASK>
[   50.915682]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.915712]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.915733]  cleanup_net (net/core/net_namespace.c:702)
[   50.915754]  process_one_work (kernel/workqueue.c:3314)
[   50.915774]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.915794]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.915818]  kthread (kernel/kthread.c:436)
[   50.915837]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.915859]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.915881]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.915899]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.916012] ------------[ cut here ]------------
| [   50.916038] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.916096] Modules linked in: ipvtap ipvlan
| [   50.916186] Tainted: [W]=WARN
[   50.916205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.916234] Workqueue: netns cleanup_net
[   50.916257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.916286] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.916382] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.916411] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.916455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.916491] RBP: 0000000000000000 R08: ff3addb941ddbf10 R09: ff3addb9413d0030
[   50.916531] R10: ff3addb9466d8120 R11: fefefefefefefeff R12: 0000000000000000
[   50.916575] R13: 0000000000000011 R14: ff3addb9466d8000 R15: ff3addb941913000
[   50.916616] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.916660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.916691] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.916736] PKRU: 55555554
[   50.916753] Call Trace:
[   50.916771]  <TASK>
[   50.916785]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.916811]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.916831]  cleanup_net (net/core/net_namespace.c:702)
[   50.916854]  process_one_work (kernel/workqueue.c:3314)
[   50.916876]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.916897]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.916918]  kthread (kernel/kthread.c:436)
[   50.916946]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.916968]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.916990]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.917011]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.917112] ------------[ cut here ]------------
| [   50.917137] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.917197] Modules linked in: ipvtap ipvlan
| [   50.917285] Tainted: [W]=WARN
[   50.917307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.917342] Workqueue: netns cleanup_net
[   50.917363] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.917388] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.917483] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.917510] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.917557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.917599] RBP: 0000000000000000 R08: ff3addb943389b90 R09: ff3addb9466e1830
[   50.917641] R10: ff3addb9466d9120 R11: fefefefefefefeff R12: 0000000000000000
[   50.917683] R13: 0000000000000011 R14: ff3addb9466d9000 R15: ff3addb941913000
[   50.917728] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.917769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.917805] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.917847] PKRU: 55555554
[   50.917859] Call Trace:
[   50.917873]  <TASK>
[   50.917888]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.917915]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.917940]  cleanup_net (net/core/net_namespace.c:702)
[   50.917964]  process_one_work (kernel/workqueue.c:3314)
[   50.917989]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.918015]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.918036]  kthread (kernel/kthread.c:436)
[   50.918058]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.918079]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.918101]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.918122]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.928964] ------------[ cut here ]------------
| [   50.929006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.929064] Modules linked in: ipvtap ipvlan
| [   50.929166] Tainted: [W]=WARN
[   50.929189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.929228] Workqueue: netns cleanup_net
[   50.929258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.929285] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.929378] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   50.929411] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.929455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.929499] RBP: 0000000000000000 R08: ff3addb9433894d0 R09: ff3addb9466d902c
[   50.929543] R10: ff3addb9467db120 R11: fefefefefefefeff R12: 0000000000000000
[   50.929579] R13: 0000000000000010 R14: ff3addb9467db000 R15: ff3addb941913000
[   50.929622] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.929665] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.929696] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.929748] PKRU: 55555554
[   50.929763] Call Trace:
[   50.929778]  <TASK>
[   50.929795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.929816]  netif_close_many (net/core/dev.c:1804)
[   50.929842]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.929872]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.929891]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.929925]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.929948]  cleanup_net (net/core/net_namespace.c:702)
[   50.929974]  process_one_work (kernel/workqueue.c:3314)
[   50.929995]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.930016]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.930034]  kthread (kernel/kthread.c:436)
[   50.930058]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.930079]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.930099]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.930118]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.930240] ------------[ cut here ]------------
| [   50.930271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.930332] Modules linked in: ipvtap ipvlan
| [   50.930419] Tainted: [W]=WARN
[   50.930436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.930470] Workqueue: netns cleanup_net
[   50.930489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.930515] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.930607] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   50.930627] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.930678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.930724] RBP: 0000000000000000 R08: ff3addb94339c850 R09: ff3addb9466d902c
[   50.930774] R10: ff3addb946694120 R11: fefefefefefefeff R12: 0000000000000000
[   50.930819] R13: 0000000000000010 R14: ff3addb946694000 R15: ff3addb941913000
[   50.930863] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.930909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.930944] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.930985] PKRU: 55555554
[   50.930998] Call Trace:
[   50.931010]  <TASK>
[   50.931024]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.931043]  netif_close_many (net/core/dev.c:1804)
[   50.931065]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.931093]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.931115]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.931142]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.931175]  cleanup_net (net/core/net_namespace.c:702)
[   50.931202]  process_one_work (kernel/workqueue.c:3314)
[   50.931225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.931242]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.931263]  kthread (kernel/kthread.c:436)
[   50.931284]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.931305]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.931328]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.931347]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.931487] ------------[ cut here ]------------
| [   50.931516] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.931583] Modules linked in: ipvtap ipvlan
| [   50.931661] Tainted: [W]=WARN
[   50.931684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.931720] Workqueue: netns cleanup_net
[   50.931744] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.931773] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.931872] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   50.931899] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.931944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.931978] RBP: 0000000000000000 R08: ff3addb9433894d0 R09: ff3addb9467e182c
[   50.932023] R10: ff3addb9467db120 R11: fefefefefefefeff R12: 0000000000000000
[   50.932063] R13: 0000000000000011 R14: ff3addb9467db000 R15: ff3addb941913000
[   50.932104] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.932159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.932195] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.932233] PKRU: 55555554
[   50.932245] Call Trace:
[   50.932257]  <TASK>
[   50.932276]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.932300]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.932332]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.932353]  cleanup_net (net/core/net_namespace.c:702)
[   50.932372]  process_one_work (kernel/workqueue.c:3314)
[   50.932395]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.932422]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.932444]  kthread (kernel/kthread.c:436)
[   50.932467]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.932493]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.932522]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.932544]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.932661] ------------[ cut here ]------------
| [   50.932690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.932749] Modules linked in: ipvtap ipvlan
| [   50.932841] Tainted: [W]=WARN
[   50.932861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.932893] Workqueue: netns cleanup_net
[   50.932911] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.932947] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.933043] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   50.933069] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.933108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.933154] RBP: 0000000000000000 R08: ff3addb94339c850 R09: ff3addb9447e702c
[   50.933190] R10: ff3addb946694120 R11: fefefefefefefeff R12: 0000000000000000
[   50.933230] R13: 0000000000000011 R14: ff3addb946694000 R15: ff3addb941913000
[   50.933273] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.933316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.933345] CR2: 00007fa13a109574 CR3: 0000000009647001 CR4: 0000000000771ef0
[   50.933388] PKRU: 55555554
[   50.933404] Call Trace:
[   50.933416]  <TASK>
[   50.933431]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.933464]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.933495]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.933517]  cleanup_net (net/core/net_namespace.c:702)
[   50.933540]  process_one_work (kernel/workqueue.c:3314)
[   50.933562]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.933584]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.933603]  kthread (kernel/kthread.c:436)
[   50.933626]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.933648]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.933672]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.933697]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.962037] ------------[ cut here ]------------
| [   50.962078] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.962140] Modules linked in: ipvtap ipvlan
| [   50.962232] Tainted: [W]=WARN
[   50.962259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.962294] Workqueue: netns cleanup_net
[   50.962317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.962343] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.962442] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.962466] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.962506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.962545] RBP: 0000000000000000 R08: ff3addb94191b950 R09: ff3addb94751a030
[   50.962585] R10: ff3addb947525120 R11: fefefefefefefeff R12: 0000000000000000
[   50.962625] R13: 0000000000000011 R14: ff3addb947525000 R15: ff3addb941913000
[   50.962664] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.962711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.962747] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.962788] PKRU: 55555554
[   50.962803] Call Trace:
[   50.962818]  <TASK>
[   50.962830]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.962858]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.962878]  cleanup_net (net/core/net_namespace.c:702)
[   50.962899]  process_one_work (kernel/workqueue.c:3314)
[   50.962916]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.962942]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.962968]  kthread (kernel/kthread.c:436)
[   50.962988]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.963008]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.963032]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.963055]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.963175] ------------[ cut here ]------------
| [   50.963199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.963257] Modules linked in: ipvtap ipvlan
| [   50.963348] Tainted: [W]=WARN
[   50.963367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.963401] Workqueue: netns cleanup_net
[   50.963422] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.963449] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.963541] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.963563] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.963601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.963642] RBP: 0000000000000000 R08: ff3addb94191b850 R09: ff3addb94751d030
[   50.963684] R10: ff3addb947520120 R11: fefefefefefefeff R12: 0000000000000000
[   50.963730] R13: 0000000000000011 R14: ff3addb947520000 R15: ff3addb941913000
[   50.963777] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.963822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.963854] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.963901] PKRU: 55555554
[   50.963918] Call Trace:
[   50.963940]  <TASK>
[   50.963956]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.963985]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.964007]  cleanup_net (net/core/net_namespace.c:702)
[   50.964030]  process_one_work (kernel/workqueue.c:3314)
[   50.964054]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.964071]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.964093]  kthread (kernel/kthread.c:436)
[   50.964115]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.964139]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.964170]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.964193]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.964301] ------------[ cut here ]------------
| [   50.964328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.964392] Modules linked in: ipvtap ipvlan
| [   50.964481] Tainted: [W]=WARN
[   50.964501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.964542] Workqueue: netns cleanup_net
[   50.964565] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.964593] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.964685] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.964712] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.964757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.964805] RBP: 0000000000000000 R08: ff3addb94191b7d0 R09: ff3addb947514034
[   50.964839] R10: ff3addb947523120 R11: fefefefefefefeff R12: 0000000000000000
[   50.964880] R13: 0000000000000011 R14: ff3addb947523000 R15: ff3addb941913000
[   50.964925] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.964970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.965002] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.965043] PKRU: 55555554
[   50.965057] Call Trace:
[   50.965072]  <TASK>
[   50.965084]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.965115]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.965137]  cleanup_net (net/core/net_namespace.c:702)
[   50.965166]  process_one_work (kernel/workqueue.c:3314)
[   50.965184]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.965207]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.965228]  kthread (kernel/kthread.c:436)
[   50.965251]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.965271]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.965292]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.965311]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.965414] ------------[ cut here ]------------
| [   50.965437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.965492] Modules linked in: ipvtap ipvlan
| [   50.965573] Tainted: [W]=WARN
[   50.965591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.965625] Workqueue: netns cleanup_net
[   50.965646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.965671] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.965770] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.965798] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.965842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.965878] RBP: 0000000000000000 R08: ff3addb94191b790 R09: ff3addb947517830
[   50.965923] R10: ff3addb94750c120 R11: fefefefefefefeff R12: 0000000000000000
[   50.965962] R13: 0000000000000011 R14: ff3addb94750c000 R15: ff3addb941913000
[   50.966005] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.966047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.966079] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.966116] PKRU: 55555554
[   50.966131] Call Trace:
[   50.966144]  <TASK>
[   50.966165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.966194]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.966215]  cleanup_net (net/core/net_namespace.c:702)
[   50.966238]  process_one_work (kernel/workqueue.c:3314)
[   50.966258]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.966281]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.966301]  kthread (kernel/kthread.c:436)
[   50.966322]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.966342]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.966365]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.966389]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.966483] ------------[ cut here ]------------
| [   50.966510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.966563] Modules linked in: ipvtap ipvlan
| [   50.966647] Tainted: [W]=WARN
[   50.966669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.966707] Workqueue: netns cleanup_net
[   50.966730] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.966755] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.966856] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.966884] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.966929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.966973] RBP: 0000000000000000 R08: ff3addb9444f8dd0 R09: ff3addb947519830
[   50.967014] R10: ff3addb94750d120 R11: fefefefefefefeff R12: 0000000000000000
[   50.967061] R13: 0000000000000011 R14: ff3addb94750d000 R15: ff3addb941913000
[   50.967101] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.967157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.967191] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.967232] PKRU: 55555554
[   50.967245] Call Trace:
[   50.967259]  <TASK>
[   50.967274]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.967301]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.967322]  cleanup_net (net/core/net_namespace.c:702)
[   50.967345]  process_one_work (kernel/workqueue.c:3314)
[   50.967366]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.967386]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.967405]  kthread (kernel/kthread.c:436)
[   50.967425]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.967450]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.967470]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.967490]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.967611] ------------[ cut here ]------------
| [   50.967643] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.967700] Modules linked in: ipvtap ipvlan
| [   50.967785] Tainted: [W]=WARN
[   50.967804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.967838] Workqueue: netns cleanup_net
[   50.967859] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.967889] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.967985] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.968010] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.968065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.968106] RBP: 0000000000000000 R08: ff3addb94451f750 R09: ff3addb9474ce030
[   50.968150] R10: ff3addb9474d6120 R11: fefefefefefefeff R12: 0000000000000000
[   50.968191] R13: 0000000000000011 R14: ff3addb9474d6000 R15: ff3addb941913000
[   50.968238] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.968286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.968318] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.968360] PKRU: 55555554
[   50.968374] Call Trace:
[   50.968389]  <TASK>
[   50.968401]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.968430]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.968453]  cleanup_net (net/core/net_namespace.c:702)
[   50.968473]  process_one_work (kernel/workqueue.c:3314)
[   50.968494]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.968515]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.968537]  kthread (kernel/kthread.c:436)
[   50.968557]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.968578]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.968598]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.968623]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.968732] ------------[ cut here ]------------
| [   50.968758] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.968807] Modules linked in: ipvtap ipvlan
| [   50.968890] Tainted: [W]=WARN
[   50.968912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.968950] Workqueue: netns cleanup_net
[   50.968971] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.968997] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.969090] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.969119] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.969167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.969207] RBP: 0000000000000000 R08: ff3addb944519d90 R09: ff3addb9474d9030
[   50.969247] R10: ff3addb9474d1120 R11: fefefefefefefeff R12: 0000000000000000
[   50.969291] R13: 0000000000000011 R14: ff3addb9474d1000 R15: ff3addb941913000
[   50.969334] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.969368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.969405] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.969444] PKRU: 55555554
[   50.969457] Call Trace:
[   50.969470]  <TASK>
[   50.969485]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.969515]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.969536]  cleanup_net (net/core/net_namespace.c:702)
[   50.969557]  process_one_work (kernel/workqueue.c:3314)
[   50.969578]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.969598]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.969617]  kthread (kernel/kthread.c:436)
[   50.969641]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.969663]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.969688]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.969708]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.969811] ------------[ cut here ]------------
| [   50.969841] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.969905] Modules linked in: ipvtap ipvlan
| [   50.969991] Tainted: [W]=WARN
[   50.970009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.970041] Workqueue: netns cleanup_net
[   50.970063] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.970096] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.970192] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.970219] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.970260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.970300] RBP: 0000000000000000 R08: ff3addb944519390 R09: ff3addb9474c8034
[   50.970342] R10: ff3addb9471fc120 R11: fefefefefefefeff R12: 0000000000000000
[   50.970383] R13: 0000000000000011 R14: ff3addb9471fc000 R15: ff3addb941913000
[   50.970424] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.970467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.970497] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.970537] PKRU: 55555554
[   50.970551] Call Trace:
[   50.970564]  <TASK>
[   50.970577]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.970604]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.970627]  cleanup_net (net/core/net_namespace.c:702)
[   50.970649]  process_one_work (kernel/workqueue.c:3314)
[   50.970669]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.970694]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.970715]  kthread (kernel/kthread.c:436)
[   50.970735]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.970755]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.970776]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.970799]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.970892] ------------[ cut here ]------------
| [   50.970923] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.970978] Modules linked in: ipvtap ipvlan
| [   50.971059] Tainted: [W]=WARN
[   50.971078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.971111] Workqueue: netns cleanup_net
[   50.971132] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.971170] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.971264] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.971292] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.971331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.971374] RBP: 0000000000000000 R08: ff3addb944519cd0 R09: ff3addb9474cb830
[   50.971420] R10: ff3addb9471fd120 R11: fefefefefefefeff R12: 0000000000000000
[   50.971460] R13: 0000000000000011 R14: ff3addb9471fd000 R15: ff3addb941913000
[   50.971503] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.971546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.971583] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.971626] PKRU: 55555554
[   50.971641] Call Trace:
[   50.971655]  <TASK>
[   50.971669]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.971698]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.971724]  cleanup_net (net/core/net_namespace.c:702)
[   50.971748]  process_one_work (kernel/workqueue.c:3314)
[   50.971770]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.971790]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.971809]  kthread (kernel/kthread.c:436)
[   50.971828]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.971850]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.971873]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.971894]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.971996] ------------[ cut here ]------------
| [   50.972021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.972075] Modules linked in: ipvtap ipvlan
| [   50.972169] Tainted: [W]=WARN
[   50.972192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.972222] Workqueue: netns cleanup_net
[   50.972244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.972272] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.972365] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.972393] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.972435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.972479] RBP: 0000000000000000 R08: ff3addb943189450 R09: ff3addb947481830
[   50.972519] R10: ff3addb9471fe120 R11: fefefefefefefeff R12: 0000000000000000
[   50.972557] R13: 0000000000000011 R14: ff3addb9471fe000 R15: ff3addb941913000
[   50.972598] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.972637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.972669] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.972711] PKRU: 55555554
[   50.972725] Call Trace:
[   50.972740]  <TASK>
[   50.972758]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.972789]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.972810]  cleanup_net (net/core/net_namespace.c:702)
[   50.972831]  process_one_work (kernel/workqueue.c:3314)
[   50.972853]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.972874]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.972895]  kthread (kernel/kthread.c:436)
[   50.972918]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.972953]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.972974]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.972995]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.973120] ------------[ cut here ]------------
| [   50.973158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.973217] Modules linked in: ipvtap ipvlan
| [   50.973302] Tainted: [W]=WARN
[   50.973323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.973356] Workqueue: netns cleanup_net
[   50.973378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.973405] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.973505] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.973533] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.973576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.973616] RBP: 0000000000000000 R08: ff3addb94194bf90 R09: ff3addb944706830
[   50.973655] R10: ff3addb9471df120 R11: fefefefefefefeff R12: 0000000000000000
[   50.973693] R13: 0000000000000011 R14: ff3addb9471df000 R15: ff3addb941913000
[   50.973738] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.973778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.973814] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.973852] PKRU: 55555554
[   50.973870] Call Trace:
[   50.973884]  <TASK>
[   50.973898]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.973928]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.973951]  cleanup_net (net/core/net_namespace.c:702)
[   50.973973]  process_one_work (kernel/workqueue.c:3314)
[   50.973998]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.974020]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.974045]  kthread (kernel/kthread.c:436)
[   50.974064]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.974085]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.974108]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.974130]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.974241] ------------[ cut here ]------------
| [   50.974265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.974319] Modules linked in: ipvtap ipvlan
| [   50.974402] Tainted: [W]=WARN
[   50.974422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.974456] Workqueue: netns cleanup_net
[   50.974475] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.974505] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.974595] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.974623] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.974664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.974703] RBP: 0000000000000000 R08: ff3addb944538590 R09: ff3addb9471d0830
[   50.974745] R10: ff3addb9471da120 R11: fefefefefefefeff R12: 0000000000000000
[   50.974786] R13: 0000000000000011 R14: ff3addb9471da000 R15: ff3addb941913000
[   50.974826] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.974859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.974893] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.974942] PKRU: 55555554
[   50.974956] Call Trace:
[   50.974970]  <TASK>
[   50.974984]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.975013]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.975033]  cleanup_net (net/core/net_namespace.c:702)
[   50.975055]  process_one_work (kernel/workqueue.c:3314)
[   50.975077]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.975098]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.975116]  kthread (kernel/kthread.c:436)
[   50.975139]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.975163]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.975186]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.975207]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.975307] ------------[ cut here ]------------
| [   50.975336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.975383] Modules linked in: ipvtap ipvlan
| [   50.975466] Tainted: [W]=WARN
[   50.975486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.975523] Workqueue: netns cleanup_net
[   50.975546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.975576] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.975665] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.975695] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.975736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.975777] RBP: 0000000000000000 R08: ff3addb943369010 R09: ff3addb9471d3834
[   50.975817] R10: ff3addb9446fd120 R11: fefefefefefefeff R12: 0000000000000000
[   50.975857] R13: 0000000000000011 R14: ff3addb9446fd000 R15: ff3addb941913000
[   50.975900] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.975938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.975970] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.976010] PKRU: 55555554
[   50.976022] Call Trace:
[   50.976035]  <TASK>
[   50.976050]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.976078]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.976098]  cleanup_net (net/core/net_namespace.c:702)
[   50.976119]  process_one_work (kernel/workqueue.c:3314)
[   50.976140]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.976178]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.976203]  kthread (kernel/kthread.c:436)
[   50.976226]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.976249]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.976271]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.976291]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.976392] ------------[ cut here ]------------
| [   50.976418] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.976475] Modules linked in: ipvtap ipvlan
| [   50.976558] Tainted: [W]=WARN
[   50.976578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.976611] Workqueue: netns cleanup_net
[   50.976636] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.976668] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.976764] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.976790] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.976826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.976866] RBP: 0000000000000000 R08: ff3addb94194bf50 R09: ff3addb944703030
[   50.976908] R10: ff3addb9446fe120 R11: fefefefefefefeff R12: 0000000000000000
[   50.976957] R13: 0000000000000011 R14: ff3addb9446fe000 R15: ff3addb941913000
[   50.977000] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.977042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.977077] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.977120] PKRU: 55555554
[   50.977135] Call Trace:
[   50.977154]  <TASK>
[   50.977171]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.977200]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.977224]  cleanup_net (net/core/net_namespace.c:702)
[   50.977244]  process_one_work (kernel/workqueue.c:3314)
[   50.977266]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.977287]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.977308]  kthread (kernel/kthread.c:436)
[   50.977327]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.977347]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.977367]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.977387]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.977485] ------------[ cut here ]------------
| [   50.977510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.977571] Modules linked in: ipvtap ipvlan
| [   50.977653] Tainted: [W]=WARN
[   50.977673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.977708] Workqueue: netns cleanup_net
[   50.977729] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.977755] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.977849] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   50.977875] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.977916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.977959] RBP: 0000000000000000 R08: ff3addb94194b5d0 R09: ff3addb944705030
[   50.978000] R10: ff3addb9446ff120 R11: fefefefefefefeff R12: 0000000000000000
[   50.978038] R13: 0000000000000011 R14: ff3addb9446ff000 R15: ff3addb941913000
[   50.978077] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.978118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.978159] CR2: 0000561357813d5c CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.978208] PKRU: 55555554
[   50.978222] Call Trace:
[   50.978236]  <TASK>
[   50.978250]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.978278]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.978297]  cleanup_net (net/core/net_namespace.c:702)
[   50.978319]  process_one_work (kernel/workqueue.c:3314)
[   50.978340]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.978361]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.978383]  kthread (kernel/kthread.c:436)
[   50.978404]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.978427]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.978450]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.978470]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.983980] ------------[ cut here ]------------
| [   50.984017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.984080] Modules linked in: ipvtap ipvlan
| [   50.984166] Tainted: [W]=WARN
[   50.984188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.984224] Workqueue: netns cleanup_net
[   50.984242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.984273] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.984371] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   50.984403] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.984444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.984486] RBP: 0000000000000000 R08: ff3addb941ddbd50 R09: ff3addb9446ff02c
[   50.984528] R10: ff3addb947508120 R11: fefefefefefefeff R12: 0000000000000000
[   50.984572] R13: 0000000000000010 R14: ff3addb947508000 R15: ff3addb941913000
[   50.984616] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.984659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.984687] CR2: 00007ffd1c634d58 CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.984734] PKRU: 55555554
[   50.984748] Call Trace:
[   50.984764]  <TASK>
[   50.984781]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.984803]  netif_close_many (net/core/dev.c:1804)
[   50.984823]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.984853]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.984873]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.984900]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.984918]  cleanup_net (net/core/net_namespace.c:702)
[   50.984945]  process_one_work (kernel/workqueue.c:3314)
[   50.984965]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.984988]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.985010]  kthread (kernel/kthread.c:436)
[   50.985029]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.985051]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.985073]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.985093]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.985191] ------------[ cut here ]------------
| [   50.985220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.985274] Modules linked in: ipvtap ipvlan
| [   50.985357] Tainted: [W]=WARN
[   50.985380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.985416] Workqueue: netns cleanup_net
[   50.985437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.985465] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.985568] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   50.985595] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.985633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.985678] RBP: 0000000000000000 R08: ff3addb944519650 R09: ff3addb9446ff02c
[   50.985718] R10: ff3addb9471f9120 R11: fefefefefefefeff R12: 0000000000000000
[   50.985756] R13: 0000000000000010 R14: ff3addb9471f9000 R15: ff3addb941913000
[   50.985799] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.985842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.985877] CR2: 00007ffd1c634d58 CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.985928] PKRU: 55555554
[   50.985944] Call Trace:
[   50.985960]  <TASK>
[   50.985973]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.985994]  netif_close_many (net/core/dev.c:1804)
[   50.986017]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.986051]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.986074]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.986099]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.986121]  cleanup_net (net/core/net_namespace.c:702)
[   50.986142]  process_one_work (kernel/workqueue.c:3314)
[   50.986191]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.986217]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.986235]  kthread (kernel/kthread.c:436)
[   50.986255]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.986274]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.986300]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.986322]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.986397] ------------[ cut here ]------------
| [   50.986428] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.986479] Modules linked in: ipvtap ipvlan
| [   50.986570] Tainted: [W]=WARN
[   50.986588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.986623] Workqueue: netns cleanup_net
[   50.986642] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.986671] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.986767] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   50.986794] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.986827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.986871] RBP: 0000000000000000 R08: ff3addb943396dd0 R09: ff3addb9446ff02c
[   50.986911] R10: ff3addb9446fa120 R11: fefefefefefefeff R12: 0000000000000000
[   50.986954] R13: 0000000000000010 R14: ff3addb9446fa000 R15: ff3addb941913000
[   50.986990] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.987027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.987060] CR2: 00007ffd1c634d58 CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.987100] PKRU: 55555554
[   50.987116] Call Trace:
[   50.987128]  <TASK>
[   50.987141]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.987168]  netif_close_many (net/core/dev.c:1804)
[   50.987187]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.987216]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.987239]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.987262]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.987287]  cleanup_net (net/core/net_namespace.c:702)
[   50.987307]  process_one_work (kernel/workqueue.c:3314)
[   50.987328]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.987349]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.987372]  kthread (kernel/kthread.c:436)
[   50.987392]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.987416]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.987437]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.987458]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.987616] ------------[ cut here ]------------
| [   50.987646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.987708] Modules linked in: ipvtap ipvlan
| [   50.987800] Tainted: [W]=WARN
[   50.987820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.987857] Workqueue: netns cleanup_net
[   50.987885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.987912] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.988018] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   50.988051] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.988094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.988151] RBP: 0000000000000000 R08: ff3addb941ddbd50 R09: ff3addb94670f02c
[   50.988193] R10: ff3addb947508120 R11: fefefefefefefeff R12: 0000000000000000
[   50.988234] R13: 0000000000000011 R14: ff3addb947508000 R15: ff3addb941913000
[   50.988275] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.988317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.988351] CR2: 00007ffd1c634d58 CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.988393] PKRU: 55555554
[   50.988406] Call Trace:
[   50.988423]  <TASK>
[   50.988434]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.988463]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.988489]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.988507]  cleanup_net (net/core/net_namespace.c:702)
[   50.988529]  process_one_work (kernel/workqueue.c:3314)
[   50.988549]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.988569]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.988588]  kthread (kernel/kthread.c:436)
[   50.988610]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.988631]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.988650]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.988668]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.988781] ------------[ cut here ]------------
| [   50.988808] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.988868] Modules linked in: ipvtap ipvlan
| [   50.988953] Tainted: [W]=WARN
[   50.988971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.989001] Workqueue: netns cleanup_net
[   50.989021] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.989049] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.989142] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   50.989177] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.989220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.989256] RBP: 0000000000000000 R08: ff3addb944519650 R09: ff3addb94748302c
[   50.989299] R10: ff3addb9471f9120 R11: fefefefefefefeff R12: 0000000000000000
[   50.989337] R13: 0000000000000011 R14: ff3addb9471f9000 R15: ff3addb941913000
[   50.989383] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.989434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.989467] CR2: 00007ffd1c634d58 CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.989508] PKRU: 55555554
[   50.989520] Call Trace:
[   50.989536]  <TASK>
[   50.989550]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.989575]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.989604]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.989627]  cleanup_net (net/core/net_namespace.c:702)
[   50.989648]  process_one_work (kernel/workqueue.c:3314)
[   50.989666]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.989685]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.989706]  kthread (kernel/kthread.c:436)
[   50.989726]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.989747]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.989767]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.989788]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.989899] ------------[ cut here ]------------
| [   50.989924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   50.989990] Modules linked in: ipvtap ipvlan
| [   50.990076] Tainted: [W]=WARN
[   50.990093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.990129] Workqueue: netns cleanup_net
[   50.990159] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.990186] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.990287] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   50.990316] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.990357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   50.990397] RBP: 0000000000000000 R08: ff3addb943396dd0 R09: ff3addb9466fa82c
[   50.990433] R10: ff3addb9446fa120 R11: fefefefefefefeff R12: 0000000000000000
[   50.990474] R13: 0000000000000011 R14: ff3addb9446fa000 R15: ff3addb941913000
[   50.990512] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   50.990560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.990588] CR2: 00007ffd1c634d58 CR3: 000000000448d004 CR4: 0000000000771ef0
[   50.990629] PKRU: 55555554
[   50.990642] Call Trace:
[   50.990653]  <TASK>
[   50.990668]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.990697]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.990723]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.990746]  cleanup_net (net/core/net_namespace.c:702)
[   50.990770]  process_one_work (kernel/workqueue.c:3314)
[   50.990788]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.990809]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.990829]  kthread (kernel/kthread.c:436)
[   50.990848]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.990873]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.990894]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.990917]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.020126] ------------[ cut here ]------------
| [   51.020171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.020238] Modules linked in: ipvtap ipvlan
| [   51.020327] Tainted: [W]=WARN
[   51.020346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.020383] Workqueue: netns cleanup_net
[   51.020411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.020445] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.020538] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.020563] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.020605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.020642] RBP: 0000000000000000 R08: ff3addb94194e810 R09: ff3addb947740030
[   51.020685] R10: ff3addb94773a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.020721] R13: 0000000000000011 R14: ff3addb94773a000 R15: ff3addb941913000
[   51.020770] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.020812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.020850] CR2: 00007f506ecf7668 CR3: 00000000111c0002 CR4: 0000000000771ef0
[   51.020892] PKRU: 55555554
[   51.020906] Call Trace:
[   51.020928]  <TASK>
[   51.020944]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.020971]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.020998]  cleanup_net (net/core/net_namespace.c:702)
[   51.021022]  process_one_work (kernel/workqueue.c:3314)
[   51.021044]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.021067]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.021091]  kthread (kernel/kthread.c:436)
[   51.021116]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.021137]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.021167]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.021194]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.021318] ------------[ cut here ]------------
| [   51.021347] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.021409] Modules linked in: ipvtap ipvlan
| [   51.021489] Tainted: [W]=WARN
[   51.021508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.021543] Workqueue: netns cleanup_net
[   51.021569] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.021597] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.021685] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.021718] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.021760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.021796] RBP: 0000000000000000 R08: ff3addb94194e910 R09: ff3addb947727030
[   51.021841] R10: ff3addb94772d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.021887] R13: 0000000000000011 R14: ff3addb94772d000 R15: ff3addb941913000
[   51.021929] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.021974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.022007] CR2: 00007f506ecf7668 CR3: 00000000111c0002 CR4: 0000000000771ef0
[   51.022046] PKRU: 55555554
[   51.022062] Call Trace:
[   51.022075]  <TASK>
[   51.022088]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.022121]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.022144]  cleanup_net (net/core/net_namespace.c:702)
[   51.022172]  process_one_work (kernel/workqueue.c:3314)
[   51.022200]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.022221]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.022241]  kthread (kernel/kthread.c:436)
[   51.022260]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.022282]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.022305]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.022325]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.022432] ------------[ cut here ]------------
| [   51.022457] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.022517] Modules linked in: ipvtap ipvlan
| [   51.022600] Tainted: [W]=WARN
[   51.022619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.022657] Workqueue: netns cleanup_net
[   51.022676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.022704] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.022808] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.022838] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.022882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.022915] RBP: 0000000000000000 R08: ff3addb94194ea10 R09: ff3addb947732034
[   51.022968] R10: ff3addb947728120 R11: fefefefefefefeff R12: 0000000000000000
[   51.023007] R13: 0000000000000011 R14: ff3addb947728000 R15: ff3addb941913000
[   51.023047] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.023091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.023132] CR2: 00007f506ecf7668 CR3: 00000000111c0002 CR4: 0000000000771ef0
[   51.023187] PKRU: 55555554
[   51.023202] Call Trace:
[   51.023217]  <TASK>
[   51.023231]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.023260]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.023283]  cleanup_net (net/core/net_namespace.c:702)
[   51.023303]  process_one_work (kernel/workqueue.c:3314)
[   51.023323]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.023345]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.023367]  kthread (kernel/kthread.c:436)
[   51.023391]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.023415]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.023440]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.023462]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.023561] ------------[ cut here ]------------
| [   51.023587] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.023637] Modules linked in: ipvtap ipvlan
| [   51.023715] Tainted: [W]=WARN
[   51.023735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.023768] Workqueue: netns cleanup_net
[   51.023790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.023820] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.023914] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.023948] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.023991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.024031] RBP: 0000000000000000 R08: ff3addb94194e9d0 R09: ff3addb947721830
[   51.024075] R10: ff3addb947729120 R11: fefefefefefefeff R12: 0000000000000000
[   51.024116] R13: 0000000000000011 R14: ff3addb947729000 R15: ff3addb941913000
[   51.024164] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.024205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.024240] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.024283] PKRU: 55555554
[   51.024297] Call Trace:
[   51.024313]  <TASK>
[   51.024327]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.024355]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.024378]  cleanup_net (net/core/net_namespace.c:702)
[   51.024401]  process_one_work (kernel/workqueue.c:3314)
[   51.024423]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.024444]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.024464]  kthread (kernel/kthread.c:436)
[   51.024483]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.024503]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.024523]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.024546]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.024653] ------------[ cut here ]------------
| [   51.024678] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.024734] Modules linked in: ipvtap ipvlan
| [   51.024817] Tainted: [W]=WARN
[   51.024838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.024876] Workqueue: netns cleanup_net
[   51.024903] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.024935] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.025025] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.025052] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.025095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.025140] RBP: 0000000000000000 R08: ff3addb943389110 R09: ff3addb947723830
[   51.025197] R10: ff3addb94772a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.025235] R13: 0000000000000011 R14: ff3addb94772a000 R15: ff3addb941913000
[   51.025278] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.025316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.025350] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.025395] PKRU: 55555554
[   51.025411] Call Trace:
[   51.025426]  <TASK>
[   51.025443]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.025474]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.025497]  cleanup_net (net/core/net_namespace.c:702)
[   51.025518]  process_one_work (kernel/workqueue.c:3314)
[   51.025539]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.025561]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.025582]  kthread (kernel/kthread.c:436)
[   51.025604]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.025626]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.025648]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.025672]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.025776] ------------[ cut here ]------------
| [   51.025802] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.025857] Modules linked in: ipvtap ipvlan
| [   51.025959] Tainted: [W]=WARN
[   51.025979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.026018] Workqueue: netns cleanup_net
[   51.026039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.026069] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.026169] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.026196] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.026240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.026281] RBP: 0000000000000000 R08: ff3addb943357cd0 R09: ff3addb94765b830
[   51.026320] R10: ff3addb947653120 R11: fefefefefefefeff R12: 0000000000000000
[   51.026361] R13: 0000000000000011 R14: ff3addb947653000 R15: ff3addb941913000
[   51.026403] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.026447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.026482] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.026525] PKRU: 55555554
[   51.026538] Call Trace:
[   51.026552]  <TASK>
[   51.026566]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.026594]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.026615]  cleanup_net (net/core/net_namespace.c:702)
[   51.026635]  process_one_work (kernel/workqueue.c:3314)
[   51.026656]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.026677]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.026696]  kthread (kernel/kthread.c:436)
[   51.026719]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.026742]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.026760]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.026788]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.026890] ------------[ cut here ]------------
| [   51.026916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.026969] Modules linked in: ipvtap ipvlan
| [   51.027038] Tainted: [W]=WARN
[   51.027058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.027094] Workqueue: netns cleanup_net
[   51.027116] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.027149] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.027245] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.027272] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.027308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.027348] RBP: 0000000000000000 R08: ff3addb943369850 R09: ff3addb94764a830
[   51.027388] R10: ff3addb947646120 R11: fefefefefefefeff R12: 0000000000000000
[   51.027428] R13: 0000000000000011 R14: ff3addb947646000 R15: ff3addb941913000
[   51.027474] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.027518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.027552] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.027595] PKRU: 55555554
[   51.027608] Call Trace:
[   51.027626]  <TASK>
[   51.027641]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.027669]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.027693]  cleanup_net (net/core/net_namespace.c:702)
[   51.027716]  process_one_work (kernel/workqueue.c:3314)
[   51.027736]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.027759]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.027780]  kthread (kernel/kthread.c:436)
[   51.027800]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.027822]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.027843]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.027864]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.027972] ------------[ cut here ]------------
| [   51.027997] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.028050] Modules linked in: ipvtap ipvlan
| [   51.028136] Tainted: [W]=WARN
[   51.028159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.028195] Workqueue: netns cleanup_net
[   51.028218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.028246] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.028333] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.028360] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.028399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.028441] RBP: 0000000000000000 R08: ff3addb94123de10 R09: ff3addb94764d834
[   51.028481] R10: ff3addb947641120 R11: fefefefefefefeff R12: 0000000000000000
[   51.028524] R13: 0000000000000011 R14: ff3addb947641000 R15: ff3addb941913000
[   51.028565] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.028607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.028640] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.028682] PKRU: 55555554
[   51.028697] Call Trace:
[   51.028710]  <TASK>
[   51.028725]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.028754]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.028781]  cleanup_net (net/core/net_namespace.c:702)
[   51.028803]  process_one_work (kernel/workqueue.c:3314)
[   51.028825]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.028847]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.028867]  kthread (kernel/kthread.c:436)
[   51.028891]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.028912]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.028937]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.028960]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.029057] ------------[ cut here ]------------
| [   51.029085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.029132] Modules linked in: ipvtap ipvlan
| [   51.029232] Tainted: [W]=WARN
[   51.029253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.029287] Workqueue: netns cleanup_net
[   51.029311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.029342] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.029445] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.029474] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.029514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.029552] RBP: 0000000000000000 R08: ff3addb943369310 R09: ff3addb947635030
[   51.029592] R10: ff3addb947642120 R11: fefefefefefefeff R12: 0000000000000000
[   51.029633] R13: 0000000000000011 R14: ff3addb947642000 R15: ff3addb941913000
[   51.029677] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.029717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.029750] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.029793] PKRU: 55555554
[   51.029810] Call Trace:
[   51.029824]  <TASK>
[   51.029838]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.029865]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.029886]  cleanup_net (net/core/net_namespace.c:702)
[   51.029907]  process_one_work (kernel/workqueue.c:3314)
[   51.029931]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.029952]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.029975]  kthread (kernel/kthread.c:436)
[   51.030000]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.030022]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.030043]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.030067]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.030171] ------------[ cut here ]------------
| [   51.030197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.030255] Modules linked in: ipvtap ipvlan
| [   51.030348] Tainted: [W]=WARN
[   51.030369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.030409] Workqueue: netns cleanup_net
[   51.030432] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.030454] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.030546] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.030573] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.030612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.030652] RBP: 0000000000000000 R08: ff3addb943369250 R09: ff3addb947637030
[   51.030692] R10: ff3addb947643120 R11: fefefefefefefeff R12: 0000000000000000
[   51.030733] R13: 0000000000000011 R14: ff3addb947643000 R15: ff3addb941913000
[   51.030776] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.030816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.030851] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.030892] PKRU: 55555554
[   51.030904] Call Trace:
[   51.030918]  <TASK>
[   51.030940]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.030968]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.030989]  cleanup_net (net/core/net_namespace.c:702)
[   51.031009]  process_one_work (kernel/workqueue.c:3314)
[   51.031030]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.031054]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.031077]  kthread (kernel/kthread.c:436)
[   51.031098]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.031120]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.031142]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.031166]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.031274] ------------[ cut here ]------------
| [   51.031299] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.031355] Modules linked in: ipvtap ipvlan
| [   51.031437] Tainted: [W]=WARN
[   51.031455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.031491] Workqueue: netns cleanup_net
[   51.031512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.031539] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.031628] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.031651] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.031693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.031738] RBP: 0000000000000000 R08: ff3addb9445191d0 R09: ff3addb9475c7030
[   51.031775] R10: ff3addb9475c8120 R11: fefefefefefefeff R12: 0000000000000000
[   51.031817] R13: 0000000000000011 R14: ff3addb9475c8000 R15: ff3addb941913000
[   51.031858] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.031900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.031936] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.031977] PKRU: 55555554
[   51.031992] Call Trace:
[   51.032003]  <TASK>
[   51.032018]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.032047]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.032069]  cleanup_net (net/core/net_namespace.c:702)
[   51.032087]  process_one_work (kernel/workqueue.c:3314)
[   51.032107]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.032127]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.032149]  kthread (kernel/kthread.c:436)
[   51.032174]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.032197]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.032219]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.032239]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.032341] ------------[ cut here ]------------
| [   51.032366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.032423] Modules linked in: ipvtap ipvlan
| [   51.032507] Tainted: [W]=WARN
[   51.032526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.032563] Workqueue: netns cleanup_net
[   51.032586] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.032616] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.032719] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.032747] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.032790] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.032829] RBP: 0000000000000000 R08: ff3addb94191b3d0 R09: ff3addb9475d2030
[   51.032868] R10: ff3addb9475cb120 R11: fefefefefefefeff R12: 0000000000000000
[   51.032904] R13: 0000000000000011 R14: ff3addb9475cb000 R15: ff3addb941913000
[   51.032955] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.032997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.033030] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.033074] PKRU: 55555554
[   51.033088] Call Trace:
[   51.033101]  <TASK>
[   51.033116]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.033143]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.033188]  cleanup_net (net/core/net_namespace.c:702)
[   51.033210]  process_one_work (kernel/workqueue.c:3314)
[   51.033232]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.033253]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.033273]  kthread (kernel/kthread.c:436)
[   51.033293]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.033317]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.033342]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.033361]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.033465] ------------[ cut here ]------------
| [   51.033491] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.033541] Modules linked in: ipvtap ipvlan
| [   51.033619] Tainted: [W]=WARN
[   51.033641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.033677] Workqueue: netns cleanup_net
[   51.033700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.033727] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.033825] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.033853] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.033894] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.033935] RBP: 0000000000000000 R08: ff3addb94191b550 R09: ff3addb9475c1034
[   51.033977] R10: ff3addb9475be120 R11: fefefefefefefeff R12: 0000000000000000
[   51.034018] R13: 0000000000000011 R14: ff3addb9475be000 R15: ff3addb941913000
[   51.034053] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.034096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.034124] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.034171] PKRU: 55555554
[   51.034185] Call Trace:
[   51.034200]  <TASK>
[   51.034214]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.034243]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.034265]  cleanup_net (net/core/net_namespace.c:702)
[   51.034285]  process_one_work (kernel/workqueue.c:3314)
[   51.034307]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.034328]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.034350]  kthread (kernel/kthread.c:436)
[   51.034371]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.034393]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.034412]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.034432]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.034530] ------------[ cut here ]------------
| [   51.034555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.034606] Modules linked in: ipvtap ipvlan
| [   51.034685] Tainted: [W]=WARN
[   51.034705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.034742] Workqueue: netns cleanup_net
[   51.034763] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.034793] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.034884] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.034911] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.034954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.034996] RBP: 0000000000000000 R08: ff3addb94191b690 R09: ff3addb9475c4830
[   51.035035] R10: ff3addb9475bf120 R11: fefefefefefefeff R12: 0000000000000000
[   51.035075] R13: 0000000000000011 R14: ff3addb9475bf000 R15: ff3addb941913000
[   51.035117] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.035163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.035198] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.035240] PKRU: 55555554
[   51.035254] Call Trace:
[   51.035269]  <TASK>
[   51.035282]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.035310]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.035332]  cleanup_net (net/core/net_namespace.c:702)
[   51.035354]  process_one_work (kernel/workqueue.c:3314)
[   51.035376]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.035396]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.035417]  kthread (kernel/kthread.c:436)
[   51.035438]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.035460]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.035482]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.035502]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.035596] ------------[ cut here ]------------
| [   51.035621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.035675] Modules linked in: ipvtap ipvlan
| [   51.035754] Tainted: [W]=WARN
[   51.035774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.035810] Workqueue: netns cleanup_net
[   51.035830] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.035860] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.035965] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.035994] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.036031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.036067] RBP: 0000000000000000 R08: ff3addb943189150 R09: ff3addb9474f2830
[   51.036106] R10: ff3addb9475b8120 R11: fefefefefefefeff R12: 0000000000000000
[   51.036151] R13: 0000000000000011 R14: ff3addb9475b8000 R15: ff3addb941913000
[   51.036197] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.036241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.036273] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.036314] PKRU: 55555554
[   51.036329] Call Trace:
[   51.036343]  <TASK>
[   51.036356]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.036382]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.036402]  cleanup_net (net/core/net_namespace.c:702)
[   51.036425]  process_one_work (kernel/workqueue.c:3314)
[   51.036446]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.036468]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.036489]  kthread (kernel/kthread.c:436)
[   51.036510]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.036531]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.036554]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.036576]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.045977] ------------[ cut here ]------------
| [   51.046018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.046076] Modules linked in: ipvtap ipvlan
| [   51.046168] Tainted: [W]=WARN
[   51.046191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.046228] Workqueue: netns cleanup_net
[   51.046254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.046285] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.046383] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.046413] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.046455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.046501] RBP: 0000000000000000 R08: ff3addb943389010 R09: ff3addb9475b802c
[   51.046540] R10: ff3addb9476e5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.046583] R13: 0000000000000010 R14: ff3addb9476e5000 R15: ff3addb941913000
[   51.046628] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.046669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.046701] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.046744] PKRU: 55555554
[   51.046761] Call Trace:
[   51.046777]  <TASK>
[   51.046792]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.046811]  netif_close_many (net/core/dev.c:1804)
[   51.046830]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.046859]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.046880]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.046904]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.046932]  cleanup_net (net/core/net_namespace.c:702)
[   51.046953]  process_one_work (kernel/workqueue.c:3314)
[   51.046971]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.046993]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.047014]  kthread (kernel/kthread.c:436)
[   51.047036]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.047055]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.047077]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.047098]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.047188] ------------[ cut here ]------------
| [   51.047214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.047271] Modules linked in: ipvtap ipvlan
| [   51.047348] Tainted: [W]=WARN
[   51.047366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.047395] Workqueue: netns cleanup_net
[   51.047415] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.047446] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.047533] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.047557] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.047594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.047631] RBP: 0000000000000000 R08: ff3addb9444f8190 R09: ff3addb9475b802c
[   51.047676] R10: ff3addb94762e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.047717] R13: 0000000000000010 R14: ff3addb94762e000 R15: ff3addb941913000
[   51.047764] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.047801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.047836] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.047876] PKRU: 55555554
[   51.047889] Call Trace:
[   51.047902]  <TASK>
[   51.047923]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.047944]  netif_close_many (net/core/dev.c:1804)
[   51.047964]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.047988]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.048008]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.048038]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.048060]  cleanup_net (net/core/net_namespace.c:702)
[   51.048078]  process_one_work (kernel/workqueue.c:3314)
[   51.048096]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.048114]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.048135]  kthread (kernel/kthread.c:436)
[   51.048160]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.048184]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.048202]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.048223]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.048296] ------------[ cut here ]------------
| [   51.048325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.048384] Modules linked in: ipvtap ipvlan
| [   51.048466] Tainted: [W]=WARN
[   51.048486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.048521] Workqueue: netns cleanup_net
[   51.048543] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.048570] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.048671] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.048701] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.048744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.048787] RBP: 0000000000000000 R08: ff3addb94191b390 R09: ff3addb9475b802c
[   51.048833] R10: ff3addb9475bb120 R11: fefefefefefefeff R12: 0000000000000000
[   51.048881] R13: 0000000000000010 R14: ff3addb9475bb000 R15: ff3addb941913000
[   51.048927] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.048972] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.049009] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.049054] PKRU: 55555554
[   51.049070] Call Trace:
[   51.049085]  <TASK>
[   51.049100]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.049119]  netif_close_many (net/core/dev.c:1804)
[   51.049142]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.049178]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.049200]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.049232]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.049254]  cleanup_net (net/core/net_namespace.c:702)
[   51.049277]  process_one_work (kernel/workqueue.c:3314)
[   51.049301]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.049324]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.049347]  kthread (kernel/kthread.c:436)
[   51.049371]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.049394]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.049417]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.049440]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.049579] ------------[ cut here ]------------
| [   51.049606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.049673] Modules linked in: ipvtap ipvlan
| [   51.049766] Tainted: [W]=WARN
[   51.049787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.049828] Workqueue: netns cleanup_net
[   51.049850] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.049879] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.049976] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.050007] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.050047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.050088] RBP: 0000000000000000 R08: ff3addb943389010 R09: ff3addb94772502c
[   51.050122] R10: ff3addb9476e5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.050166] R13: 0000000000000011 R14: ff3addb9476e5000 R15: ff3addb941913000
[   51.050209] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.050252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.050284] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.050324] PKRU: 55555554
[   51.050340] Call Trace:
[   51.050354]  <TASK>
[   51.050368]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.050394]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.050423]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.050445]  cleanup_net (net/core/net_namespace.c:702)
[   51.050467]  process_one_work (kernel/workqueue.c:3314)
[   51.050489]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.050510]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.050530]  kthread (kernel/kthread.c:436)
[   51.050552]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.050573]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.050592]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.050616]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.050735] ------------[ cut here ]------------
| [   51.050761] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.050815] Modules linked in: ipvtap ipvlan
| [   51.050898] Tainted: [W]=WARN
[   51.050924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.050961] Workqueue: netns cleanup_net
[   51.050982] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.051012] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.051101] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.051128] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.051176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.051217] RBP: 0000000000000000 R08: ff3addb9444f8190 R09: ff3addb9475d482c
[   51.051254] R10: ff3addb94762e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.051293] R13: 0000000000000011 R14: ff3addb94762e000 R15: ff3addb941913000
[   51.051335] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.051379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.051407] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.051446] PKRU: 55555554
[   51.051458] Call Trace:
[   51.051472]  <TASK>
[   51.051487]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.051514]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.051541]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.051562]  cleanup_net (net/core/net_namespace.c:702)
[   51.051579]  process_one_work (kernel/workqueue.c:3314)
[   51.051600]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.051620]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.051639]  kthread (kernel/kthread.c:436)
[   51.051659]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.051682]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.051704]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.051725]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.051839] ------------[ cut here ]------------
| [   51.051864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.051916] Modules linked in: ipvtap ipvlan
| [   51.051998] Tainted: [W]=WARN
[   51.052018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.052054] Workqueue: netns cleanup_net
[   51.052076] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.052102] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.052202] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.052230] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.052270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.052313] RBP: 0000000000000000 R08: ff3addb94191b390 R09: ff3addb9474f402c
[   51.052357] R10: ff3addb9475bb120 R11: fefefefefefefeff R12: 0000000000000000
[   51.052395] R13: 0000000000000011 R14: ff3addb9475bb000 R15: ff3addb941913000
[   51.052437] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.052481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.052508] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.052549] PKRU: 55555554
[   51.052564] Call Trace:
[   51.052576]  <TASK>
[   51.052589]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.052615]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.052638]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.052660]  cleanup_net (net/core/net_namespace.c:702)
[   51.052682]  process_one_work (kernel/workqueue.c:3314)
[   51.052702]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.052724]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.052742]  kthread (kernel/kthread.c:436)
[   51.052762]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.052783]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.052805]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.052827]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.093031] ------------[ cut here ]------------
| [   51.093068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.093132] Modules linked in: ipvtap ipvlan
| [   51.093233] Tainted: [W]=WARN
[   51.093255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.093287] Workqueue: netns cleanup_net
[   51.093311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.093338] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.093439] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.093470] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.093513] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.093557] RBP: 0000000000000000 R08: ff3addb94194ebd0 R09: ff3addb94a196830
[   51.093599] R10: ff3addb94a1a3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.093643] R13: 0000000000000011 R14: ff3addb94a1a3000 R15: ff3addb941913000
[   51.093696] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.093740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.093777] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.093822] PKRU: 55555554
[   51.093835] Call Trace:
[   51.093847]  <TASK>
[   51.093863]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.093891]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.093914]  cleanup_net (net/core/net_namespace.c:702)
[   51.093940]  process_one_work (kernel/workqueue.c:3314)
[   51.093963]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.093985]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.094005]  kthread (kernel/kthread.c:436)
[   51.094027]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.094050]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.094069]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.094092]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.094241] ------------[ cut here ]------------
| [   51.094271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.094326] Modules linked in: ipvtap ipvlan
| [   51.094412] Tainted: [W]=WARN
[   51.094433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.094469] Workqueue: netns cleanup_net
[   51.094492] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.094521] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.094616] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.094645] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.094687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.094728] RBP: 0000000000000000 R08: ff3addb943196010 R09: ff3addb94a199830
[   51.094769] R10: ff3addb94a18e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.094810] R13: 0000000000000011 R14: ff3addb94a18e000 R15: ff3addb941913000
[   51.094854] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.094897] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.094938] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.094981] PKRU: 55555554
[   51.094996] Call Trace:
[   51.095009]  <TASK>
[   51.095024]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.095053]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.095074]  cleanup_net (net/core/net_namespace.c:702)
[   51.095101]  process_one_work (kernel/workqueue.c:3314)
[   51.095122]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.095142]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.095170]  kthread (kernel/kthread.c:436)
[   51.095193]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.095216]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.095237]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.095260]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.095363] ------------[ cut here ]------------
| [   51.095392] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.095449] Modules linked in: ipvtap ipvlan
| [   51.095532] Tainted: [W]=WARN
[   51.095553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.095585] Workqueue: netns cleanup_net
[   51.095606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.095634] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.095727] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.095755] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.095794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.095832] RBP: 0000000000000000 R08: ff3addb94194e150 R09: ff3addb94a190834
[   51.095869] R10: ff3addb94a189120 R11: fefefefefefefeff R12: 0000000000000000
[   51.095911] R13: 0000000000000011 R14: ff3addb94a189000 R15: ff3addb941913000
[   51.095960] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.096001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.096036] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.096081] PKRU: 55555554
[   51.096096] Call Trace:
[   51.096110]  <TASK>
[   51.096124]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.096161]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.096180]  cleanup_net (net/core/net_namespace.c:702)
[   51.096200]  process_one_work (kernel/workqueue.c:3314)
[   51.096223]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.096244]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.096265]  kthread (kernel/kthread.c:436)
[   51.096287]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.096308]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.096329]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.096350]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.096449] ------------[ cut here ]------------
| [   51.096473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.096517] Modules linked in: ipvtap ipvlan
| [   51.096603] Tainted: [W]=WARN
[   51.096623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.096657] Workqueue: netns cleanup_net
[   51.096679] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.096707] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.096811] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.096842] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.096886] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.096931] RBP: 0000000000000000 R08: ff3addb943396c50 R09: ff3addb94a129030
[   51.096972] R10: ff3addb94a18a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.097013] R13: 0000000000000011 R14: ff3addb94a18a000 R15: ff3addb941913000
[   51.097057] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.097101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.097135] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.097175] PKRU: 55555554
[   51.097189] Call Trace:
[   51.097204]  <TASK>
[   51.097217]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.097246]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.097267]  cleanup_net (net/core/net_namespace.c:702)
[   51.097290]  process_one_work (kernel/workqueue.c:3314)
[   51.097312]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.097334]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.097358]  kthread (kernel/kthread.c:436)
[   51.097380]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.097402]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.097423]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.097445]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.097543] ------------[ cut here ]------------
| [   51.097573] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.097626] Modules linked in: ipvtap ipvlan
| [   51.097708] Tainted: [W]=WARN
[   51.097729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.097767] Workqueue: netns cleanup_net
[   51.097790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.097817] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.097916] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.097943] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.097984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.098027] RBP: 0000000000000000 R08: ff3addb943173810 R09: ff3addb94a181830
[   51.098070] R10: ff3addb94a18b120 R11: fefefefefefefeff R12: 0000000000000000
[   51.098114] R13: 0000000000000011 R14: ff3addb94a18b000 R15: ff3addb941913000
[   51.098161] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.098210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.098247] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.098289] PKRU: 55555554
[   51.098304] Call Trace:
[   51.098319]  <TASK>
[   51.098333]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.098362]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.098384]  cleanup_net (net/core/net_namespace.c:702)
[   51.098405]  process_one_work (kernel/workqueue.c:3314)
[   51.098425]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.098447]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.098471]  kthread (kernel/kthread.c:436)
[   51.098497]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.098519]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.098541]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.098563]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.098670] ------------[ cut here ]------------
| [   51.098699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.098759] Modules linked in: ipvtap ipvlan
| [   51.098839] Tainted: [W]=WARN
[   51.098861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.098896] Workqueue: netns cleanup_net
[   51.098917] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.098951] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.099047] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.099075] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.099118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.099160] RBP: 0000000000000000 R08: ff3addb943002890 R09: ff3addb94a116830
[   51.099200] R10: ff3addb94a122120 R11: fefefefefefefeff R12: 0000000000000000
[   51.099242] R13: 0000000000000011 R14: ff3addb94a122000 R15: ff3addb941913000
[   51.099286] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.099331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.099368] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.099411] PKRU: 55555554
[   51.099425] Call Trace:
[   51.099440]  <TASK>
[   51.099455]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.099481]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.099504]  cleanup_net (net/core/net_namespace.c:702)
[   51.099524]  process_one_work (kernel/workqueue.c:3314)
[   51.099545]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.099568]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.099589]  kthread (kernel/kthread.c:436)
[   51.099611]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.099634]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.099652]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.099673]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.099776] ------------[ cut here ]------------
| [   51.099803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.099862] Modules linked in: ipvtap ipvlan
| [   51.099950] Tainted: [W]=WARN
[   51.099970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.100004] Workqueue: netns cleanup_net
[   51.100026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.100055] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.100158] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.100185] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.100227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.100267] RBP: 0000000000000000 R08: ff3addb94317a090 R09: ff3addb94a119830
[   51.100308] R10: ff3addb94a10d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.100350] R13: 0000000000000011 R14: ff3addb94a10d000 R15: ff3addb941913000
[   51.100394] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.100437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.100472] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.100516] PKRU: 55555554
[   51.100529] Call Trace:
[   51.100543]  <TASK>
[   51.100558]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.100586]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.100609]  cleanup_net (net/core/net_namespace.c:702)
[   51.100631]  process_one_work (kernel/workqueue.c:3314)
[   51.100652]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.100674]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.100695]  kthread (kernel/kthread.c:436)
[   51.100716]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.100738]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.100759]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.100780]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.100883] ------------[ cut here ]------------
| [   51.100908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.100971] Modules linked in: ipvtap ipvlan
| [   51.101056] Tainted: [W]=WARN
[   51.101079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.101119] Workqueue: netns cleanup_net
[   51.101142] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.101176] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.101273] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.101302] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.101344] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.101387] RBP: 0000000000000000 R08: ff3addb943379d50 R09: ff3addb94a110834
[   51.101428] R10: ff3addb94a108120 R11: fefefefefefefeff R12: 0000000000000000
[   51.101473] R13: 0000000000000011 R14: ff3addb94a108000 R15: ff3addb941913000
[   51.101517] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.101551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.101588] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.101630] PKRU: 55555554
[   51.101644] Call Trace:
[   51.101658]  <TASK>
[   51.101671]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.101701]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.101724]  cleanup_net (net/core/net_namespace.c:702)
[   51.101749]  process_one_work (kernel/workqueue.c:3314)
[   51.101772]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.101793]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.101816]  kthread (kernel/kthread.c:436)
[   51.101837]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.101865]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.101891]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.101911]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.102015] ------------[ cut here ]------------
| [   51.102047] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.102105] Modules linked in: ipvtap ipvlan
| [   51.102190] Tainted: [W]=WARN
[   51.102213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.102246] Workqueue: netns cleanup_net
[   51.102269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.102296] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.102394] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.102421] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.102464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.102504] RBP: 0000000000000000 R08: ff3addb943379ed0 R09: ff3addb94a114030
[   51.102545] R10: ff3addb94a109120 R11: fefefefefefefeff R12: 0000000000000000
[   51.102586] R13: 0000000000000011 R14: ff3addb94a109000 R15: ff3addb941913000
[   51.102627] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.102672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.102707] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.102750] PKRU: 55555554
[   51.102764] Call Trace:
[   51.102778]  <TASK>
[   51.102791]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.102820]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.102842]  cleanup_net (net/core/net_namespace.c:702)
[   51.102861]  process_one_work (kernel/workqueue.c:3314)
[   51.102881]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.102900]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.102923]  kthread (kernel/kthread.c:436)
[   51.102947]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.102968]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.102988]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.103012]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.103103] ------------[ cut here ]------------
| [   51.103125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.103189] Modules linked in: ipvtap ipvlan
| [   51.103279] Tainted: [W]=WARN
[   51.103304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.103342] Workqueue: netns cleanup_net
[   51.103367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.103397] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.103489] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.103516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.103558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.103599] RBP: 0000000000000000 R08: ff3addb943379d90 R09: ff3addb94a0fa030
[   51.103641] R10: ff3addb94a10a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.103681] R13: 0000000000000011 R14: ff3addb94a10a000 R15: ff3addb941913000
[   51.103723] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.103767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.103794] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.103835] PKRU: 55555554
[   51.103850] Call Trace:
[   51.103864]  <TASK>
[   51.103877]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.103900]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.103923]  cleanup_net (net/core/net_namespace.c:702)
[   51.103947]  process_one_work (kernel/workqueue.c:3314)
[   51.103969]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.103988]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.104010]  kthread (kernel/kthread.c:436)
[   51.104032]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.104052]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.104074]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.104097]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.104216] ------------[ cut here ]------------
| [   51.104240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.104287] Modules linked in: ipvtap ipvlan
| [   51.104369] Tainted: [W]=WARN
[   51.104392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.104427] Workqueue: netns cleanup_net
[   51.104451] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.104482] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.104578] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.104607] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.104651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.104700] RBP: 0000000000000000 R08: ff3addb94194b950 R09: ff3addb94a06b830
[   51.104742] R10: ff3addb94a073120 R11: fefefefefefefeff R12: 0000000000000000
[   51.104782] R13: 0000000000000011 R14: ff3addb94a073000 R15: ff3addb941913000
[   51.104827] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.104870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.104900] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.104946] PKRU: 55555554
[   51.104961] Call Trace:
[   51.104976]  <TASK>
[   51.104989]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.105020]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.105044]  cleanup_net (net/core/net_namespace.c:702)
[   51.105067]  process_one_work (kernel/workqueue.c:3314)
[   51.105085]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.105108]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.105129]  kthread (kernel/kthread.c:436)
[   51.105161]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.105183]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.105207]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.105229]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.105339] ------------[ cut here ]------------
| [   51.105369] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.105414] Modules linked in: ipvtap ipvlan
| [   51.105493] Tainted: [W]=WARN
[   51.105513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.105551] Workqueue: netns cleanup_net
[   51.105572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.105600] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.105697] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.105726] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.105767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.105810] RBP: 0000000000000000 R08: ff3addb94317a690 R09: ff3addb94a06e830
[   51.105854] R10: ff3addb94a066120 R11: fefefefefefefeff R12: 0000000000000000
[   51.105898] R13: 0000000000000011 R14: ff3addb94a066000 R15: ff3addb941913000
[   51.105942] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.105986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.106023] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.106066] PKRU: 55555554
[   51.106080] Call Trace:
[   51.106094]  <TASK>
[   51.106108]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.106135]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.106159]  cleanup_net (net/core/net_namespace.c:702)
[   51.106188]  process_one_work (kernel/workqueue.c:3314)
[   51.106211]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.106237]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.106260]  kthread (kernel/kthread.c:436)
[   51.106281]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.106303]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.106327]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.106352]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.106458] ------------[ cut here ]------------
| [   51.106487] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.106546] Modules linked in: ipvtap ipvlan
| [   51.106632] Tainted: [W]=WARN
[   51.106656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.106692] Workqueue: netns cleanup_net
[   51.106713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.106743] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.106840] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.106868] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.106910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.106958] RBP: 0000000000000000 R08: ff3addb94317a750 R09: ff3addb94a05d834
[   51.107000] R10: ff3addb94a061120 R11: fefefefefefefeff R12: 0000000000000000
[   51.107044] R13: 0000000000000011 R14: ff3addb94a061000 R15: ff3addb941913000
[   51.107086] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.107129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.107168] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.107208] PKRU: 55555554
[   51.107222] Call Trace:
[   51.107234]  <TASK>
[   51.107249]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.107278]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.107300]  cleanup_net (net/core/net_namespace.c:702)
[   51.107323]  process_one_work (kernel/workqueue.c:3314)
[   51.107345]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.107365]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.107385]  kthread (kernel/kthread.c:436)
[   51.107409]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.107431]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.107449]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.107469]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.107566] ------------[ cut here ]------------
| [   51.107592] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.107639] Modules linked in: ipvtap ipvlan
| [   51.107724] Tainted: [W]=WARN
[   51.107744] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.107779] Workqueue: netns cleanup_net
[   51.107798] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.107827] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.107928] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.107955] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.107999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.108037] RBP: 0000000000000000 R08: ff3addb94194b250 R09: ff3addb94a069030
[   51.108087] R10: ff3addb94a062120 R11: fefefefefefefeff R12: 0000000000000000
[   51.108131] R13: 0000000000000011 R14: ff3addb94a062000 R15: ff3addb941913000
[   51.108181] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.108222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.108257] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.108298] PKRU: 55555554
[   51.108313] Call Trace:
[   51.108325]  <TASK>
[   51.108337]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.108366]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.108386]  cleanup_net (net/core/net_namespace.c:702)
[   51.108408]  process_one_work (kernel/workqueue.c:3314)
[   51.108428]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.108447]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.108470]  kthread (kernel/kthread.c:436)
[   51.108493]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.108515]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.108535]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.108556]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.108650] ------------[ cut here ]------------
| [   51.108676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.108724] Modules linked in: ipvtap ipvlan
| [   51.108808] Tainted: [W]=WARN
[   51.108828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.108863] Workqueue: netns cleanup_net
[   51.108886] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.108912] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.109014] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.109041] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.109077] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.109117] RBP: 0000000000000000 R08: ff3addb94317a3d0 R09: ff3addb94a047030
[   51.109161] R10: ff3addb94a063120 R11: fefefefefefefeff R12: 0000000000000000
[   51.109204] R13: 0000000000000011 R14: ff3addb94a063000 R15: ff3addb941913000
[   51.109247] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.109286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.109320] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.109362] PKRU: 55555554
[   51.109377] Call Trace:
[   51.109390]  <TASK>
[   51.109404]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.109434]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.109455]  cleanup_net (net/core/net_namespace.c:702)
[   51.109474]  process_one_work (kernel/workqueue.c:3314)
[   51.109496]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.109518]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.109541]  kthread (kernel/kthread.c:436)
[   51.109563]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.109586]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.109608]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.109629]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.109733] ------------[ cut here ]------------
| [   51.109760] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.109820] Modules linked in: ipvtap ipvlan
| [   51.109907] Tainted: [W]=WARN
[   51.109936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.109973] Workqueue: netns cleanup_net
[   51.109993] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.110019] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.110118] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.110150] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.110187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.110229] RBP: 0000000000000000 R08: ff3addb943196510 R09: ff3addb9477ac830
[   51.110274] R10: ff3addb9477b3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.110315] R13: 0000000000000011 R14: ff3addb9477b3000 R15: ff3addb941913000
[   51.110358] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.110400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.110435] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.110479] PKRU: 55555554
[   51.110493] Call Trace:
[   51.110510]  <TASK>
[   51.110525]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.110553]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.110574]  cleanup_net (net/core/net_namespace.c:702)
[   51.110597]  process_one_work (kernel/workqueue.c:3314)
[   51.110618]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.110639]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.110662]  kthread (kernel/kthread.c:436)
[   51.110687]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.110709]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.110731]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.110755]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.110863] ------------[ cut here ]------------
| [   51.110888] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.110945] Modules linked in: ipvtap ipvlan
| [   51.111029] Tainted: [W]=WARN
[   51.111049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.111089] Workqueue: netns cleanup_net
[   51.111111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.111139] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.111245] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.111272] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.111313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.111357] RBP: 0000000000000000 R08: ff3addb9431963d0 R09: ff3addb9477af830
[   51.111398] R10: ff3addb9477a6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.111442] R13: 0000000000000011 R14: ff3addb9477a6000 R15: ff3addb941913000
[   51.111493] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.111540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.111580] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.111621] PKRU: 55555554
[   51.111634] Call Trace:
[   51.111649]  <TASK>
[   51.111664]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.111692]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.111713]  cleanup_net (net/core/net_namespace.c:702)
[   51.111735]  process_one_work (kernel/workqueue.c:3314)
[   51.111757]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.111777]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.111799]  kthread (kernel/kthread.c:436)
[   51.111820]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.111842]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.111865]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.111886]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.112000] ------------[ cut here ]------------
| [   51.112029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.112084] Modules linked in: ipvtap ipvlan
| [   51.112177] Tainted: [W]=WARN
[   51.112199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.112235] Workqueue: netns cleanup_net
[   51.112257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.112286] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.112385] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.112416] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.112457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.112497] RBP: 0000000000000000 R08: ff3addb9433896d0 R09: ff3addb94779e834
[   51.112536] R10: ff3addb9477a1120 R11: fefefefefefefeff R12: 0000000000000000
[   51.112576] R13: 0000000000000011 R14: ff3addb9477a1000 R15: ff3addb941913000
[   51.112619] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.112658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.112695] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.112739] PKRU: 55555554
[   51.112754] Call Trace:
[   51.112768]  <TASK>
[   51.112782]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.112811]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.112832]  cleanup_net (net/core/net_namespace.c:702)
[   51.112857]  process_one_work (kernel/workqueue.c:3314)
[   51.112883]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.112905]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.112928]  kthread (kernel/kthread.c:436)
[   51.112952]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.112975]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.112997]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.113019]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.113111] ------------[ cut here ]------------
| [   51.113142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.113204] Modules linked in: ipvtap ipvlan
| [   51.113299] Tainted: [W]=WARN
[   51.113321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.113354] Workqueue: netns cleanup_net
[   51.113374] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.113403] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.113498] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.113531] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.113576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.113619] RBP: 0000000000000000 R08: ff3addb94339cd10 R09: ff3addb9475de030
[   51.113663] R10: ff3addb9477a2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.113705] R13: 0000000000000011 R14: ff3addb9477a2000 R15: ff3addb941913000
[   51.113749] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.113783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.113819] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.113864] PKRU: 55555554
[   51.113879] Call Trace:
[   51.113897]  <TASK>
[   51.113911]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.113940]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.113962]  cleanup_net (net/core/net_namespace.c:702)
[   51.113983]  process_one_work (kernel/workqueue.c:3314)
[   51.114003]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.114024]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.114044]  kthread (kernel/kthread.c:436)
[   51.114065]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.114088]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.114108]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.114128]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.114239] ------------[ cut here ]------------
| [   51.114265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.114321] Modules linked in: ipvtap ipvlan
| [   51.114406] Tainted: [W]=WARN
[   51.114426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.114465] Workqueue: netns cleanup_net
[   51.114489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.114516] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.114616] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.114643] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.114686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.114734] RBP: 0000000000000000 R08: ff3addb94191bd50 R09: ff3addb947798030
[   51.114775] R10: ff3addb9477a3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.114816] R13: 0000000000000011 R14: ff3addb9477a3000 R15: ff3addb941913000
[   51.114858] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.114899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.114939] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.114985] PKRU: 55555554
[   51.114999] Call Trace:
[   51.115014]  <TASK>
[   51.115029]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.115056]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.115077]  cleanup_net (net/core/net_namespace.c:702)
[   51.115105]  process_one_work (kernel/workqueue.c:3314)
[   51.115127]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.115154]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.115177]  kthread (kernel/kthread.c:436)
[   51.115201]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.115223]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.115242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.115266]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.124981] ------------[ cut here ]------------
| [   51.125007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.125057] Modules linked in: ipvtap ipvlan
| [   51.125141] Tainted: [W]=WARN
[   51.125166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.125199] Workqueue: netns cleanup_net
[   51.125224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.125254] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.125348] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.125375] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.125413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.125455] RBP: 0000000000000000 R08: ff3addb9444fec90 R09: ff3addb9477a302c
[   51.125497] R10: ff3addb94a176120 R11: fefefefefefefeff R12: 0000000000000000
[   51.125537] R13: 0000000000000010 R14: ff3addb94a176000 R15: ff3addb941913000
[   51.125579] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.125621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.125655] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.125695] PKRU: 55555554
[   51.125709] Call Trace:
[   51.125722]  <TASK>
[   51.125738]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.125762]  netif_close_many (net/core/dev.c:1804)
[   51.125781]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.125803]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.125831]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.125860]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.125881]  cleanup_net (net/core/net_namespace.c:702)
[   51.125904]  process_one_work (kernel/workqueue.c:3314)
[   51.125931]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.125955]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.125973]  kthread (kernel/kthread.c:436)
[   51.125999]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.126016]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.126041]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.126058]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.126158] ------------[ cut here ]------------
| [   51.126184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.126248] Modules linked in: ipvtap ipvlan
| [   51.126320] Tainted: [W]=WARN
[   51.126341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.126371] Workqueue: netns cleanup_net
[   51.126394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.126421] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.126520] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.126544] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.126584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.126627] RBP: 0000000000000000 R08: ff3addb943379fd0 R09: ff3addb9477a302c
[   51.126667] R10: ff3addb94770d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.126709] R13: 0000000000000010 R14: ff3addb94770d000 R15: ff3addb941913000
[   51.126753] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.126795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.126822] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.126862] PKRU: 55555554
[   51.126877] Call Trace:
[   51.126891]  <TASK>
[   51.126907]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.126932]  netif_close_many (net/core/dev.c:1804)
[   51.126955]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.126982]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.127005]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.127038]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.127059]  cleanup_net (net/core/net_namespace.c:702)
[   51.127079]  process_one_work (kernel/workqueue.c:3314)
[   51.127102]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.127124]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.127153]  kthread (kernel/kthread.c:436)
[   51.127177]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.127198]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.127220]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.127238]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.127310] ------------[ cut here ]------------
| [   51.127335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.127390] Modules linked in: ipvtap ipvlan
| [   51.127472] Tainted: [W]=WARN
[   51.127492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.127519] Workqueue: netns cleanup_net
[   51.127539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.127570] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.127664] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.127693] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.127731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.127774] RBP: 0000000000000000 R08: ff3addb944538510 R09: ff3addb9477a302c
[   51.127815] R10: ff3addb94a04e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.127860] R13: 0000000000000010 R14: ff3addb94a04e000 R15: ff3addb941913000
[   51.127900] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.127941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.127977] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.128018] PKRU: 55555554
[   51.128032] Call Trace:
[   51.128046]  <TASK>
[   51.128060]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.128081]  netif_close_many (net/core/dev.c:1804)
[   51.128098]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.128129]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.128158]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.128189]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.128210]  cleanup_net (net/core/net_namespace.c:702)
[   51.128230]  process_one_work (kernel/workqueue.c:3314)
[   51.128251]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.128273]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.128295]  kthread (kernel/kthread.c:436)
[   51.128316]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.128334]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.128355]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.128374]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.128445] ------------[ cut here ]------------
| [   51.128484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.128540] Modules linked in: ipvtap ipvlan
| [   51.128624] Tainted: [W]=WARN
[   51.128645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.128679] Workqueue: netns cleanup_net
[   51.128699] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.128727] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.128817] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.128844] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.128880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.128925] RBP: 0000000000000000 R08: ff3addb94317a010 R09: ff3addb9477a302c
[   51.128968] R10: ff3addb9475e6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.129016] R13: 0000000000000010 R14: ff3addb9475e6000 R15: ff3addb941913000
[   51.129057] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.129099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.129134] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.129180] PKRU: 55555554
[   51.129194] Call Trace:
[   51.129208]  <TASK>
[   51.129222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.129243]  netif_close_many (net/core/dev.c:1804)
[   51.129266]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.129297]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.129323]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.129353]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.129373]  cleanup_net (net/core/net_namespace.c:702)
[   51.129394]  process_one_work (kernel/workqueue.c:3314)
[   51.129414]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.129438]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.129461]  kthread (kernel/kthread.c:436)
[   51.129484]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.129507]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.129528]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.129550]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.129672] ------------[ cut here ]------------
| [   51.129700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.129751] Modules linked in: ipvtap ipvlan
| [   51.129831] Tainted: [W]=WARN
[   51.129852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.129886] Workqueue: netns cleanup_net
[   51.129910] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.129940] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.130031] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.130054] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.130096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.130134] RBP: 0000000000000000 R08: ff3addb9444fec90 R09: ff3addb94a18282c
[   51.130178] R10: ff3addb94a176120 R11: fefefefefefefeff R12: 0000000000000000
[   51.130215] R13: 0000000000000011 R14: ff3addb94a176000 R15: ff3addb941913000
[   51.130262] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.130305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.130336] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.130378] PKRU: 55555554
[   51.130392] Call Trace:
[   51.130405]  <TASK>
[   51.130417]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.130445]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.130472]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.130493]  cleanup_net (net/core/net_namespace.c:702)
[   51.130516]  process_one_work (kernel/workqueue.c:3314)
[   51.130535]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.130555]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.130575]  kthread (kernel/kthread.c:436)
[   51.130597]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.130617]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.130637]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.130660]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.130775] ------------[ cut here ]------------
| [   51.130802] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.130844] Modules linked in: ipvtap ipvlan
| [   51.130937] Tainted: [W]=WARN
[   51.130956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.130990] Workqueue: netns cleanup_net
[   51.131011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.131037] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.131131] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.131164] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.131213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.131256] RBP: 0000000000000000 R08: ff3addb943379fd0 R09: ff3addb94a0fb82c
[   51.131299] R10: ff3addb94770d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.131340] R13: 0000000000000011 R14: ff3addb94770d000 R15: ff3addb941913000
[   51.131388] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.131428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.131465] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.131507] PKRU: 55555554
[   51.131521] Call Trace:
[   51.131535]  <TASK>
[   51.131550]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.131577]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.131603]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.131623]  cleanup_net (net/core/net_namespace.c:702)
[   51.131645]  process_one_work (kernel/workqueue.c:3314)
[   51.131667]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.131688]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.131708]  kthread (kernel/kthread.c:436)
[   51.131726]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.131747]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.131766]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.131788]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.131898] ------------[ cut here ]------------
| [   51.131926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.131978] Modules linked in: ipvtap ipvlan
| [   51.132065] Tainted: [W]=WARN
[   51.132087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.132120] Workqueue: netns cleanup_net
[   51.132143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.132179] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.132277] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.132304] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.132347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.132389] RBP: 0000000000000000 R08: ff3addb944538510 R09: ff3addb94a05882c
[   51.132430] R10: ff3addb94a04e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.132470] R13: 0000000000000011 R14: ff3addb94a04e000 R15: ff3addb941913000
[   51.132511] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.132555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.132590] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.132633] PKRU: 55555554
[   51.132647] Call Trace:
[   51.132662]  <TASK>
[   51.132674]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.132702]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.132729]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.132750]  cleanup_net (net/core/net_namespace.c:702)
[   51.132772]  process_one_work (kernel/workqueue.c:3314)
[   51.132791]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.132810]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.132832]  kthread (kernel/kthread.c:436)
[   51.132854]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.132876]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.132898]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.132923]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.133242] ------------[ cut here ]------------
| [   51.133270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.133322] Modules linked in: ipvtap ipvlan
| [   51.133404] Tainted: [W]=WARN
[   51.133426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.133462] Workqueue: netns cleanup_net
[   51.133487] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.133515] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.133606] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.133632] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.133674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.133711] RBP: 0000000000000000 R08: ff3addb94317a010 R09: ff3addb94779982c
[   51.133751] R10: ff3addb9475e6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.133793] R13: 0000000000000011 R14: ff3addb9475e6000 R15: ff3addb941913000
[   51.133835] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.133877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.133914] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.133961] PKRU: 55555554
[   51.133974] Call Trace:
[   51.133987]  <TASK>
[   51.134001]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.134029]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.134056]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.134079]  cleanup_net (net/core/net_namespace.c:702)
[   51.134101]  process_one_work (kernel/workqueue.c:3314)
[   51.134124]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.134150]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.134173]  kthread (kernel/kthread.c:436)
[   51.134196]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.134215]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.134238]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.134260]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.182026] ------------[ cut here ]------------
| [   51.182065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.182113] Modules linked in: ipvtap ipvlan
| [   51.182200] Tainted: [W]=WARN
[   51.182221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.182253] Workqueue: netns cleanup_net
[   51.182280] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.182309] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.182404] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.182428] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.182469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.182505] RBP: 0000000000000000 R08: ff3addb94a339890 R09: ff3addb94a514830
[   51.182545] R10: ff3addb94a519120 R11: fefefefefefefeff R12: 0000000000000000
[   51.182583] R13: 0000000000000011 R14: ff3addb94a519000 R15: ff3addb941913000
[   51.182626] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.182673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.182706] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.182745] PKRU: 55555554
[   51.182760] Call Trace:
[   51.182776]  <TASK>
[   51.182788]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.182817]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.182842]  cleanup_net (net/core/net_namespace.c:702)
[   51.182863]  process_one_work (kernel/workqueue.c:3314)
[   51.182886]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.182906]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.182932]  kthread (kernel/kthread.c:436)
[   51.182962]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.182990]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.183011]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.183029]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.183144] ------------[ cut here ]------------
| [   51.183175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.183231] Modules linked in: ipvtap ipvlan
| [   51.183307] Tainted: [W]=WARN
[   51.183331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.183358] Workqueue: netns cleanup_net
[   51.183382] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.183412] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.183501] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.183525] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.183565] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.183602] RBP: 0000000000000000 R08: ff3addb943173490 R09: ff3addb94a517830
[   51.183645] R10: ff3addb94a50c120 R11: fefefefefefefeff R12: 0000000000000000
[   51.183689] R13: 0000000000000011 R14: ff3addb94a50c000 R15: ff3addb941913000
[   51.183730] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.183769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.183806] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.183846] PKRU: 55555554
[   51.183861] Call Trace:
[   51.183873]  <TASK>
[   51.183884]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.183911]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.183938]  cleanup_net (net/core/net_namespace.c:702)
[   51.183958]  process_one_work (kernel/workqueue.c:3314)
[   51.183981]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.184004]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.184024]  kthread (kernel/kthread.c:436)
[   51.184048]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.184069]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.184097]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.184123]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.184232] ------------[ cut here ]------------
| [   51.184259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.184303] Modules linked in: ipvtap ipvlan
| [   51.184387] Tainted: [W]=WARN
[   51.184406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.184443] Workqueue: netns cleanup_net
[   51.184463] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.184495] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.184589] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.184613] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.184661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.184703] RBP: 0000000000000000 R08: ff3addb9444fed10 R09: ff3addb94a506834
[   51.184745] R10: ff3addb94a50f120 R11: fefefefefefefeff R12: 0000000000000000
[   51.184789] R13: 0000000000000011 R14: ff3addb94a50f000 R15: ff3addb941913000
[   51.184842] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.184883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.184916] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.184960] PKRU: 55555554
[   51.184981] Call Trace:
[   51.184996]  <TASK>
[   51.185015]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.185042]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.185063]  cleanup_net (net/core/net_namespace.c:702)
[   51.185087]  process_one_work (kernel/workqueue.c:3314)
[   51.185109]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.185129]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.185153]  kthread (kernel/kthread.c:436)
[   51.185177]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.185199]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.185222]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.185245]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.185344] ------------[ cut here ]------------
| [   51.185377] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.185435] Modules linked in: ipvtap ipvlan
| [   51.185525] Tainted: [W]=WARN
[   51.185551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.185587] Workqueue: netns cleanup_net
[   51.185611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.185639] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.185736] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.185763] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.185796] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.185835] RBP: 0000000000000000 R08: ff3addb94a4132d0 R09: ff3addb94a4f6030
[   51.185878] R10: ff3addb94a508120 R11: fefefefefefefeff R12: 0000000000000000
[   51.185928] R13: 0000000000000011 R14: ff3addb94a508000 R15: ff3addb941913000
[   51.185973] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.186016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.186050] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.186094] PKRU: 55555554
[   51.186108] Call Trace:
[   51.186122]  <TASK>
[   51.186135]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.186167]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.186190]  cleanup_net (net/core/net_namespace.c:702)
[   51.186213]  process_one_work (kernel/workqueue.c:3314)
[   51.186236]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.186258]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.186279]  kthread (kernel/kthread.c:436)
[   51.186298]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.186321]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.186342]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.186367]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.186465] ------------[ cut here ]------------
| [   51.186494] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.186552] Modules linked in: ipvtap ipvlan
| [   51.186638] Tainted: [W]=WARN
[   51.186658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.186696] Workqueue: netns cleanup_net
[   51.186719] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.186747] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.186845] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.186876] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.186918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.186965] RBP: 0000000000000000 R08: ff3addb94a4c4a50 R09: ff3addb94a2ce030
[   51.187005] R10: ff3addb94a509120 R11: fefefefefefefeff R12: 0000000000000000
[   51.187045] R13: 0000000000000011 R14: ff3addb94a509000 R15: ff3addb941913000
[   51.187087] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.187127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.187167] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.187211] PKRU: 55555554
[   51.187226] Call Trace:
[   51.187240]  <TASK>
[   51.187253]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.187284]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.187308]  cleanup_net (net/core/net_namespace.c:702)
[   51.187328]  process_one_work (kernel/workqueue.c:3314)
[   51.187350]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.187371]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.187392]  kthread (kernel/kthread.c:436)
[   51.187412]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.187435]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.187457]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.187480]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.187585] ------------[ cut here ]------------
| [   51.187613] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.187664] Modules linked in: ipvtap ipvlan
| [   51.187750] Tainted: [W]=WARN
[   51.187773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.187813] Workqueue: netns cleanup_net
[   51.187833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.187861] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.187965] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.187987] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.188029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.188073] RBP: 0000000000000000 R08: ff3addb94a243110 R09: ff3addb94a45e830
[   51.188113] R10: ff3addb94a460120 R11: fefefefefefefeff R12: 0000000000000000
[   51.188154] R13: 0000000000000011 R14: ff3addb94a460000 R15: ff3addb941913000
[   51.188201] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.188244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.188276] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.188317] PKRU: 55555554
[   51.188331] Call Trace:
[   51.188343]  <TASK>
[   51.188357]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.188383]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.188403]  cleanup_net (net/core/net_namespace.c:702)
[   51.188425]  process_one_work (kernel/workqueue.c:3314)
[   51.188447]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.188492]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.188515]  kthread (kernel/kthread.c:436)
[   51.188540]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.188558]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.188578]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.188601]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.188705] ------------[ cut here ]------------
| [   51.188730] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.188788] Modules linked in: ipvtap ipvlan
| [   51.188870] Tainted: [W]=WARN
[   51.188890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.188927] Workqueue: netns cleanup_net
[   51.188950] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.188978] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.189071] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.189100] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.189141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.189188] RBP: 0000000000000000 R08: ff3addb9431931d0 R09: ff3addb94a469830
[   51.189230] R10: ff3addb94a463120 R11: fefefefefefefeff R12: 0000000000000000
[   51.189270] R13: 0000000000000011 R14: ff3addb94a463000 R15: ff3addb941913000
[   51.189310] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.189352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.189388] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.189432] PKRU: 55555554
[   51.189447] Call Trace:
[   51.189462]  <TASK>
[   51.189474]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.189500]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.189523]  cleanup_net (net/core/net_namespace.c:702)
[   51.189545]  process_one_work (kernel/workqueue.c:3314)
[   51.189566]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.189587]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.189607]  kthread (kernel/kthread.c:436)
[   51.189630]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.189651]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.189675]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.189694]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.189796] ------------[ cut here ]------------
| [   51.189827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.189884] Modules linked in: ipvtap ipvlan
| [   51.189976] Tainted: [W]=WARN
[   51.189999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.190038] Workqueue: netns cleanup_net
[   51.190061] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.190089] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.190184] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.190207] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.190247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.190288] RBP: 0000000000000000 R08: ff3addb94194b0d0 R09: ff3addb94a458834
[   51.190327] R10: ff3addb94a456120 R11: fefefefefefefeff R12: 0000000000000000
[   51.190374] R13: 0000000000000011 R14: ff3addb94a456000 R15: ff3addb941913000
[   51.190410] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.190450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.190485] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.190526] PKRU: 55555554
[   51.190540] Call Trace:
[   51.190554]  <TASK>
[   51.190567]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.190592]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.190614]  cleanup_net (net/core/net_namespace.c:702)
[   51.190635]  process_one_work (kernel/workqueue.c:3314)
[   51.190655]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.190677]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.190699]  kthread (kernel/kthread.c:436)
[   51.190719]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.190742]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.190764]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.190782]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.190877] ------------[ cut here ]------------
| [   51.190904] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.190976] Modules linked in: ipvtap ipvlan
| [   51.191057] Tainted: [W]=WARN
[   51.191078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.191115] Workqueue: netns cleanup_net
[   51.191138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.191170] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.191261] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.191290] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.191333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.191379] RBP: 0000000000000000 R08: ff3addb94337d990 R09: ff3addb94a45c030
[   51.191411] R10: ff3addb94a457120 R11: fefefefefefefeff R12: 0000000000000000
[   51.191449] R13: 0000000000000011 R14: ff3addb94a457000 R15: ff3addb941913000
[   51.191491] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.191531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.191565] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.191608] PKRU: 55555554
[   51.191622] Call Trace:
[   51.191637]  <TASK>
[   51.191651]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.191678]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.191700]  cleanup_net (net/core/net_namespace.c:702)
[   51.191719]  process_one_work (kernel/workqueue.c:3314)
[   51.191741]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.191764]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.191781]  kthread (kernel/kthread.c:436)
[   51.191802]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.191822]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.191844]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.191865]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.191970] ------------[ cut here ]------------
| [   51.191996] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.192054] Modules linked in: ipvtap ipvlan
| [   51.192142] Tainted: [W]=WARN
[   51.192165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.192201] Workqueue: netns cleanup_net
[   51.192225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.192252] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.192350] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.192374] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.192412] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.192456] RBP: 0000000000000000 R08: ff3addb943173310 R09: ff3addb94a43a030
[   51.192500] R10: ff3addb94a450120 R11: fefefefefefefeff R12: 0000000000000000
[   51.192540] R13: 0000000000000011 R14: ff3addb94a450000 R15: ff3addb941913000
[   51.192581] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.192626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.192657] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.192698] PKRU: 55555554
[   51.192711] Call Trace:
[   51.192724]  <TASK>
[   51.192739]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.192768]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.192787]  cleanup_net (net/core/net_namespace.c:702)
[   51.192807]  process_one_work (kernel/workqueue.c:3314)
[   51.192827]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.192851]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.192877]  kthread (kernel/kthread.c:436)
[   51.192899]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.192923]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.192945]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.192969]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.193076] ------------[ cut here ]------------
| [   51.193102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.193169] Modules linked in: ipvtap ipvlan
| [   51.193260] Tainted: [W]=WARN
[   51.193280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.193315] Workqueue: netns cleanup_net
[   51.193338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.193364] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.193460] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.193488] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.193527] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.193573] RBP: 0000000000000000 R08: ff3addb94339cb10 R09: ff3addb94a3ea830
[   51.193613] R10: ff3addb94a3e7120 R11: fefefefefefefeff R12: 0000000000000000
[   51.193649] R13: 0000000000000011 R14: ff3addb94a3e7000 R15: ff3addb941913000
[   51.193689] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.193731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.193766] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.193807] PKRU: 55555554
[   51.193821] Call Trace:
[   51.193839]  <TASK>
[   51.193853]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.193881]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.193901]  cleanup_net (net/core/net_namespace.c:702)
[   51.193926]  process_one_work (kernel/workqueue.c:3314)
[   51.193948]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.193973]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.193995]  kthread (kernel/kthread.c:436)
[   51.194018]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.194041]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.194063]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.194083]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.194184] ------------[ cut here ]------------
| [   51.194216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.194268] Modules linked in: ipvtap ipvlan
| [   51.194348] Tainted: [W]=WARN
[   51.194369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.194403] Workqueue: netns cleanup_net
[   51.194426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.194455] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.194554] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.194583] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.194625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.194668] RBP: 0000000000000000 R08: ff3addb943200690 R09: ff3addb94a3d9830
[   51.194711] R10: ff3addb94a3e2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.194752] R13: 0000000000000011 R14: ff3addb94a3e2000 R15: ff3addb941913000
[   51.194793] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.194834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.194871] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.194910] PKRU: 55555554
[   51.194923] Call Trace:
[   51.194939]  <TASK>
[   51.194953]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.194979]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.195000]  cleanup_net (net/core/net_namespace.c:702)
[   51.195022]  process_one_work (kernel/workqueue.c:3314)
[   51.195047]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.195068]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.195087]  kthread (kernel/kthread.c:436)
[   51.195109]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.195130]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.195153]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.195177]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.195279] ------------[ cut here ]------------
| [   51.195305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.195348] Modules linked in: ipvtap ipvlan
| [   51.195435] Tainted: [W]=WARN
[   51.195454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.195493] Workqueue: netns cleanup_net
[   51.195514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.195540] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.195635] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.195662] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.195696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.195736] RBP: 0000000000000000 R08: ff3addb94451f650 R09: ff3addb94a3dc834
[   51.195779] R10: ff3addb94a3d5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.195822] R13: 0000000000000011 R14: ff3addb94a3d5000 R15: ff3addb941913000
[   51.195865] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.195911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.195951] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.195996] PKRU: 55555554
[   51.196012] Call Trace:
[   51.196030]  <TASK>
[   51.196045]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.196074]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.196095]  cleanup_net (net/core/net_namespace.c:702)
[   51.196116]  process_one_work (kernel/workqueue.c:3314)
[   51.196137]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.196159]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.196178]  kthread (kernel/kthread.c:436)
[   51.196199]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.196220]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.196242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.196264]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.196360] ------------[ cut here ]------------
| [   51.196386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.196440] Modules linked in: ipvtap ipvlan
| [   51.196521] Tainted: [W]=WARN
[   51.196543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.196577] Workqueue: netns cleanup_net
[   51.196599] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.196627] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.196721] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.196747] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.196788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.196831] RBP: 0000000000000000 R08: ff3addb943357bd0 R09: ff3addb94a3c4030
[   51.196872] R10: ff3addb94a3d6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.196914] R13: 0000000000000011 R14: ff3addb94a3d6000 R15: ff3addb941913000
[   51.196958] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.196999] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.197030] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.197069] PKRU: 55555554
[   51.197083] Call Trace:
[   51.197097]  <TASK>
[   51.197112]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.197141]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.197168]  cleanup_net (net/core/net_namespace.c:702)
[   51.197191]  process_one_work (kernel/workqueue.c:3314)
[   51.197212]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.197232]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.197254]  kthread (kernel/kthread.c:436)
[   51.197276]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.197301]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.197323]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.197345]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.197446] ------------[ cut here ]------------
| [   51.197475] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.197531] Modules linked in: ipvtap ipvlan
| [   51.197616] Tainted: [W]=WARN
[   51.197637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.197669] Workqueue: netns cleanup_net
[   51.197693] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.197721] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.197819] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.197848] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.197892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.197938] RBP: 0000000000000000 R08: ff3addb943396ad0 R09: ff3addb94a3c6030
[   51.197977] R10: ff3addb94a3d7120 R11: fefefefefefefeff R12: 0000000000000000
[   51.198018] R13: 0000000000000011 R14: ff3addb94a3d7000 R15: ff3addb941913000
[   51.198062] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.198107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.198143] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.198191] PKRU: 55555554
[   51.198204] Call Trace:
[   51.198219]  <TASK>
[   51.198234]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.198261]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.198281]  cleanup_net (net/core/net_namespace.c:702)
[   51.198303]  process_one_work (kernel/workqueue.c:3314)
[   51.198325]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.198347]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.198368]  kthread (kernel/kthread.c:436)
[   51.198391]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.198411]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.198434]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.198454]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.198559] ------------[ cut here ]------------
| [   51.198585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.198636] Modules linked in: ipvtap ipvlan
| [   51.198722] Tainted: [W]=WARN
[   51.198743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.198778] Workqueue: netns cleanup_net
[   51.198800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.198829] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.198931] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.198962] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.199005] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.199047] RBP: 0000000000000000 R08: ff3addb943193450 R09: ff3addb94a2ba030
[   51.199089] R10: ff3addb94a2c0120 R11: fefefefefefefeff R12: 0000000000000000
[   51.199132] R13: 0000000000000011 R14: ff3addb94a2c0000 R15: ff3addb941913000
[   51.199178] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.199220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.199257] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.199295] PKRU: 55555554
[   51.199309] Call Trace:
[   51.199324]  <TASK>
[   51.199339]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.199371]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.199395]  cleanup_net (net/core/net_namespace.c:702)
[   51.199418]  process_one_work (kernel/workqueue.c:3314)
[   51.199438]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.199458]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.199479]  kthread (kernel/kthread.c:436)
[   51.199501]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.199523]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.199545]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.199568]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.199670] ------------[ cut here ]------------
| [   51.199697] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.199754] Modules linked in: ipvtap ipvlan
| [   51.199844] Tainted: [W]=WARN
[   51.199865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.199902] Workqueue: netns cleanup_net
[   51.199932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.199962] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.200057] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.200086] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.200128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.200175] RBP: 0000000000000000 R08: ff3addb94194ef50 R09: ff3addb94a2bd030
[   51.200215] R10: ff3addb94a2c3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.200255] R13: 0000000000000011 R14: ff3addb94a2c3000 R15: ff3addb941913000
[   51.200296] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.200339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.200374] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.200414] PKRU: 55555554
[   51.200427] Call Trace:
[   51.200442]  <TASK>
[   51.200454]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.200481]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.200503]  cleanup_net (net/core/net_namespace.c:702)
[   51.200524]  process_one_work (kernel/workqueue.c:3314)
[   51.200545]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.200567]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.200586]  kthread (kernel/kthread.c:436)
[   51.200606]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.200626]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.200649]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.200671]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.200786] ------------[ cut here ]------------
| [   51.200816] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.200861] Modules linked in: ipvtap ipvlan
| [   51.200948] Tainted: [W]=WARN
[   51.200971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.201004] Workqueue: netns cleanup_net
[   51.201024] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.201051] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.201151] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.201179] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.201219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.201256] RBP: 0000000000000000 R08: ff3addb94194ee90 R09: ff3addb94a2a4034
[   51.201294] R10: ff3addb94a2b6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.201333] R13: 0000000000000011 R14: ff3addb94a2b6000 R15: ff3addb941913000
[   51.201374] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.201413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.201445] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.201485] PKRU: 55555554
[   51.201499] Call Trace:
[   51.201512]  <TASK>
[   51.201525]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.201553]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.201575]  cleanup_net (net/core/net_namespace.c:702)
[   51.201597]  process_one_work (kernel/workqueue.c:3314)
[   51.201619]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.201638]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.201660]  kthread (kernel/kthread.c:436)
[   51.201683]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.201702]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.201722]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.201745]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.201844] ------------[ cut here ]------------
| [   51.201873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.201932] Modules linked in: ipvtap ipvlan
| [   51.202014] Tainted: [W]=WARN
[   51.202034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.202071] Workqueue: netns cleanup_net
[   51.202094] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.202121] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.202216] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.202242] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.202287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.202327] RBP: 0000000000000000 R08: ff3addb9418c1150 R09: ff3addb94a2a7830
[   51.202371] R10: ff3addb94a2b7120 R11: fefefefefefefeff R12: 0000000000000000
[   51.202412] R13: 0000000000000011 R14: ff3addb94a2b7000 R15: ff3addb941913000
[   51.202461] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.202499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.202531] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.202572] PKRU: 55555554
[   51.202586] Call Trace:
[   51.202598]  <TASK>
[   51.202612]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.202641]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.202662]  cleanup_net (net/core/net_namespace.c:702)
[   51.202685]  process_one_work (kernel/workqueue.c:3314)
[   51.202704]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.202726]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.202746]  kthread (kernel/kthread.c:436)
[   51.202767]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.202789]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.202811]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.202833]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.202933] ------------[ cut here ]------------
| [   51.202960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.203005] Modules linked in: ipvtap ipvlan
| [   51.203088] Tainted: [W]=WARN
[   51.203110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.203149] Workqueue: netns cleanup_net
[   51.203172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.203202] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.203299] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.203327] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.203371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.203413] RBP: 0000000000000000 R08: ff3addb9418c12d0 R09: ff3addb947703030
[   51.203454] R10: ff3addb94a2b0120 R11: fefefefefefefeff R12: 0000000000000000
[   51.203494] R13: 0000000000000011 R14: ff3addb94a2b0000 R15: ff3addb941913000
[   51.203537] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.203577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.203611] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.203653] PKRU: 55555554
[   51.203670] Call Trace:
[   51.203683]  <TASK>
[   51.203697]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.203727]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.203748]  cleanup_net (net/core/net_namespace.c:702)
[   51.203769]  process_one_work (kernel/workqueue.c:3314)
[   51.203788]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.203808]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.203829]  kthread (kernel/kthread.c:436)
[   51.203851]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.203873]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.203892]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.203910]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.204032] ------------[ cut here ]------------
| [   51.204059] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.204120] Modules linked in: ipvtap ipvlan
| [   51.204209] Tainted: [W]=WARN
[   51.204234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.204270] Workqueue: netns cleanup_net
[   51.204290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.204318] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.204415] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.204443] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.204487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.204527] RBP: 0000000000000000 R08: ff3addb94194be90 R09: ff3addb94a287030
[   51.204566] R10: ff3addb94a27e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.204605] R13: 0000000000000011 R14: ff3addb94a27e000 R15: ff3addb941913000
[   51.204653] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.204695] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.204729] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.204770] PKRU: 55555554
[   51.204783] Call Trace:
[   51.204794]  <TASK>
[   51.204809]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.204837]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.204860]  cleanup_net (net/core/net_namespace.c:702)
[   51.204882]  process_one_work (kernel/workqueue.c:3314)
[   51.204903]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.204926]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.204947]  kthread (kernel/kthread.c:436)
[   51.204969]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.204991]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.205013]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.205033]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.205134] ------------[ cut here ]------------
| [   51.205164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.205221] Modules linked in: ipvtap ipvlan
| [   51.205313] Tainted: [W]=WARN
[   51.205334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.205365] Workqueue: netns cleanup_net
[   51.205388] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.205417] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.205514] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.205544] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.205584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.205626] RBP: 0000000000000000 R08: ff3addb94451f090 R09: ff3addb94a276030
[   51.205669] R10: ff3addb94a279120 R11: fefefefefefefeff R12: 0000000000000000
[   51.205712] R13: 0000000000000011 R14: ff3addb94a279000 R15: ff3addb941913000
[   51.205756] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.205799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.205833] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.205870] PKRU: 55555554
[   51.205887] Call Trace:
[   51.205900]  <TASK>
[   51.205915]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.205947]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.205972]  cleanup_net (net/core/net_namespace.c:702)
[   51.205995]  process_one_work (kernel/workqueue.c:3314)
[   51.206018]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.206039]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.206059]  kthread (kernel/kthread.c:436)
[   51.206080]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.206103]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.206121]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.206141]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.206247] ------------[ cut here ]------------
| [   51.206269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.206325] Modules linked in: ipvtap ipvlan
| [   51.206402] Tainted: [W]=WARN
[   51.206424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.206459] Workqueue: netns cleanup_net
[   51.206480] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.206509] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.206605] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.206634] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.206675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.206723] RBP: 0000000000000000 R08: ff3addb9418c1310 R09: ff3addb94a281034
[   51.206767] R10: ff3addb94a264120 R11: fefefefefefefeff R12: 0000000000000000
[   51.206808] R13: 0000000000000011 R14: ff3addb94a264000 R15: ff3addb941913000
[   51.206851] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.206890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.206925] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.206967] PKRU: 55555554
[   51.206981] Call Trace:
[   51.206996]  <TASK>
[   51.207011]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.207038]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.207060]  cleanup_net (net/core/net_namespace.c:702)
[   51.207081]  process_one_work (kernel/workqueue.c:3314)
[   51.207102]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.207121]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.207141]  kthread (kernel/kthread.c:436)
[   51.207169]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.207192]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.207214]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.207238]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.207331] ------------[ cut here ]------------
| [   51.207357] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.207410] Modules linked in: ipvtap ipvlan
| [   51.207490] Tainted: [W]=WARN
[   51.207510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.207546] Workqueue: netns cleanup_net
[   51.207568] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.207597] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.207696] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.207725] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.207767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.207812] RBP: 0000000000000000 R08: ff3addb9418c1410 R09: ff3addb94a270830
[   51.207860] R10: ff3addb94a265120 R11: fefefefefefefeff R12: 0000000000000000
[   51.207898] R13: 0000000000000011 R14: ff3addb94a265000 R15: ff3addb941913000
[   51.207945] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.207986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.208020] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.208063] PKRU: 55555554
[   51.208075] Call Trace:
[   51.208089]  <TASK>
[   51.208103]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.208133]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.208157]  cleanup_net (net/core/net_namespace.c:702)
[   51.208178]  process_one_work (kernel/workqueue.c:3314)
[   51.208199]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.208220]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.208242]  kthread (kernel/kthread.c:436)
[   51.208262]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.208284]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.208306]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.208329]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.208433] ------------[ cut here ]------------
| [   51.208459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.208518] Modules linked in: ipvtap ipvlan
| [   51.208601] Tainted: [W]=WARN
[   51.208621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.208659] Workqueue: netns cleanup_net
[   51.208681] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.208711] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.208803] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.208833] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.208873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.208916] RBP: 0000000000000000 R08: ff3addb943196a90 R09: ff3addb94a272830
[   51.208958] R10: ff3addb94a266120 R11: fefefefefefefeff R12: 0000000000000000
[   51.208999] R13: 0000000000000011 R14: ff3addb94a266000 R15: ff3addb941913000
[   51.209038] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.209083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.209119] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.209168] PKRU: 55555554
[   51.209183] Call Trace:
[   51.209194]  <TASK>
[   51.209208]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.209238]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.209261]  cleanup_net (net/core/net_namespace.c:702)
[   51.209283]  process_one_work (kernel/workqueue.c:3314)
[   51.209302]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.209321]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.209340]  kthread (kernel/kthread.c:436)
[   51.209360]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.209383]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.209404]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.209424]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.215988] ------------[ cut here ]------------
| [   51.216024] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.216084] Modules linked in: ipvtap ipvlan
| [   51.216172] Tainted: [W]=WARN
[   51.216192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.216229] Workqueue: netns cleanup_net
[   51.216253] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.216279] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.216383] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.216410] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.216453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.216492] RBP: 0000000000000000 R08: ff3addb94a4c4b10 R09: ff3addb94a26602c
[   51.216534] R10: ff3addb94a4ec120 R11: fefefefefefefeff R12: 0000000000000000
[   51.216573] R13: 0000000000000010 R14: ff3addb94a4ec000 R15: ff3addb941913000
[   51.216615] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.216657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.216688] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.216733] PKRU: 55555554
[   51.216746] Call Trace:
[   51.216761]  <TASK>
[   51.216778]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.216800]  netif_close_many (net/core/dev.c:1804)
[   51.216824]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.216857]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.216878]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.216905]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.216933]  cleanup_net (net/core/net_namespace.c:702)
[   51.216956]  process_one_work (kernel/workqueue.c:3314)
[   51.216980]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.217002]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.217023]  kthread (kernel/kthread.c:436)
[   51.217041]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.217061]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.217082]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.217104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.217194] ------------[ cut here ]------------
| [   51.217220] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.217268] Modules linked in: ipvtap ipvlan
| [   51.217351] Tainted: [W]=WARN
[   51.217377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.217414] Workqueue: netns cleanup_net
[   51.217432] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.217463] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.217560] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.217590] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.217631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.217677] RBP: 0000000000000000 R08: ff3addb9418cc010 R09: ff3addb94a26602c
[   51.217721] R10: ff3addb94a453120 R11: fefefefefefefeff R12: 0000000000000000
[   51.217763] R13: 0000000000000010 R14: ff3addb94a453000 R15: ff3addb941913000
[   51.217805] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.217845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.217881] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.217927] PKRU: 55555554
[   51.217940] Call Trace:
[   51.217956]  <TASK>
[   51.217969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.217989]  netif_close_many (net/core/dev.c:1804)
[   51.218011]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.218040]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.218061]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.218089]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.218111]  cleanup_net (net/core/net_namespace.c:702)
[   51.218133]  process_one_work (kernel/workqueue.c:3314)
[   51.218155]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.218178]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.218199]  kthread (kernel/kthread.c:436)
[   51.218222]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.218244]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.218266]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.218288]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.218357] ------------[ cut here ]------------
| [   51.218386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.218441] Modules linked in: ipvtap ipvlan
| [   51.218525] Tainted: [W]=WARN
[   51.218547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.218579] Workqueue: netns cleanup_net
[   51.218605] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.218634] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.218735] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.218764] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.218805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.218846] RBP: 0000000000000000 R08: ff3addb944538fd0 R09: ff3addb94a26602c
[   51.218888] R10: ff3addb94a3d2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.218936] R13: 0000000000000010 R14: ff3addb94a3d2000 R15: ff3addb941913000
[   51.218978] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.219011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.219045] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.219084] PKRU: 55555554
[   51.219098] Call Trace:
[   51.219112]  <TASK>
[   51.219127]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.219152]  netif_close_many (net/core/dev.c:1804)
[   51.219173]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.219201]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.219221]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.219249]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.219275]  cleanup_net (net/core/net_namespace.c:702)
[   51.219297]  process_one_work (kernel/workqueue.c:3314)
[   51.219316]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.219335]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.219356]  kthread (kernel/kthread.c:436)
[   51.219377]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.219399]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.219421]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.219440]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.219508] ------------[ cut here ]------------
| [   51.219536] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.219587] Modules linked in: ipvtap ipvlan
| [   51.219674] Tainted: [W]=WARN
[   51.219694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.219726] Workqueue: netns cleanup_net
[   51.219749] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.219777] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.219871] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.219902] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.219943] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.219983] RBP: 0000000000000000 R08: ff3addb94194b450 R09: ff3addb94a26602c
[   51.220021] R10: ff3addb94a2b3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.220061] R13: 0000000000000010 R14: ff3addb94a2b3000 R15: ff3addb941913000
[   51.220101] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.220135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.220174] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.220214] PKRU: 55555554
[   51.220227] Call Trace:
[   51.220239]  <TASK>
[   51.220253]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.220275]  netif_close_many (net/core/dev.c:1804)
[   51.220296]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.220329]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.220349]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.220377]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.220400]  cleanup_net (net/core/net_namespace.c:702)
[   51.220420]  process_one_work (kernel/workqueue.c:3314)
[   51.220440]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.220461]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.220480]  kthread (kernel/kthread.c:436)
[   51.220500]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.220523]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.220544]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.220566]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.220640] ------------[ cut here ]------------
| [   51.220665] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.220723] Modules linked in: ipvtap ipvlan
| [   51.220816] Tainted: [W]=WARN
[   51.220839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.220868] Workqueue: netns cleanup_net
[   51.220888] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.220915] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.221010] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.221036] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.221073] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.221111] RBP: 0000000000000000 R08: ff3addb943196810 R09: ff3addb94a26602c
[   51.221160] R10: ff3addb94a261120 R11: fefefefefefefeff R12: 0000000000000000
[   51.221202] R13: 0000000000000010 R14: ff3addb94a261000 R15: ff3addb941913000
[   51.221242] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.221283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.221317] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.221359] PKRU: 55555554
[   51.221374] Call Trace:
[   51.221388]  <TASK>
[   51.221400]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.221421]  netif_close_many (net/core/dev.c:1804)
[   51.221444]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.221471]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.221491]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.221518]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.221538]  cleanup_net (net/core/net_namespace.c:702)
[   51.221562]  process_one_work (kernel/workqueue.c:3314)
[   51.221582]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.221604]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.221625]  kthread (kernel/kthread.c:436)
[   51.221651]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.221674]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.221696]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.221718]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.221824] ------------[ cut here ]------------
| [   51.221850] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.221905] Modules linked in: ipvtap ipvlan
| [   51.221988] Tainted: [W]=WARN
[   51.222009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.222044] Workqueue: netns cleanup_net
[   51.222063] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.222089] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.222182] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.222209] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.222248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.222291] RBP: 0000000000000000 R08: ff3addb94a4c4b10 R09: ff3addb94a50002c
[   51.222333] R10: ff3addb94a4ec120 R11: fefefefefefefeff R12: 0000000000000000
[   51.222382] R13: 0000000000000011 R14: ff3addb94a4ec000 R15: ff3addb941913000
[   51.222427] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.222470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.222507] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.222548] PKRU: 55555554
[   51.222563] Call Trace:
[   51.222576]  <TASK>
[   51.222590]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.222618]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.222647]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.222669]  cleanup_net (net/core/net_namespace.c:702)
[   51.222688]  process_one_work (kernel/workqueue.c:3314)
[   51.222709]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.222729]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.222751]  kthread (kernel/kthread.c:436)
[   51.222770]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.222790]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.222810]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.222833]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.222940] ------------[ cut here ]------------
| [   51.222965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.223018] Modules linked in: ipvtap ipvlan
| [   51.223101] Tainted: [W]=WARN
[   51.223122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.223159] Workqueue: netns cleanup_net
[   51.223187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.223217] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.223309] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.223336] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.223377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.223416] RBP: 0000000000000000 R08: ff3addb9418cc010 R09: ff3addb94a43b82c
[   51.223456] R10: ff3addb94a453120 R11: fefefefefefefeff R12: 0000000000000000
[   51.223496] R13: 0000000000000011 R14: ff3addb94a453000 R15: ff3addb941913000
[   51.223538] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.223581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.223614] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.223655] PKRU: 55555554
[   51.223669] Call Trace:
[   51.223682]  <TASK>
[   51.223696]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.223726]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.223753]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.223775]  cleanup_net (net/core/net_namespace.c:702)
[   51.223797]  process_one_work (kernel/workqueue.c:3314)
[   51.223817]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.223838]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.223858]  kthread (kernel/kthread.c:436)
[   51.223880]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.223902]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.223926]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.223950]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.224060] ------------[ cut here ]------------
| [   51.224085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.224139] Modules linked in: ipvtap ipvlan
| [   51.224234] Tainted: [W]=WARN
[   51.224255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.224288] Workqueue: netns cleanup_net
[   51.224310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.224340] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.224430] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.224458] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.224501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.224538] RBP: 0000000000000000 R08: ff3addb944538fd0 R09: ff3addb94a3c782c
[   51.224576] R10: ff3addb94a3d2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.224616] R13: 0000000000000011 R14: ff3addb94a3d2000 R15: ff3addb941913000
[   51.224660] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.224700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.224735] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.224778] PKRU: 55555554
[   51.224792] Call Trace:
[   51.224806]  <TASK>
[   51.224820]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.224849]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.224875]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.224898]  cleanup_net (net/core/net_namespace.c:702)
[   51.224916]  process_one_work (kernel/workqueue.c:3314)
[   51.224936]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.224956]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.224978]  kthread (kernel/kthread.c:436)
[   51.225000]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.225023]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.225045]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.225067]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.225172] ------------[ cut here ]------------
| [   51.225199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.225256] Modules linked in: ipvtap ipvlan
| [   51.225337] Tainted: [W]=WARN
[   51.225357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.225392] Workqueue: netns cleanup_net
[   51.225413] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.225438] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.225532] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.225558] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.225597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.225635] RBP: 0000000000000000 R08: ff3addb94194b450 R09: ff3addb94a2b982c
[   51.225673] R10: ff3addb94a2b3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.225715] R13: 0000000000000011 R14: ff3addb94a2b3000 R15: ff3addb941913000
[   51.225757] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.225797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.225833] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.225876] PKRU: 55555554
[   51.225891] Call Trace:
[   51.225903]  <TASK>
[   51.225918]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.225949]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.225976]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.225999]  cleanup_net (net/core/net_namespace.c:702)
[   51.226021]  process_one_work (kernel/workqueue.c:3314)
[   51.226044]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.226064]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.226087]  kthread (kernel/kthread.c:436)
[   51.226112]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.226138]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.226162]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.226186]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.226289] ------------[ cut here ]------------
| [   51.226314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.226373] Modules linked in: ipvtap ipvlan
| [   51.226455] Tainted: [W]=WARN
[   51.226476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.226508] Workqueue: netns cleanup_net
[   51.226529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.226556] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.226650] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.226680] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.226719] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.226762] RBP: 0000000000000000 R08: ff3addb943196810 R09: ff3addb9477c002c
[   51.226802] R10: ff3addb94a261120 R11: fefefefefefefeff R12: 0000000000000000
[   51.226845] R13: 0000000000000011 R14: ff3addb94a261000 R15: ff3addb941913000
[   51.226888] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.226939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.226970] CR2: 00007f506ecf7668 CR3: 0000000009647003 CR4: 0000000000771ef0
[   51.227013] PKRU: 55555554
[   51.227028] Call Trace:
[   51.227042]  <TASK>
[   51.227054]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.227085]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.227111]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.227132]  cleanup_net (net/core/net_namespace.c:702)
[   51.227160]  process_one_work (kernel/workqueue.c:3314)
[   51.227179]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.227201]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.227222]  kthread (kernel/kthread.c:436)
[   51.227243]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.227269]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.227292]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.227313]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.274071] ------------[ cut here ]------------
| [   51.274114] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.274180] Modules linked in: ipvtap ipvlan
| [   51.274264] Tainted: [W]=WARN
[   51.274288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.274323] Workqueue: netns cleanup_net
[   51.274347] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.274377] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.274479] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.274507] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.274540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.274585] RBP: 0000000000000000 R08: ff3addb943193550 R09: ff3addb94ad23030
[   51.274620] R10: ff3addb94ad62120 R11: fefefefefefefeff R12: 0000000000000000
[   51.274661] R13: 0000000000000011 R14: ff3addb94ad62000 R15: ff3addb941913000
[   51.274707] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.274750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.274785] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.274829] PKRU: 55555554
[   51.274843] Call Trace:
[   51.274857]  <TASK>
[   51.274872]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.274902]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.274924]  cleanup_net (net/core/net_namespace.c:702)
[   51.274947]  process_one_work (kernel/workqueue.c:3314)
[   51.274970]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.274989]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.275011]  kthread (kernel/kthread.c:436)
[   51.275033]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.275059]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.275082]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.275105]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.275225] ------------[ cut here ]------------
| [   51.275253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.275312] Modules linked in: ipvtap ipvlan
| [   51.275400] Tainted: [W]=WARN
[   51.275421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.275458] Workqueue: netns cleanup_net
[   51.275479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.275507] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.275606] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.275634] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.275677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.275720] RBP: 0000000000000000 R08: ff3addb94a7385d0 R09: ff3addb94ad26030
[   51.275768] R10: ff3addb94ad1d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.275809] R13: 0000000000000011 R14: ff3addb94ad1d000 R15: ff3addb941913000
[   51.275854] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.275892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.275932] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.275977] PKRU: 55555554
[   51.275991] Call Trace:
[   51.276008]  <TASK>
[   51.276021]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.276047]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.276068]  cleanup_net (net/core/net_namespace.c:702)
[   51.276089]  process_one_work (kernel/workqueue.c:3314)
[   51.276111]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.276133]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.276163]  kthread (kernel/kthread.c:436)
[   51.276186]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.276208]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.276233]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.276255]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.276359] ------------[ cut here ]------------
| [   51.276384] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.276428] Modules linked in: ipvtap ipvlan
| [   51.276515] Tainted: [W]=WARN
[   51.276538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.276573] Workqueue: netns cleanup_net
[   51.276595] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.276621] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.276715] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.276741] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.276783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.276823] RBP: 0000000000000000 R08: ff3addb94a645d50 R09: ff3addb94ad15034
[   51.276860] R10: ff3addb94ad18120 R11: fefefefefefefeff R12: 0000000000000000
[   51.276900] R13: 0000000000000011 R14: ff3addb94ad18000 R15: ff3addb941913000
[   51.276948] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.276992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.277027] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.277067] PKRU: 55555554
[   51.277082] Call Trace:
[   51.277094]  <TASK>
[   51.277107]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.277139]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.277164]  cleanup_net (net/core/net_namespace.c:702)
[   51.277189]  process_one_work (kernel/workqueue.c:3314)
[   51.277209]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.277228]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.277251]  kthread (kernel/kthread.c:436)
[   51.277275]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.277301]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.277326]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.277346]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.277437] ------------[ cut here ]------------
| [   51.277462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.277521] Modules linked in: ipvtap ipvlan
| [   51.277604] Tainted: [W]=WARN
[   51.277631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.277664] Workqueue: netns cleanup_net
[   51.277687] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.277712] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.277807] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.277836] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.277876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.277923] RBP: 0000000000000000 R08: ff3addb94a638510 R09: ff3addb94ad20830
[   51.277967] R10: ff3addb94ad19120 R11: fefefefefefefeff R12: 0000000000000000
[   51.278006] R13: 0000000000000011 R14: ff3addb94ad19000 R15: ff3addb941913000
[   51.278054] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.278097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.278128] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.278215] PKRU: 55555554
[   51.278229] Call Trace:
[   51.278240]  <TASK>
[   51.278260]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.278293]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.278316]  cleanup_net (net/core/net_namespace.c:702)
[   51.278337]  process_one_work (kernel/workqueue.c:3314)
[   51.278359]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.278379]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.278399]  kthread (kernel/kthread.c:436)
[   51.278422]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.278446]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.278470]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.278493]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.278594] ------------[ cut here ]------------
| [   51.278622] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.278680] Modules linked in: ipvtap ipvlan
| [   51.278769] Tainted: [W]=WARN
[   51.278791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.278826] Workqueue: netns cleanup_net
[   51.278850] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.278878] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.278988] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.279018] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.279059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.279111] RBP: 0000000000000000 R08: ff3addb94a54ed50 R09: ff3addb94ad0e830
[   51.279154] R10: ff3addb94ad1a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.279199] R13: 0000000000000011 R14: ff3addb94ad1a000 R15: ff3addb941913000
[   51.279239] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.279279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.279312] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.279353] PKRU: 55555554
[   51.279367] Call Trace:
[   51.279381]  <TASK>
[   51.279395]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.279422]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.279443]  cleanup_net (net/core/net_namespace.c:702)
[   51.279465]  process_one_work (kernel/workqueue.c:3314)
[   51.279485]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.279511]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.279531]  kthread (kernel/kthread.c:436)
[   51.279555]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.279576]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.279598]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.279618]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.279723] ------------[ cut here ]------------
| [   51.279749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.279805] Modules linked in: ipvtap ipvlan
| [   51.279893] Tainted: [W]=WARN
[   51.279913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.279951] Workqueue: netns cleanup_net
[   51.279970] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.279996] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.280093] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.280117] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.280166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.280208] RBP: 0000000000000000 R08: ff3addb943173550 R09: ff3addb94ace5830
[   51.280251] R10: ff3addb94acef120 R11: fefefefefefefeff R12: 0000000000000000
[   51.280294] R13: 0000000000000011 R14: ff3addb94acef000 R15: ff3addb941913000
[   51.280337] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.280384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.280417] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.280460] PKRU: 55555554
[   51.280474] Call Trace:
[   51.280489]  <TASK>
[   51.280503]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.280534]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.280557]  cleanup_net (net/core/net_namespace.c:702)
[   51.280577]  process_one_work (kernel/workqueue.c:3314)
[   51.280599]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.280621]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.280643]  kthread (kernel/kthread.c:436)
[   51.280666]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.280690]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.280712]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.280733]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.280833] ------------[ cut here ]------------
| [   51.280860] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.280909] Modules linked in: ipvtap ipvlan
| [   51.280994] Tainted: [W]=WARN
[   51.281013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.281049] Workqueue: netns cleanup_net
[   51.281074] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.281107] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.281213] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.281242] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.281284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.281328] RBP: 0000000000000000 R08: ff3addb94a413690 R09: ff3addb94acf0830
[   51.281368] R10: ff3addb94acea120 R11: fefefefefefefeff R12: 0000000000000000
[   51.281407] R13: 0000000000000011 R14: ff3addb94acea000 R15: ff3addb941913000
[   51.281451] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.281493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.281526] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.281567] PKRU: 55555554
[   51.281579] Call Trace:
[   51.281595]  <TASK>
[   51.281609]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.281642]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.281662]  cleanup_net (net/core/net_namespace.c:702)
[   51.281681]  process_one_work (kernel/workqueue.c:3314)
[   51.281701]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.281722]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.281742]  kthread (kernel/kthread.c:436)
[   51.281765]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.281787]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.281808]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.281830]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.281933] ------------[ cut here ]------------
| [   51.281959] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.282008] Modules linked in: ipvtap ipvlan
| [   51.282096] Tainted: [W]=WARN
[   51.282118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.282163] Workqueue: netns cleanup_net
[   51.282184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.282211] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.282311] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.282335] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.282386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.282432] RBP: 0000000000000000 R08: ff3addb94453cf90 R09: ff3addb94acdf834
[   51.282474] R10: ff3addb94acd5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.282515] R13: 0000000000000011 R14: ff3addb94acd5000 R15: ff3addb941913000
[   51.282558] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.282604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.282634] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.282674] PKRU: 55555554
[   51.282689] Call Trace:
[   51.282703]  <TASK>
[   51.282717]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.282740]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.282760]  cleanup_net (net/core/net_namespace.c:702)
[   51.282779]  process_one_work (kernel/workqueue.c:3314)
[   51.282798]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.282819]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.282841]  kthread (kernel/kthread.c:436)
[   51.282863]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.282884]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.282904]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.282928]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.283033] ------------[ cut here ]------------
| [   51.283059] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.283104] Modules linked in: ipvtap ipvlan
| [   51.283186] Tainted: [W]=WARN
[   51.283208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.283246] Workqueue: netns cleanup_net
[   51.283270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.283299] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.283402] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.283432] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.283474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.283517] RBP: 0000000000000000 R08: ff3addb94a3396d0 R09: ff3addb94ace3030
[   51.283556] R10: ff3addb94acd6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.283597] R13: 0000000000000011 R14: ff3addb94acd6000 R15: ff3addb941913000
[   51.283641] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.283680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.283712] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.283751] PKRU: 55555554
[   51.283765] Call Trace:
[   51.283778]  <TASK>
[   51.283791]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.283819]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.283840]  cleanup_net (net/core/net_namespace.c:702)
[   51.283866]  process_one_work (kernel/workqueue.c:3314)
[   51.283887]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.283910]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.283934]  kthread (kernel/kthread.c:436)
[   51.283956]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.283976]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.283997]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.284019]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.284116] ------------[ cut here ]------------
| [   51.284139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.284205] Modules linked in: ipvtap ipvlan
| [   51.284294] Tainted: [W]=WARN
[   51.284315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.284349] Workqueue: netns cleanup_net
[   51.284372] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.284405] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.284508] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.284535] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.284575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.284615] RBP: 0000000000000000 R08: ff3addb94a54e4d0 R09: ff3addb94acd9030
[   51.284656] R10: ff3addb94acd7120 R11: fefefefefefefeff R12: 0000000000000000
[   51.284697] R13: 0000000000000011 R14: ff3addb94acd7000 R15: ff3addb941913000
[   51.284738] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.284777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.284818] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.284858] PKRU: 55555554
[   51.284872] Call Trace:
[   51.284886]  <TASK>
[   51.284902]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.284932]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.284953]  cleanup_net (net/core/net_namespace.c:702)
[   51.284976]  process_one_work (kernel/workqueue.c:3314)
[   51.284996]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.285018]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.285039]  kthread (kernel/kthread.c:436)
[   51.285059]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.285084]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.285107]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.285129]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.285246] ------------[ cut here ]------------
| [   51.285273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.285327] Modules linked in: ipvtap ipvlan
| [   51.285406] Tainted: [W]=WARN
[   51.285424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.285459] Workqueue: netns cleanup_net
[   51.285481] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.285509] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.285599] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.285625] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.285664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.285703] RBP: 0000000000000000 R08: ff3addb94a339cd0 R09: ff3addb94a766830
[   51.285742] R10: ff3addb94a76e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.285782] R13: 0000000000000011 R14: ff3addb94a76e000 R15: ff3addb941913000
[   51.285822] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.285868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.285901] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.285945] PKRU: 55555554
[   51.285959] Call Trace:
[   51.285972]  <TASK>
[   51.285989]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.286019]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.286041]  cleanup_net (net/core/net_namespace.c:702)
[   51.286061]  process_one_work (kernel/workqueue.c:3314)
[   51.286081]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.286100]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.286122]  kthread (kernel/kthread.c:436)
[   51.286144]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.286172]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.286195]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.286215]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.286320] ------------[ cut here ]------------
| [   51.286347] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.286404] Modules linked in: ipvtap ipvlan
| [   51.286496] Tainted: [W]=WARN
[   51.286518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.286556] Workqueue: netns cleanup_net
[   51.286577] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.286605] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.286703] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.286731] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.286770] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.286810] RBP: 0000000000000000 R08: ff3addb94a4c4490 R09: ff3addb94a771830
[   51.286850] R10: ff3addb94a769120 R11: fefefefefefefeff R12: 0000000000000000
[   51.286891] R13: 0000000000000011 R14: ff3addb94a769000 R15: ff3addb941913000
[   51.286939] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.286978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.287015] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.287054] PKRU: 55555554
[   51.287068] Call Trace:
[   51.287082]  <TASK>
[   51.287095]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.287122]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.287142]  cleanup_net (net/core/net_namespace.c:702)
[   51.287168]  process_one_work (kernel/workqueue.c:3314)
[   51.287190]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.287209]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.287229]  kthread (kernel/kthread.c:436)
[   51.287251]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.287273]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.287295]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.287316]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.287418] ------------[ cut here ]------------
| [   51.287446] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.287503] Modules linked in: ipvtap ipvlan
| [   51.287587] Tainted: [W]=WARN
[   51.287606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.287644] Workqueue: netns cleanup_net
[   51.287665] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.287689] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.287782] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.287809] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.287851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.287891] RBP: 0000000000000000 R08: ff3addb94a4c4590 R09: ff3addb94a760834
[   51.287934] R10: ff3addb94a75c120 R11: fefefefefefefeff R12: 0000000000000000
[   51.287974] R13: 0000000000000011 R14: ff3addb94a75c000 R15: ff3addb941913000
[   51.288017] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.288050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.288085] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.288128] PKRU: 55555554
[   51.288142] Call Trace:
[   51.288191]  <TASK>
[   51.288218]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.288245]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.288266]  cleanup_net (net/core/net_namespace.c:702)
[   51.288286]  process_one_work (kernel/workqueue.c:3314)
[   51.288307]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.288332]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.288353]  kthread (kernel/kthread.c:436)
[   51.288374]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.288394]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.288416]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.288438]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.288531] ------------[ cut here ]------------
| [   51.288557] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.288608] Modules linked in: ipvtap ipvlan
| [   51.288689] Tainted: [W]=WARN
[   51.288710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.288743] Workqueue: netns cleanup_net
[   51.288766] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.288796] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.288887] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.288914] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.288958] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.288999] RBP: 0000000000000000 R08: ff3addb94a6450d0 R09: ff3addb94a764030
[   51.289036] R10: ff3addb94a75d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.289077] R13: 0000000000000011 R14: ff3addb94a75d000 R15: ff3addb941913000
[   51.289119] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.289165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.289202] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.289239] PKRU: 55555554
[   51.289253] Call Trace:
[   51.289267]  <TASK>
[   51.289283]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.289310]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.289331]  cleanup_net (net/core/net_namespace.c:702)
[   51.289352]  process_one_work (kernel/workqueue.c:3314)
[   51.289371]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.289392]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.289413]  kthread (kernel/kthread.c:436)
[   51.289435]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.289457]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.289478]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.289500]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.289594] ------------[ cut here ]------------
| [   51.289619] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.289678] Modules linked in: ipvtap ipvlan
| [   51.289765] Tainted: [W]=WARN
[   51.289785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.289817] Workqueue: netns cleanup_net
[   51.289838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.289868] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.289964] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.289991] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.290033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.290073] RBP: 0000000000000000 R08: ff3addb94a638850 R09: ff3addb94a74a030
[   51.290110] R10: ff3addb94a75e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.290153] R13: 0000000000000011 R14: ff3addb94a75e000 R15: ff3addb941913000
[   51.290194] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.290236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.290269] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.290314] PKRU: 55555554
[   51.290327] Call Trace:
[   51.290338]  <TASK>
[   51.290357]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.290385]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.290405]  cleanup_net (net/core/net_namespace.c:702)
[   51.290426]  process_one_work (kernel/workqueue.c:3314)
[   51.290446]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.290468]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.290489]  kthread (kernel/kthread.c:436)
[   51.290512]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.290533]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.290553]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.290573]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.290683] ------------[ cut here ]------------
| [   51.290708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.290764] Modules linked in: ipvtap ipvlan
| [   51.290853] Tainted: [W]=WARN
[   51.290875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.290909] Workqueue: netns cleanup_net
[   51.290934] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.290963] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.291061] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.291087] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.291129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.291169] RBP: 0000000000000000 R08: ff3addb94a645450 R09: ff3addb94a698830
[   51.291208] R10: ff3addb94a695120 R11: fefefefefefefeff R12: 0000000000000000
[   51.291250] R13: 0000000000000011 R14: ff3addb94a695000 R15: ff3addb941913000
[   51.291290] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.291334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.291362] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.291404] PKRU: 55555554
[   51.291418] Call Trace:
[   51.291431]  <TASK>
[   51.291446]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.291478]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.291501]  cleanup_net (net/core/net_namespace.c:702)
[   51.291523]  process_one_work (kernel/workqueue.c:3314)
[   51.291543]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.291566]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.291586]  kthread (kernel/kthread.c:436)
[   51.291607]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.291629]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.291650]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.291670]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.291768] ------------[ cut here ]------------
| [   51.291794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.291845] Modules linked in: ipvtap ipvlan
| [   51.291933] Tainted: [W]=WARN
[   51.291953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.291989] Workqueue: netns cleanup_net
[   51.292011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.292039] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.292138] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.292170] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.292213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.292252] RBP: 0000000000000000 R08: ff3addb94a645550 R09: ff3addb94a69b830
[   51.292298] R10: ff3addb94a690120 R11: fefefefefefefeff R12: 0000000000000000
[   51.292338] R13: 0000000000000011 R14: ff3addb94a690000 R15: ff3addb941913000
[   51.292383] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.292425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.292462] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.292505] PKRU: 55555554
[   51.292520] Call Trace:
[   51.292533]  <TASK>
[   51.292551]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.292579]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.292597]  cleanup_net (net/core/net_namespace.c:702)
[   51.292620]  process_one_work (kernel/workqueue.c:3314)
[   51.292641]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.292662]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.292680]  kthread (kernel/kthread.c:436)
[   51.292703]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.292724]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.292744]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.292764]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.292863] ------------[ cut here ]------------
| [   51.292889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.292941] Modules linked in: ipvtap ipvlan
| [   51.293027] Tainted: [W]=WARN
[   51.293048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.293083] Workqueue: netns cleanup_net
[   51.293104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.293131] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.293218] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.293249] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.293291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.293334] RBP: 0000000000000000 R08: ff3addb94a645650 R09: ff3addb94a3ba834
[   51.293377] R10: ff3addb94a693120 R11: fefefefefefefeff R12: 0000000000000000
[   51.293421] R13: 0000000000000011 R14: ff3addb94a693000 R15: ff3addb941913000
[   51.293465] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.293509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.293542] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.293584] PKRU: 55555554
[   51.293598] Call Trace:
[   51.293612]  <TASK>
[   51.293627]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.293656]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.293678]  cleanup_net (net/core/net_namespace.c:702)
[   51.293701]  process_one_work (kernel/workqueue.c:3314)
[   51.293722]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.293745]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.293765]  kthread (kernel/kthread.c:436)
[   51.293787]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.293809]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.293830]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.293852]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.293946] ------------[ cut here ]------------
| [   51.293972] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.294022] Modules linked in: ipvtap ipvlan
| [   51.294099] Tainted: [W]=WARN
[   51.294117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.294155] Workqueue: netns cleanup_net
[   51.294179] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.294208] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.294301] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.294328] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.294372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.294415] RBP: 0000000000000000 R08: ff3addb94a645710 R09: ff3addb94a3be030
[   51.294457] R10: ff3addb94a3b4120 R11: fefefefefefefeff R12: 0000000000000000
[   51.294502] R13: 0000000000000011 R14: ff3addb94a3b4000 R15: ff3addb941913000
[   51.294544] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.294590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.294628] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.294669] PKRU: 55555554
[   51.294681] Call Trace:
[   51.294696]  <TASK>
[   51.294711]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.294739]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.294759]  cleanup_net (net/core/net_namespace.c:702)
[   51.294781]  process_one_work (kernel/workqueue.c:3314)
[   51.294803]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.294825]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.294843]  kthread (kernel/kthread.c:436)
[   51.294863]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.294881]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.294901]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.294933]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.295032] ------------[ cut here ]------------
| [   51.295063] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.295118] Modules linked in: ipvtap ipvlan
| [   51.295208] Tainted: [W]=WARN
[   51.295230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.295266] Workqueue: netns cleanup_net
[   51.295290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.295316] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.295410] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.295438] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.295475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.295515] RBP: 0000000000000000 R08: ff3addb94a645810 R09: ff3addb94a3a4030
[   51.295555] R10: ff3addb94a3b5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.295600] R13: 0000000000000011 R14: ff3addb94a3b5000 R15: ff3addb941913000
[   51.295644] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.295680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.295714] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.295756] PKRU: 55555554
[   51.295770] Call Trace:
[   51.295782]  <TASK>
[   51.295798]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.295826]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.295847]  cleanup_net (net/core/net_namespace.c:702)
[   51.295871]  process_one_work (kernel/workqueue.c:3314)
[   51.295891]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.295912]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.295938]  kthread (kernel/kthread.c:436)
[   51.295960]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.295983]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.296005]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.296025]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.296138] ------------[ cut here ]------------
| [   51.296170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.296239] Modules linked in: ipvtap ipvlan
| [   51.296324] Tainted: [W]=WARN
[   51.296343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.296382] Workqueue: netns cleanup_net
[   51.296406] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.296434] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.296532] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.296559] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.296596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.296634] RBP: 0000000000000000 R08: ff3addb94a4c4790 R09: ff3addb94a5f2830
[   51.296676] R10: ff3addb94a603120 R11: fefefefefefefeff R12: 0000000000000000
[   51.296717] R13: 0000000000000011 R14: ff3addb94a603000 R15: ff3addb941913000
[   51.296756] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.296796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.296826] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.296865] PKRU: 55555554
[   51.296879] Call Trace:
[   51.296892]  <TASK>
[   51.296907]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.296938]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.296959]  cleanup_net (net/core/net_namespace.c:702)
[   51.296982]  process_one_work (kernel/workqueue.c:3314)
[   51.297004]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.297025]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.297049]  kthread (kernel/kthread.c:436)
[   51.297075]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.297098]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.297119]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.297141]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.297252] ------------[ cut here ]------------
| [   51.297283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.297344] Modules linked in: ipvtap ipvlan
| [   51.297426] Tainted: [W]=WARN
[   51.297448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.297486] Workqueue: netns cleanup_net
[   51.297508] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.297538] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.297642] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.297668] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.297713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.297755] RBP: 0000000000000000 R08: ff3addb94a413990 R09: ff3addb94a5f5830
[   51.297799] R10: ff3addb94a5fe120 R11: fefefefefefefeff R12: 0000000000000000
[   51.297840] R13: 0000000000000011 R14: ff3addb94a5fe000 R15: ff3addb941913000
[   51.297881] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.297932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.297971] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.298016] PKRU: 55555554
[   51.298029] Call Trace:
[   51.298044]  <TASK>
[   51.298058]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.298087]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.298109]  cleanup_net (net/core/net_namespace.c:702)
[   51.298130]  process_one_work (kernel/workqueue.c:3314)
[   51.298162]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.298184]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.298206]  kthread (kernel/kthread.c:436)
[   51.298227]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.298250]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.298270]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.298289]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.298441] ------------[ cut here ]------------
| [   51.298469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.298537] Modules linked in: ipvtap ipvlan
| [   51.298639] Tainted: [W]=WARN
[   51.298666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.298703] Workqueue: netns cleanup_net
[   51.298727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.298755] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.298855] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.298882] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.298928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.298974] RBP: 0000000000000000 R08: ff3addb94a243250 R09: ff3addb94a19a834
[   51.299015] R10: ff3addb94a5f9120 R11: fefefefefefefeff R12: 0000000000000000
[   51.299058] R13: 0000000000000011 R14: ff3addb94a5f9000 R15: ff3addb941913000
[   51.299103] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.299154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.299192] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.299232] PKRU: 55555554
[   51.299247] Call Trace:
[   51.299259]  <TASK>
[   51.299272]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.299301]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.299324]  cleanup_net (net/core/net_namespace.c:702)
[   51.299345]  process_one_work (kernel/workqueue.c:3314)
[   51.299366]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.299388]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.299408]  kthread (kernel/kthread.c:436)
[   51.299430]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.299450]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.299472]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.299494]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.299587] ------------[ cut here ]------------
| [   51.299614] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.299666] Modules linked in: ipvtap ipvlan
| [   51.299756] Tainted: [W]=WARN
[   51.299777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.299811] Workqueue: netns cleanup_net
[   51.299833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.299862] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.299962] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.299992] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.300033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.300074] RBP: 0000000000000000 R08: ff3addb94339cd50 R09: ff3addb94a5e5830
[   51.300118] R10: ff3addb94a5fa120 R11: fefefefefefefeff R12: 0000000000000000
[   51.300162] R13: 0000000000000011 R14: ff3addb94a5fa000 R15: ff3addb941913000
[   51.300210] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.300251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.300286] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.300328] PKRU: 55555554
[   51.300342] Call Trace:
[   51.300358]  <TASK>
[   51.300372]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.300404]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.300426]  cleanup_net (net/core/net_namespace.c:702)
[   51.300447]  process_one_work (kernel/workqueue.c:3314)
[   51.300467]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.300490]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.300508]  kthread (kernel/kthread.c:436)
[   51.300529]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.300551]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.300572]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.300592]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.300692] ------------[ cut here ]------------
| [   51.300721] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.300774] Modules linked in: ipvtap ipvlan
| [   51.300849] Tainted: [W]=WARN
[   51.300870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.300909] Workqueue: netns cleanup_net
[   51.300933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.300962] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.301056] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.301085] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.301126] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.301169] RBP: 0000000000000000 R08: ff3addb944538c50 R09: ff3addb94a5e7830
[   51.301211] R10: ff3addb94a5fb120 R11: fefefefefefefeff R12: 0000000000000000
[   51.301249] R13: 0000000000000011 R14: ff3addb94a5fb000 R15: ff3addb941913000
[   51.301293] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.301336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.301369] CR2: 00007f10916bb000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.301413] PKRU: 55555554
[   51.301427] Call Trace:
[   51.301441]  <TASK>
[   51.301454]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.301483]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.301506]  cleanup_net (net/core/net_namespace.c:702)
[   51.301527]  process_one_work (kernel/workqueue.c:3314)
[   51.301547]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.301569]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.301590]  kthread (kernel/kthread.c:436)
[   51.301610]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.301633]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.301655]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.301677]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.310990] ------------[ cut here ]------------
| [   51.311025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.311088] Modules linked in: ipvtap ipvlan
| [   51.311185] Tainted: [W]=WARN
[   51.311206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.311242] Workqueue: netns cleanup_net
[   51.311265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.311290] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.311392] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.311416] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.311458] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.311502] RBP: 0000000000000000 R08: ff3addb94a738890 R09: ff3addb94a5fb02c
[   51.311543] R10: ff3addb94acfd120 R11: fefefefefefefeff R12: 0000000000000000
[   51.311587] R13: 0000000000000010 R14: ff3addb94acfd000 R15: ff3addb941913000
[   51.311631] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.311684] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.311719] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.311753] PKRU: 55555554
[   51.311768] Call Trace:
[   51.311784]  <TASK>
[   51.311799]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.311818]  netif_close_many (net/core/dev.c:1804)
[   51.311836]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.311864]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.311886]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.311913]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.311937]  cleanup_net (net/core/net_namespace.c:702)
[   51.311960]  process_one_work (kernel/workqueue.c:3314)
[   51.311980]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.312004]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.312025]  kthread (kernel/kthread.c:436)
[   51.312044]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.312067]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.312087]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.312110]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.312195] ------------[ cut here ]------------
| [   51.312222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.312277] Modules linked in: ipvtap ipvlan
| [   51.312364] Tainted: [W]=WARN
[   51.312384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.312420] Workqueue: netns cleanup_net
[   51.312442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.312468] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.312539] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.312568] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.312611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.312656] RBP: 0000000000000000 R08: ff3addb943173d50 R09: ff3addb94a5fb02c
[   51.312699] R10: ff3addb94acd2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.312741] R13: 0000000000000010 R14: ff3addb94acd2000 R15: ff3addb941913000
[   51.312782] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.312822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.312856] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.312900] PKRU: 55555554
[   51.312914] Call Trace:
[   51.312933]  <TASK>
[   51.312947]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.312969]  netif_close_many (net/core/dev.c:1804)
[   51.312989]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.313018]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.313041]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.313072]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.313090]  cleanup_net (net/core/net_namespace.c:702)
[   51.313114]  process_one_work (kernel/workqueue.c:3314)
[   51.313140]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.313162]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.313180]  kthread (kernel/kthread.c:436)
[   51.313202]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.313230]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.313251]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.313274]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.313352] ------------[ cut here ]------------
| [   51.313384] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.313439] Modules linked in: ipvtap ipvlan
| [   51.313523] Tainted: [W]=WARN
[   51.313545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.313581] Workqueue: netns cleanup_net
[   51.313605] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.313631] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.313724] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.313752] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.313793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.313838] RBP: 0000000000000000 R08: ff3addb94a638910 R09: ff3addb94a5fb02c
[   51.313879] R10: ff3addb94a759120 R11: fefefefefefefeff R12: 0000000000000000
[   51.313924] R13: 0000000000000010 R14: ff3addb94a759000 R15: ff3addb941913000
[   51.313962] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.314004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.314039] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.314080] PKRU: 55555554
[   51.314094] Call Trace:
[   51.314108]  <TASK>
[   51.314121]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.314142]  netif_close_many (net/core/dev.c:1804)
[   51.314170]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.314193]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.314212]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.314240]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.314262]  cleanup_net (net/core/net_namespace.c:702)
[   51.314281]  process_one_work (kernel/workqueue.c:3314)
[   51.314304]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.314325]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.314342]  kthread (kernel/kthread.c:436)
[   51.314362]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.314383]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.314404]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.314426]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.314502] ------------[ cut here ]------------
| [   51.314536] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.314591] Modules linked in: ipvtap ipvlan
| [   51.314672] Tainted: [W]=WARN
[   51.314696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.314732] Workqueue: netns cleanup_net
[   51.314754] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.314782] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.314879] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.314905] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.314949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.314989] RBP: 0000000000000000 R08: ff3addb94a645910 R09: ff3addb94a5fb02c
[   51.315031] R10: ff3addb94a3b0120 R11: fefefefefefefeff R12: 0000000000000000
[   51.315076] R13: 0000000000000010 R14: ff3addb94a3b0000 R15: ff3addb941913000
[   51.315119] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.315170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.315205] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.315249] PKRU: 55555554
[   51.315263] Call Trace:
[   51.315277]  <TASK>
[   51.315290]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.315311]  netif_close_many (net/core/dev.c:1804)
[   51.315335]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.315364]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.315383]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.315411]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.315432]  cleanup_net (net/core/net_namespace.c:702)
[   51.315450]  process_one_work (kernel/workqueue.c:3314)
[   51.315471]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.315491]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.315512]  kthread (kernel/kthread.c:436)
[   51.315533]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.315553]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.315575]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.315595]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.315670] ------------[ cut here ]------------
| [   51.315699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.315746] Modules linked in: ipvtap ipvlan
| [   51.315828] Tainted: [W]=WARN
[   51.315847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.315881] Workqueue: netns cleanup_net
[   51.315904] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.315933] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.316030] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.316056] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.316098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.316139] RBP: 0000000000000000 R08: ff3addb94453c050 R09: ff3addb94a5fb02c
[   51.316186] R10: ff3addb94a5ee120 R11: fefefefefefefeff R12: 0000000000000000
[   51.316226] R13: 0000000000000010 R14: ff3addb94a5ee000 R15: ff3addb941913000
[   51.316267] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.316309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.316340] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.316381] PKRU: 55555554
[   51.316395] Call Trace:
[   51.316408]  <TASK>
[   51.316422]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.316445]  netif_close_many (net/core/dev.c:1804)
[   51.316465]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.316490]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.316511]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.316537]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.316557]  cleanup_net (net/core/net_namespace.c:702)
[   51.316580]  process_one_work (kernel/workqueue.c:3314)
[   51.316602]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.316625]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.316647]  kthread (kernel/kthread.c:436)
[   51.316668]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.316691]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.316713]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.316733]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.316847] ------------[ cut here ]------------
| [   51.316874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.316933] Modules linked in: ipvtap ipvlan
| [   51.317022] Tainted: [W]=WARN
[   51.317045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.317078] Workqueue: netns cleanup_net
[   51.317099] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.317126] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.317222] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.317250] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.317289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.317328] RBP: 0000000000000000 R08: ff3addb94a738890 R09: ff3addb94ad1002c
[   51.317368] R10: ff3addb94acfd120 R11: fefefefefefefeff R12: 0000000000000000
[   51.317408] R13: 0000000000000011 R14: ff3addb94acfd000 R15: ff3addb941913000
[   51.317449] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.317488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.317521] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.317559] PKRU: 55555554
[   51.317573] Call Trace:
[   51.317585]  <TASK>
[   51.317599]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.317628]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.317656]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.317677]  cleanup_net (net/core/net_namespace.c:702)
[   51.317700]  process_one_work (kernel/workqueue.c:3314)
[   51.317721]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.317743]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.317763]  kthread (kernel/kthread.c:436)
[   51.317784]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.317805]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.317827]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.317850]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.317960] ------------[ cut here ]------------
| [   51.317986] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.318041] Modules linked in: ipvtap ipvlan
| [   51.318121] Tainted: [W]=WARN
[   51.318141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.318179] Workqueue: netns cleanup_net
[   51.318202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.318233] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.318332] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.318363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.318404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.318445] RBP: 0000000000000000 R08: ff3addb943173d50 R09: ff3addb94acda82c
[   51.318487] R10: ff3addb94acd2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.318531] R13: 0000000000000011 R14: ff3addb94acd2000 R15: ff3addb941913000
[   51.318576] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.318619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.318652] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.318697] PKRU: 55555554
[   51.318710] Call Trace:
[   51.318724]  <TASK>
[   51.318736]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.318763]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.318790]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.318815]  cleanup_net (net/core/net_namespace.c:702)
[   51.318835]  process_one_work (kernel/workqueue.c:3314)
[   51.318853]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.318873]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.318893]  kthread (kernel/kthread.c:436)
[   51.318916]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.318940]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.318961]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.318986]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.319089] ------------[ cut here ]------------
| [   51.319115] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.319164] Modules linked in: ipvtap ipvlan
| [   51.319245] Tainted: [W]=WARN
[   51.319267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.319301] Workqueue: netns cleanup_net
[   51.319324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.319351] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.319449] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.319476] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.319519] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.319561] RBP: 0000000000000000 R08: ff3addb94a638910 R09: ff3addb94a74b82c
[   51.319598] R10: ff3addb94a759120 R11: fefefefefefefeff R12: 0000000000000000
[   51.319639] R13: 0000000000000011 R14: ff3addb94a759000 R15: ff3addb941913000
[   51.319686] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.319732] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.319763] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.319804] PKRU: 55555554
[   51.319818] Call Trace:
[   51.319830]  <TASK>
[   51.319844]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.319868]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.319896]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.319925]  cleanup_net (net/core/net_namespace.c:702)
[   51.319948]  process_one_work (kernel/workqueue.c:3314)
[   51.319971]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.319992]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.320013]  kthread (kernel/kthread.c:436)
[   51.320036]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.320054]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.320074]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.320096]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.320230] ------------[ cut here ]------------
| [   51.320255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.320308] Modules linked in: ipvtap ipvlan
| [   51.320390] Tainted: [W]=WARN
[   51.320414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.320448] Workqueue: netns cleanup_net
[   51.320471] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.320503] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.320592] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.320621] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.320664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.320703] RBP: 0000000000000000 R08: ff3addb94a645910 R09: ff3addb94a3a582c
[   51.320741] R10: ff3addb94a3b0120 R11: fefefefefefefeff R12: 0000000000000000
[   51.320779] R13: 0000000000000011 R14: ff3addb94a3b0000 R15: ff3addb941913000
[   51.320822] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.320862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.320898] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.320941] PKRU: 55555554
[   51.320955] Call Trace:
[   51.320967]  <TASK>
[   51.320982]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.321009]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.321037]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.321057]  cleanup_net (net/core/net_namespace.c:702)
[   51.321079]  process_one_work (kernel/workqueue.c:3314)
[   51.321103]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.321125]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.321145]  kthread (kernel/kthread.c:436)
[   51.321173]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.321195]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.321215]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.321237]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.321338] ------------[ cut here ]------------
| [   51.321363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.321417] Modules linked in: ipvtap ipvlan
| [   51.321497] Tainted: [W]=WARN
[   51.321518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.321547] Workqueue: netns cleanup_net
[   51.321573] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.321604] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.321698] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.321725] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.321766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.321804] RBP: 0000000000000000 R08: ff3addb94453c050 R09: ff3addb94a5f102c
[   51.321839] R10: ff3addb94a5ee120 R11: fefefefefefefeff R12: 0000000000000000
[   51.321878] R13: 0000000000000011 R14: ff3addb94a5ee000 R15: ff3addb941913000
[   51.321924] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.321969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.322002] CR2: 00007f2e2d6b3000 CR3: 0000000009647005 CR4: 0000000000771ef0
[   51.322046] PKRU: 55555554
[   51.322060] Call Trace:
[   51.322075]  <TASK>
[   51.322090]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.322117]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.322151]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.322174]  cleanup_net (net/core/net_namespace.c:702)
[   51.322196]  process_one_work (kernel/workqueue.c:3314)
[   51.322216]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.322236]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.322254]  kthread (kernel/kthread.c:436)
[   51.322274]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.322295]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.322315]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.322334]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.368052] ------------[ cut here ]------------
| [   51.368098] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.368172] Modules linked in: ipvtap ipvlan
| [   51.368268] Tainted: [W]=WARN
[   51.368290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.368324] Workqueue: netns cleanup_net
[   51.368348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.368372] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.368467] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.368493] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.368537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.368575] RBP: 0000000000000000 R08: ff3addb94a645fd0 R09: ff3addb94aff6830
[   51.368616] R10: ff3addb94affa120 R11: fefefefefefefeff R12: 0000000000000000
[   51.368660] R13: 0000000000000011 R14: ff3addb94affa000 R15: ff3addb941913000
[   51.368705] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.368747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.368780] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.368823] PKRU: 55555554
[   51.368838] Call Trace:
[   51.368853]  <TASK>
[   51.368868]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.368896]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.368926]  cleanup_net (net/core/net_namespace.c:702)
[   51.368951]  process_one_work (kernel/workqueue.c:3314)
[   51.368976]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.368997]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.369020]  kthread (kernel/kthread.c:436)
[   51.369041]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.369062]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.369085]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.369106]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.369228] ------------[ cut here ]------------
| [   51.369255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.369304] Modules linked in: ipvtap ipvlan
| [   51.369390] Tainted: [W]=WARN
[   51.369412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.369448] Workqueue: netns cleanup_net
[   51.369470] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.369494] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.369588] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.369617] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.369660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.369704] RBP: 0000000000000000 R08: ff3addb94a243590 R09: ff3addb94afe5830
[   51.369744] R10: ff3addb94afed120 R11: fefefefefefefeff R12: 0000000000000000
[   51.369788] R13: 0000000000000011 R14: ff3addb94afed000 R15: ff3addb941913000
[   51.369830] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.369877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.369910] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.369965] PKRU: 55555554
[   51.369978] Call Trace:
[   51.369994]  <TASK>
[   51.370008]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.370037]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.370061]  cleanup_net (net/core/net_namespace.c:702)
[   51.370085]  process_one_work (kernel/workqueue.c:3314)
[   51.370108]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.370131]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.370156]  kthread (kernel/kthread.c:436)
[   51.370179]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.370197]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.370219]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.370240]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.370348] ------------[ cut here ]------------
| [   51.370374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.370424] Modules linked in: ipvtap ipvlan
| [   51.370514] Tainted: [W]=WARN
[   51.370536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.370572] Workqueue: netns cleanup_net
[   51.370590] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.370618] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.370719] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.370747] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.370787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.370830] RBP: 0000000000000000 R08: ff3addb94a339450 R09: ff3addb94aff0834
[   51.370870] R10: ff3addb94afe8120 R11: fefefefefefefeff R12: 0000000000000000
[   51.370908] R13: 0000000000000011 R14: ff3addb94afe8000 R15: ff3addb941913000
[   51.370953] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.370997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.371036] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.371077] PKRU: 55555554
[   51.371090] Call Trace:
[   51.371104]  <TASK>
[   51.371118]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.371145]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.371168]  cleanup_net (net/core/net_namespace.c:702)
[   51.371191]  process_one_work (kernel/workqueue.c:3314)
[   51.371214]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.371235]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.371255]  kthread (kernel/kthread.c:436)
[   51.371278]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.371299]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.371321]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.371344]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.371440] ------------[ cut here ]------------
| [   51.371467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.371530] Modules linked in: ipvtap ipvlan
| [   51.371619] Tainted: [W]=WARN
[   51.371640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.371676] Workqueue: netns cleanup_net
[   51.371694] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.371720] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.371811] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.371836] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.371880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.371925] RBP: 0000000000000000 R08: ff3addb94a339350 R09: ff3addb94afe0030
[   51.371968] R10: ff3addb94afe9120 R11: fefefefefefefeff R12: 0000000000000000
[   51.372007] R13: 0000000000000011 R14: ff3addb94afe9000 R15: ff3addb941913000
[   51.372048] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.372097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.372131] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.372180] PKRU: 55555554
[   51.372193] Call Trace:
[   51.372208]  <TASK>
[   51.372222]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.372250]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.372271]  cleanup_net (net/core/net_namespace.c:702)
[   51.372292]  process_one_work (kernel/workqueue.c:3314)
[   51.372311]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.372332]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.372354]  kthread (kernel/kthread.c:436)
[   51.372375]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.372398]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.372420]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.372440]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.372534] ------------[ cut here ]------------
| [   51.372563] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.372617] Modules linked in: ipvtap ipvlan
| [   51.372706] Tainted: [W]=WARN
[   51.372728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.372762] Workqueue: netns cleanup_net
[   51.372785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.372811] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.372903] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.372945] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.372985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.373021] RBP: 0000000000000000 R08: ff3addb94ae7b690 R09: ff3addb94afe2030
[   51.373062] R10: ff3addb94afea120 R11: fefefefefefefeff R12: 0000000000000000
[   51.373101] R13: 0000000000000011 R14: ff3addb94afea000 R15: ff3addb941913000
[   51.373142] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.373204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.373240] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.373281] PKRU: 55555554
[   51.373294] Call Trace:
[   51.373310]  <TASK>
[   51.373324]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.373352]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.373374]  cleanup_net (net/core/net_namespace.c:702)
[   51.373395]  process_one_work (kernel/workqueue.c:3314)
[   51.373415]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.373437]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.373457]  kthread (kernel/kthread.c:436)
[   51.373482]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.373509]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.373532]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.373555]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.373690] ------------[ cut here ]------------
| [   51.373717] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.373773] Modules linked in: ipvtap ipvlan
| [   51.373857] Tainted: [W]=WARN
[   51.373877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.373906] Workqueue: netns cleanup_net
[   51.373934] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.373961] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.374063] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.374091] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.374139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.374182] RBP: 0000000000000000 R08: ff3addb94a339310 R09: ff3addb94afc0830
[   51.374222] R10: ff3addb94afb9120 R11: fefefefefefefeff R12: 0000000000000000
[   51.374262] R13: 0000000000000011 R14: ff3addb94afb9000 R15: ff3addb941913000
[   51.374306] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.374352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.374387] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.374424] PKRU: 55555554
[   51.374439] Call Trace:
[   51.374455]  <TASK>
[   51.374471]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.374503]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.374526]  cleanup_net (net/core/net_namespace.c:702)
[   51.374549]  process_one_work (kernel/workqueue.c:3314)
[   51.374570]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.374591]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.374614]  kthread (kernel/kthread.c:436)
[   51.374634]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.374652]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.374673]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.374694]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.374801] ------------[ cut here ]------------
| [   51.374827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.374875] Modules linked in: ipvtap ipvlan
| [   51.374977] Tainted: [W]=WARN
[   51.374999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.375031] Workqueue: netns cleanup_net
[   51.375054] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.375082] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.375185] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.375214] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.375253] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.375296] RBP: 0000000000000000 R08: ff3addb94a3393d0 R09: ff3addb94afc3830
[   51.375333] R10: ff3addb94af6c120 R11: fefefefefefefeff R12: 0000000000000000
[   51.375381] R13: 0000000000000011 R14: ff3addb94af6c000 R15: ff3addb941913000
[   51.375422] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.375464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.375499] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.375540] PKRU: 55555554
[   51.375554] Call Trace:
[   51.375568]  <TASK>
[   51.375583]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.375613]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.375633]  cleanup_net (net/core/net_namespace.c:702)
[   51.375652]  process_one_work (kernel/workqueue.c:3314)
[   51.375673]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.375694]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.375716]  kthread (kernel/kthread.c:436)
[   51.375741]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.375763]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.375786]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.375806]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.375913] ------------[ cut here ]------------
| [   51.375946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.376004] Modules linked in: ipvtap ipvlan
| [   51.376099] Tainted: [W]=WARN
[   51.376119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.376157] Workqueue: netns cleanup_net
[   51.376178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.376206] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.376292] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.376320] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.376362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.376402] RBP: 0000000000000000 R08: ff3addb94a339650 R09: ff3addb94af72834
[   51.376441] R10: ff3addb94af6f120 R11: fefefefefefefeff R12: 0000000000000000
[   51.376485] R13: 0000000000000011 R14: ff3addb94af6f000 R15: ff3addb941913000
[   51.376530] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.376574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.376611] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.376652] PKRU: 55555554
[   51.376667] Call Trace:
[   51.376681]  <TASK>
[   51.376694]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.376723]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.376745]  cleanup_net (net/core/net_namespace.c:702)
[   51.376766]  process_one_work (kernel/workqueue.c:3314)
[   51.376783]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.376807]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.376829]  kthread (kernel/kthread.c:436)
[   51.376852]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.376876]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.376899]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.376923]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.377021] ------------[ cut here ]------------
| [   51.377071] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.377133] Modules linked in: ipvtap ipvlan
| [   51.377222] Tainted: [W]=WARN
[   51.377243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.377281] Workqueue: netns cleanup_net
[   51.377302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.377329] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.377439] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.377467] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.377510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.377553] RBP: 0000000000000000 R08: ff3addb94ac80bd0 R09: ff3addb94af52030
[   51.377593] R10: ff3addb94af68120 R11: fefefefefefefeff R12: 0000000000000000
[   51.377642] R13: 0000000000000011 R14: ff3addb94af68000 R15: ff3addb941913000
[   51.377687] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.377728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.377757] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.377791] PKRU: 55555554
[   51.377812] Call Trace:
[   51.377825]  <TASK>
[   51.377840]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.377872]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.377894]  cleanup_net (net/core/net_namespace.c:702)
[   51.377918]  process_one_work (kernel/workqueue.c:3314)
[   51.377940]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.377962]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.377987]  kthread (kernel/kthread.c:436)
[   51.378023]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.378045]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.378073]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.378093]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.378200] ------------[ cut here ]------------
| [   51.378226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.378282] Modules linked in: ipvtap ipvlan
| [   51.378371] Tainted: [W]=WARN
[   51.378392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.378430] Workqueue: netns cleanup_net
[   51.378451] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.378481] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.378586] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.378615] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.378657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.378698] RBP: 0000000000000000 R08: ff3addb94ac80510 R09: ff3addb94af54030
[   51.378736] R10: ff3addb94af69120 R11: fefefefefefefeff R12: 0000000000000000
[   51.378779] R13: 0000000000000011 R14: ff3addb94af69000 R15: ff3addb941913000
[   51.378823] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.378861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.378896] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.378945] PKRU: 55555554
[   51.378957] Call Trace:
[   51.378971]  <TASK>
[   51.378986]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.379017]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.379041]  cleanup_net (net/core/net_namespace.c:702)
[   51.379064]  process_one_work (kernel/workqueue.c:3314)
[   51.379085]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.379105]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.379126]  kthread (kernel/kthread.c:436)
[   51.379151]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.379172]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.379194]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.379215]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.379331] ------------[ cut here ]------------
| [   51.379361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.379419] Modules linked in: ipvtap ipvlan
| [   51.379501] Tainted: [W]=WARN
[   51.379529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.379563] Workqueue: netns cleanup_net
[   51.379588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.379619] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.379713] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.379742] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.379783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.379824] RBP: 0000000000000000 R08: ff3addb94a2437d0 R09: ff3addb94ae00830
[   51.379865] R10: ff3addb94adf8120 R11: fefefefefefefeff R12: 0000000000000000
[   51.379903] R13: 0000000000000011 R14: ff3addb94adf8000 R15: ff3addb941913000
[   51.379947] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.379989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.380022] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.380068] PKRU: 55555554
[   51.380080] Call Trace:
[   51.380094]  <TASK>
[   51.380109]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.380138]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.380165]  cleanup_net (net/core/net_namespace.c:702)
[   51.380183]  process_one_work (kernel/workqueue.c:3314)
[   51.380204]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.380225]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.380246]  kthread (kernel/kthread.c:436)
[   51.380269]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.380292]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.380313]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.380333]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.380438] ------------[ cut here ]------------
| [   51.380464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.380521] Modules linked in: ipvtap ipvlan
| [   51.380607] Tainted: [W]=WARN
[   51.380629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.380660] Workqueue: netns cleanup_net
[   51.380682] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.380711] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.380807] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.380835] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.380878] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.380917] RBP: 0000000000000000 R08: ff3addb94a339090 R09: ff3addb94ae03830
[   51.380959] R10: ff3addb94adfb120 R11: fefefefefefefeff R12: 0000000000000000
[   51.380999] R13: 0000000000000011 R14: ff3addb94adfb000 R15: ff3addb941913000
[   51.381045] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.381087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.381123] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.381173] PKRU: 55555554
[   51.381189] Call Trace:
[   51.381203]  <TASK>
[   51.381218]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.381247]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.381269]  cleanup_net (net/core/net_namespace.c:702)
[   51.381291]  process_one_work (kernel/workqueue.c:3314)
[   51.381313]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.381335]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.381356]  kthread (kernel/kthread.c:436)
[   51.381377]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.381399]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.381420]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.381440]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.381542] ------------[ cut here ]------------
| [   51.381569] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.381627] Modules linked in: ipvtap ipvlan
| [   51.381714] Tainted: [W]=WARN
[   51.381735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.381770] Workqueue: netns cleanup_net
[   51.381792] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.381819] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.381918] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.381954] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.381996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.382038] RBP: 0000000000000000 R08: ff3addb94a54e3d0 R09: ff3addb94ade2834
[   51.382080] R10: ff3addb94adf6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.382127] R13: 0000000000000011 R14: ff3addb94adf6000 R15: ff3addb941913000
[   51.382182] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.382226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.382262] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.382304] PKRU: 55555554
[   51.382320] Call Trace:
[   51.382333]  <TASK>
[   51.382347]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.382378]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.382399]  cleanup_net (net/core/net_namespace.c:702)
[   51.382425]  process_one_work (kernel/workqueue.c:3314)
[   51.382453]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.382474]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.382494]  kthread (kernel/kthread.c:436)
[   51.382517]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.382539]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.382561]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.382580]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.382678] ------------[ cut here ]------------
| [   51.382705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.382765] Modules linked in: ipvtap ipvlan
| [   51.382858] Tainted: [W]=WARN
[   51.382879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.382912] Workqueue: netns cleanup_net
[   51.382939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.382969] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.383070] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.383098] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.383137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.383183] RBP: 0000000000000000 R08: ff3addb94a54ea10 R09: ff3addb94ade5030
[   51.383229] R10: ff3addb94adf7120 R11: fefefefefefefeff R12: 0000000000000000
[   51.383267] R13: 0000000000000011 R14: ff3addb94adf7000 R15: ff3addb941913000
[   51.383311] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.383354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.383386] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.383429] PKRU: 55555554
[   51.383444] Call Trace:
[   51.383457]  <TASK>
[   51.383472]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.383499]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.383521]  cleanup_net (net/core/net_namespace.c:702)
[   51.383542]  process_one_work (kernel/workqueue.c:3314)
[   51.383565]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.383586]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.383606]  kthread (kernel/kthread.c:436)
[   51.383628]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.383651]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.383673]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.383696]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.383798] ------------[ cut here ]------------
| [   51.383825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.383883] Modules linked in: ipvtap ipvlan
| [   51.383973] Tainted: [W]=WARN
[   51.383992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.384029] Workqueue: netns cleanup_net
[   51.384052] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.384081] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.384179] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.384206] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.384245] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.384285] RBP: 0000000000000000 R08: ff3addb94337d3d0 R09: ff3addb94ade7030
[   51.384325] R10: ff3addb94adf0120 R11: fefefefefefefeff R12: 0000000000000000
[   51.384367] R13: 0000000000000011 R14: ff3addb94adf0000 R15: ff3addb941913000
[   51.384407] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.384441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.384477] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.384526] PKRU: 55555554
[   51.384542] Call Trace:
[   51.384560]  <TASK>
[   51.384576]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.384604]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.384625]  cleanup_net (net/core/net_namespace.c:702)
[   51.384647]  process_one_work (kernel/workqueue.c:3314)
[   51.384667]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.384686]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.384709]  kthread (kernel/kthread.c:436)
[   51.384731]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.384752]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.384772]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.384792]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.384904] ------------[ cut here ]------------
| [   51.384934] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.384984] Modules linked in: ipvtap ipvlan
| [   51.385069] Tainted: [W]=WARN
[   51.385091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.385127] Workqueue: netns cleanup_net
[   51.385153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.385186] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.385289] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.385319] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.385363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.385407] RBP: 0000000000000000 R08: ff3addb94a738590 R09: ff3addb94ae10830
[   51.385449] R10: ff3addb94ad97120 R11: fefefefefefefeff R12: 0000000000000000
[   51.385492] R13: 0000000000000011 R14: ff3addb94ad97000 R15: ff3addb941913000
[   51.385539] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.385583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.385618] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.385660] PKRU: 55555554
[   51.385674] Call Trace:
[   51.385687]  <TASK>
[   51.385702]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.385731]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.385751]  cleanup_net (net/core/net_namespace.c:702)
[   51.385774]  process_one_work (kernel/workqueue.c:3314)
[   51.385796]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.385818]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.385840]  kthread (kernel/kthread.c:436)
[   51.385860]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.385883]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.385906]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.385943]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.386065] ------------[ cut here ]------------
| [   51.386101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.386165] Modules linked in: ipvtap ipvlan
| [   51.386258] Tainted: [W]=WARN
[   51.386281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.386316] Workqueue: netns cleanup_net
[   51.386338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.386369] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.386477] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.386507] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.386551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.386598] RBP: 0000000000000000 R08: ff3addb944519a50 R09: ff3addb94ae13830
[   51.386641] R10: ff3addb94ad92120 R11: fefefefefefefeff R12: 0000000000000000
[   51.386684] R13: 0000000000000011 R14: ff3addb94ad92000 R15: ff3addb941913000
[   51.386728] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.386769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.386803] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.386847] PKRU: 55555554
[   51.386861] Call Trace:
[   51.386875]  <TASK>
[   51.386889]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.386917]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.386941]  cleanup_net (net/core/net_namespace.c:702)
[   51.386962]  process_one_work (kernel/workqueue.c:3314)
[   51.386984]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.387006]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.387029]  kthread (kernel/kthread.c:436)
[   51.387052]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.387075]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.387097]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.387119]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.387228] ------------[ cut here ]------------
| [   51.387254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.387318] Modules linked in: ipvtap ipvlan
| [   51.387403] Tainted: [W]=WARN
[   51.387423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.387459] Workqueue: netns cleanup_net
[   51.387482] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.387508] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.387611] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.387638] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.387681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.387722] RBP: 0000000000000000 R08: ff3addb94a738690 R09: ff3addb94ad82834
[   51.387762] R10: ff3addb94ad8d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.387804] R13: 0000000000000011 R14: ff3addb94ad8d000 R15: ff3addb941913000
[   51.387847] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.387886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.387917] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.387960] PKRU: 55555554
[   51.387974] Call Trace:
[   51.387988]  <TASK>
[   51.388003]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.388032]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.388054]  cleanup_net (net/core/net_namespace.c:702)
[   51.388076]  process_one_work (kernel/workqueue.c:3314)
[   51.388097]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.388119]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.388141]  kthread (kernel/kthread.c:436)
[   51.388166]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.388188]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.388210]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.388230]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.388327] ------------[ cut here ]------------
| [   51.388351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.388404] Modules linked in: ipvtap ipvlan
| [   51.388491] Tainted: [W]=WARN
[   51.388512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.388548] Workqueue: netns cleanup_net
[   51.388574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.388604] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.388704] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.388734] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.388776] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.388818] RBP: 0000000000000000 R08: ff3addb94a4c4e90 R09: ff3addb94ad86030
[   51.388864] R10: ff3addb94ad8e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.388907] R13: 0000000000000011 R14: ff3addb94ad8e000 R15: ff3addb941913000
[   51.388961] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.389009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.389043] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.389085] PKRU: 55555554
[   51.389100] Call Trace:
[   51.389113]  <TASK>
[   51.389129]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.389164]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.389186]  cleanup_net (net/core/net_namespace.c:702)
[   51.389208]  process_one_work (kernel/workqueue.c:3314)
[   51.389231]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.389251]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.389271]  kthread (kernel/kthread.c:436)
[   51.389295]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.389317]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.389343]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.389365]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.389469] ------------[ cut here ]------------
| [   51.389497] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.389560] Modules linked in: ipvtap ipvlan
| [   51.389647] Tainted: [W]=WARN
[   51.389666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.389699] Workqueue: netns cleanup_net
[   51.389721] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.389750] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.389846] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.389874] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.389915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.389960] RBP: 0000000000000000 R08: ff3addb94a738150 R09: ff3addb94ad7c030
[   51.390005] R10: ff3addb94ad8f120 R11: fefefefefefefeff R12: 0000000000000000
[   51.390040] R13: 0000000000000011 R14: ff3addb94ad8f000 R15: ff3addb941913000
[   51.390082] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.390124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.390160] CR2: 00007fad99ffb000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.390202] PKRU: 55555554
[   51.390215] Call Trace:
[   51.390232]  <TASK>
[   51.390248]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.390275]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.390298]  cleanup_net (net/core/net_namespace.c:702)
[   51.390320]  process_one_work (kernel/workqueue.c:3314)
[   51.390341]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.390362]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.390380]  kthread (kernel/kthread.c:436)
[   51.390403]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.390420]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.390445]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.390464]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.399995] ------------[ cut here ]------------
| [   51.400028] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.400085] Modules linked in: ipvtap ipvlan
| [   51.400180] Tainted: [W]=WARN
[   51.400198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.400234] Workqueue: netns cleanup_net
[   51.400257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.400285] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.400395] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.400421] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.400464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.400514] RBP: 0000000000000000 R08: ff3addb94ae7bf90 R09: ff3addb94ad8f02c
[   51.400562] R10: ff3addb94afcd120 R11: fefefefefefefeff R12: 0000000000000000
[   51.400602] R13: 0000000000000010 R14: ff3addb94afcd000 R15: ff3addb941913000
[   51.400647] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.400695] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.400733] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.400777] PKRU: 55555554
[   51.400789] Call Trace:
[   51.400803]  <TASK>
[   51.400818]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.400840]  netif_close_many (net/core/dev.c:1804)
[   51.400862]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.400891]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.400913]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.400942]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.400969]  cleanup_net (net/core/net_namespace.c:702)
[   51.400991]  process_one_work (kernel/workqueue.c:3314)
[   51.401010]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.401037]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.401057]  kthread (kernel/kthread.c:436)
[   51.401079]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.401104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.401126]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.401154]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.401242] ------------[ cut here ]------------
| [   51.401268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.401318] Modules linked in: ipvtap ipvlan
| [   51.401409] Tainted: [W]=WARN
[   51.401432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.401465] Workqueue: netns cleanup_net
[   51.401486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.401514] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.401621] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.401654] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.401694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.401735] RBP: 0000000000000000 R08: ff3addb94a738c90 R09: ff3addb94ad8f02c
[   51.401781] R10: ff3addb94af44120 R11: fefefefefefefeff R12: 0000000000000000
[   51.401820] R13: 0000000000000010 R14: ff3addb94af44000 R15: ff3addb941913000
[   51.401866] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.401910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.401948] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.401991] PKRU: 55555554
[   51.402006] Call Trace:
[   51.402020]  <TASK>
[   51.402037]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.402058]  netif_close_many (net/core/dev.c:1804)
[   51.402081]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.402111]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.402134]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.402168]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.402197]  cleanup_net (net/core/net_namespace.c:702)
[   51.402220]  process_one_work (kernel/workqueue.c:3314)
[   51.402243]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.402267]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.402290]  kthread (kernel/kthread.c:436)
[   51.402312]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.402337]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.402361]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.402381]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.402474] ------------[ cut here ]------------
| [   51.402507] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.402566] Modules linked in: ipvtap ipvlan
| [   51.402662] Tainted: [W]=WARN
[   51.402687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.402722] Workqueue: netns cleanup_net
[   51.402746] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.402777] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.402877] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.402907] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.402955] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.402998] RBP: 0000000000000000 R08: ff3addb94a243e10 R09: ff3addb94ad8f02c
[   51.403043] R10: ff3addb94adf3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.403088] R13: 0000000000000010 R14: ff3addb94adf3000 R15: ff3addb941913000
[   51.403136] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.403190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.403226] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.403271] PKRU: 55555554
[   51.403286] Call Trace:
[   51.403301]  <TASK>
[   51.403316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.403340]  netif_close_many (net/core/dev.c:1804)
[   51.403363]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.403393]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.403419]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.403449]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.403472]  cleanup_net (net/core/net_namespace.c:702)
[   51.403494]  process_one_work (kernel/workqueue.c:3314)
[   51.403515]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.403536]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.403559]  kthread (kernel/kthread.c:436)
[   51.403584]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.403606]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.403630]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.403654]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.403742] ------------[ cut here ]------------
| [   51.403770] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.403833] Modules linked in: ipvtap ipvlan
| [   51.403929] Tainted: [W]=WARN
[   51.403951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.403986] Workqueue: netns cleanup_net
[   51.404008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.404037] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.404128] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.404159] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.404200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.404241] RBP: 0000000000000000 R08: ff3addb94a54efd0 R09: ff3addb94ad8f02c
[   51.404283] R10: ff3addb94ad8a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.404323] R13: 0000000000000010 R14: ff3addb94ad8a000 R15: ff3addb941913000
[   51.404365] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.404411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.404447] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.404486] PKRU: 55555554
[   51.404500] Call Trace:
[   51.404514]  <TASK>
[   51.404528]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.404550]  netif_close_many (net/core/dev.c:1804)
[   51.404573]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.404598]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.404619]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.404645]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.404666]  cleanup_net (net/core/net_namespace.c:702)
[   51.404689]  process_one_work (kernel/workqueue.c:3314)
[   51.404709]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.404732]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.404754]  kthread (kernel/kthread.c:436)
[   51.404777]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.404800]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.404823]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.404843]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.404985] ------------[ cut here ]------------
| [   51.405018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.405061] Modules linked in: ipvtap ipvlan
| [   51.405138] Tainted: [W]=WARN
[   51.405163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.405202] Workqueue: netns cleanup_net
[   51.405224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.405252] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.405343] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.405371] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.405417] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.405462] RBP: 0000000000000000 R08: ff3addb94ae7bf90 R09: ff3addb94afe382c
[   51.405508] R10: ff3addb94afcd120 R11: fefefefefefefeff R12: 0000000000000000
[   51.405549] R13: 0000000000000011 R14: ff3addb94afcd000 R15: ff3addb941913000
[   51.405594] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.405640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.405676] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.405717] PKRU: 55555554
[   51.405731] Call Trace:
[   51.405749]  <TASK>
[   51.405764]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.405793]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.405820]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.405842]  cleanup_net (net/core/net_namespace.c:702)
[   51.405865]  process_one_work (kernel/workqueue.c:3314)
[   51.405887]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.405906]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.405937]  kthread (kernel/kthread.c:436)
[   51.405958]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.405981]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.406005]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.406029]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.406145] ------------[ cut here ]------------
| [   51.406176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.406225] Modules linked in: ipvtap ipvlan
| [   51.406316] Tainted: [W]=WARN
[   51.406337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.406375] Workqueue: netns cleanup_net
[   51.406394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.406420] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.406519] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.406545] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.406589] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.406630] RBP: 0000000000000000 R08: ff3addb94a738c90 R09: ff3addb94af5582c
[   51.406673] R10: ff3addb94af44120 R11: fefefefefefefeff R12: 0000000000000000
[   51.406717] R13: 0000000000000011 R14: ff3addb94af44000 R15: ff3addb941913000
[   51.406758] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.406803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.406838] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.406877] PKRU: 55555554
[   51.406890] Call Trace:
[   51.406905]  <TASK>
[   51.406917]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.406948]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.406979]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.407001]  cleanup_net (net/core/net_namespace.c:702)
[   51.407021]  process_one_work (kernel/workqueue.c:3314)
[   51.407041]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.407062]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.407084]  kthread (kernel/kthread.c:436)
[   51.407105]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.407126]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.407151]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.407172]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.407277] ------------[ cut here ]------------
| [   51.407306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.407363] Modules linked in: ipvtap ipvlan
| [   51.407448] Tainted: [W]=WARN
[   51.407467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.407502] Workqueue: netns cleanup_net
[   51.407525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.407557] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.407650] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.407677] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.407716] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.407756] RBP: 0000000000000000 R08: ff3addb94a243e10 R09: ff3addb94a6b482c
[   51.407796] R10: ff3addb94adf3120 R11: fefefefefefefeff R12: 0000000000000000
[   51.407835] R13: 0000000000000011 R14: ff3addb94adf3000 R15: ff3addb941913000
[   51.407877] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.407917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.407956] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.407997] PKRU: 55555554
[   51.408009] Call Trace:
[   51.408021]  <TASK>
[   51.408036]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.408065]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.408094]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.408117]  cleanup_net (net/core/net_namespace.c:702)
[   51.408140]  process_one_work (kernel/workqueue.c:3314)
[   51.408164]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.408186]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.408206]  kthread (kernel/kthread.c:436)
[   51.408226]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.408248]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.408268]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.408289]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.408390] ------------[ cut here ]------------
| [   51.408415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.408469] Modules linked in: ipvtap ipvlan
| [   51.408548] Tainted: [W]=WARN
[   51.408567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.408603] Workqueue: netns cleanup_net
[   51.408622] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.408647] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.408742] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.408765] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.408806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.408845] RBP: 0000000000000000 R08: ff3addb94a54efd0 R09: ff3addb94ad7d82c
[   51.408885] R10: ff3addb94ad8a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.408926] R13: 0000000000000011 R14: ff3addb94ad8a000 R15: ff3addb941913000
[   51.408971] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.409013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.409050] CR2: 00007fd08c851000 CR3: 0000000009647006 CR4: 0000000000771ef0
[   51.409093] PKRU: 55555554
[   51.409106] Call Trace:
[   51.409121]  <TASK>
[   51.409135]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.409166]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.409190]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.409209]  cleanup_net (net/core/net_namespace.c:702)
[   51.409232]  process_one_work (kernel/workqueue.c:3314)
[   51.409254]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.409276]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.409296]  kthread (kernel/kthread.c:436)
[   51.409317]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.409340]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.409361]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.409384]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.455066] ------------[ cut here ]------------
| [   51.455107] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.455176] Modules linked in: ipvtap ipvlan
| [   51.455268] Tainted: [W]=WARN
[   51.455294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.455328] Workqueue: netns cleanup_net
[   51.455356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.455385] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.455481] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.455513] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.455552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.455595] RBP: 0000000000000000 R08: ff3addb94b374b90 R09: ff3addb94b8e9030
[   51.455638] R10: ff3addb94b8f2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.455681] R13: 0000000000000011 R14: ff3addb94b8f2000 R15: ff3addb941913000
[   51.455729] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.455771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.455811] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.455853] PKRU: 55555554
[   51.455867] Call Trace:
[   51.455884]  <TASK>
[   51.455899]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.455933]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.455954]  cleanup_net (net/core/net_namespace.c:702)
[   51.455979]  process_one_work (kernel/workqueue.c:3314)
[   51.456000]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.456020]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.456039]  kthread (kernel/kthread.c:436)
[   51.456059]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.456081]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.456103]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.456122]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.456243] ------------[ cut here ]------------
| [   51.456272] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.456328] Modules linked in: ipvtap ipvlan
| [   51.456417] Tainted: [W]=WARN
[   51.456440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.456471] Workqueue: netns cleanup_net
[   51.456495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.456522] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.456616] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.456646] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.456687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.456728] RBP: 0000000000000000 R08: ff3addb94af3df90 R09: ff3addb94b8ec030
[   51.456768] R10: ff3addb94b8e5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.456814] R13: 0000000000000011 R14: ff3addb94b8e5000 R15: ff3addb941913000
[   51.456859] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.456905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.456943] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.456989] PKRU: 55555554
[   51.457002] Call Trace:
[   51.457019]  <TASK>
[   51.457033]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.457063]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.457083]  cleanup_net (net/core/net_namespace.c:702)
[   51.457104]  process_one_work (kernel/workqueue.c:3314)
[   51.457126]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.457152]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.457173]  kthread (kernel/kthread.c:436)
[   51.457196]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.457218]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.457239]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.457262]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.457370] ------------[ cut here ]------------
| [   51.457395] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.457443] Modules linked in: ipvtap ipvlan
| [   51.457528] Tainted: [W]=WARN
[   51.457549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.457582] Workqueue: netns cleanup_net
[   51.457606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.457636] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.457738] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.457766] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.457808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.457848] RBP: 0000000000000000 R08: ff3addb94ac80710 R09: ff3addb94b823034
[   51.457893] R10: ff3addb94b8e0120 R11: fefefefefefefeff R12: 0000000000000000
[   51.457940] R13: 0000000000000011 R14: ff3addb94b8e0000 R15: ff3addb941913000
[   51.457983] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.458024] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.458056] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.458095] PKRU: 55555554
[   51.458108] Call Trace:
[   51.458120]  <TASK>
[   51.458136]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.458170]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.458192]  cleanup_net (net/core/net_namespace.c:702)
[   51.458213]  process_one_work (kernel/workqueue.c:3314)
[   51.458235]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.458257]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.458279]  kthread (kernel/kthread.c:436)
[   51.458300]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.458321]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.458343]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.458365]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.458469] ------------[ cut here ]------------
| [   51.458495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.458543] Modules linked in: ipvtap ipvlan
| [   51.458629] Tainted: [W]=WARN
[   51.458650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.458686] Workqueue: netns cleanup_net
[   51.458709] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.458740] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.458837] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.458864] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.458909] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.458956] RBP: 0000000000000000 R08: ff3addb94ac807d0 R09: ff3addb94b804030
[   51.458998] R10: ff3addb94b8e1120 R11: fefefefefefefeff R12: 0000000000000000
[   51.459043] R13: 0000000000000011 R14: ff3addb94b8e1000 R15: ff3addb941913000
[   51.459093] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.459135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.459181] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.459224] PKRU: 55555554
[   51.459238] Call Trace:
[   51.459250]  <TASK>
[   51.459262]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.459292]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.459314]  cleanup_net (net/core/net_namespace.c:702)
[   51.459337]  process_one_work (kernel/workqueue.c:3314)
[   51.459357]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.459379]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.459400]  kthread (kernel/kthread.c:436)
[   51.459424]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.459443]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.459465]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.459487]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.459578] ------------[ cut here ]------------
| [   51.459604] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.459658] Modules linked in: ipvtap ipvlan
| [   51.459743] Tainted: [W]=WARN
[   51.459765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.459803] Workqueue: netns cleanup_net
[   51.459825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.459852] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.459956] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.459984] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.460024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.460067] RBP: 0000000000000000 R08: ff3addb94b374450 R09: ff3addb94b827830
[   51.460100] R10: ff3addb94b8e2120 R11: fefefefefefefeff R12: 0000000000000000
[   51.460139] R13: 0000000000000011 R14: ff3addb94b8e2000 R15: ff3addb941913000
[   51.460187] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.460231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.460267] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.460312] PKRU: 55555554
[   51.460327] Call Trace:
[   51.460343]  <TASK>
[   51.460361]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.460392]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.460414]  cleanup_net (net/core/net_namespace.c:702)
[   51.460439]  process_one_work (kernel/workqueue.c:3314)
[   51.460461]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.460483]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.460502]  kthread (kernel/kthread.c:436)
[   51.460523]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.460545]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.460567]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.460590]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.460698] ------------[ cut here ]------------
| [   51.460724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.460769] Modules linked in: ipvtap ipvlan
| [   51.460857] Tainted: [W]=WARN
[   51.460879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.460915] Workqueue: netns cleanup_net
[   51.460939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.460971] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.461073] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.461101] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.461145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.461193] RBP: 0000000000000000 R08: ff3addb94af022d0 R09: ff3addb94b805030
[   51.461235] R10: ff3addb94b3f9120 R11: fefefefefefefeff R12: 0000000000000000
[   51.461281] R13: 0000000000000011 R14: ff3addb94b3f9000 R15: ff3addb941913000
[   51.461327] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.461368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.461401] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.461442] PKRU: 55555554
[   51.461457] Call Trace:
[   51.461470]  <TASK>
[   51.461483]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.461510]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.461532]  cleanup_net (net/core/net_namespace.c:702)
[   51.461554]  process_one_work (kernel/workqueue.c:3314)
[   51.461575]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.461595]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.461615]  kthread (kernel/kthread.c:436)
[   51.461636]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.461658]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.461681]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.461703]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.461817] ------------[ cut here ]------------
| [   51.461843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.461892] Modules linked in: ipvtap ipvlan
| [   51.461985] Tainted: [W]=WARN
[   51.462006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.462041] Workqueue: netns cleanup_net
[   51.462065] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.462094] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.462193] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.462221] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.462258] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.462299] RBP: 0000000000000000 R08: ff3addb94aeb6790 R09: ff3addb94b3f4030
[   51.462338] R10: ff3addb94b32c120 R11: fefefefefefefeff R12: 0000000000000000
[   51.462379] R13: 0000000000000011 R14: ff3addb94b32c000 R15: ff3addb941913000
[   51.462422] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.462460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.462491] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.462532] PKRU: 55555554
[   51.462548] Call Trace:
[   51.462561]  <TASK>
[   51.462574]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.462602]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.462628]  cleanup_net (net/core/net_namespace.c:702)
[   51.462651]  process_one_work (kernel/workqueue.c:3314)
[   51.462674]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.462701]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.462721]  kthread (kernel/kthread.c:436)
[   51.462740]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.462767]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.462786]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.462807]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.462909] ------------[ cut here ]------------
| [   51.462938] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.462995] Modules linked in: ipvtap ipvlan
| [   51.463076] Tainted: [W]=WARN
[   51.463099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.463134] Workqueue: netns cleanup_net
[   51.463161] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.463191] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.463293] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.463322] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.463367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.463409] RBP: 0000000000000000 R08: ff3addb94a638290 R09: ff3addb94b3f7034
[   51.463453] R10: ff3addb94b32f120 R11: fefefefefefefeff R12: 0000000000000000
[   51.463491] R13: 0000000000000011 R14: ff3addb94b32f000 R15: ff3addb941913000
[   51.463532] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.463565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.463599] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.463639] PKRU: 55555554
[   51.463654] Call Trace:
[   51.463666]  <TASK>
[   51.463681]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.463706]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.463727]  cleanup_net (net/core/net_namespace.c:702)
[   51.463749]  process_one_work (kernel/workqueue.c:3314)
[   51.463771]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.463790]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.463811]  kthread (kernel/kthread.c:436)
[   51.463834]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.463857]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.463877]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.463897]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.464004] ------------[ cut here ]------------
| [   51.464029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.464081] Modules linked in: ipvtap ipvlan
| [   51.464176] Tainted: [W]=WARN
[   51.464198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.464233] Workqueue: netns cleanup_net
[   51.464257] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.464286] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.464378] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.464404] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.464445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.464493] RBP: 0000000000000000 R08: ff3addb94a738f10 R09: ff3addb94b31e830
[   51.464534] R10: ff3addb94b328120 R11: fefefefefefefeff R12: 0000000000000000
[   51.464573] R13: 0000000000000011 R14: ff3addb94b328000 R15: ff3addb941913000
[   51.464618] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.464661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.464695] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.464736] PKRU: 55555554
[   51.464751] Call Trace:
[   51.464765]  <TASK>
[   51.464777]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.464806]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.464828]  cleanup_net (net/core/net_namespace.c:702)
[   51.464851]  process_one_work (kernel/workqueue.c:3314)
[   51.464873]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.464893]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.464915]  kthread (kernel/kthread.c:436)
[   51.464938]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.464961]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.464980]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.465003]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.465098] ------------[ cut here ]------------
| [   51.465125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.465175] Modules linked in: ipvtap ipvlan
| [   51.465253] Tainted: [W]=WARN
[   51.465273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.465307] Workqueue: netns cleanup_net
[   51.465328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.465359] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.465457] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.465484] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.465528] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.465568] RBP: 0000000000000000 R08: ff3addb94b148b90 R09: ff3addb94b166030
[   51.465610] R10: ff3addb94b329120 R11: fefefefefefefeff R12: 0000000000000000
[   51.465651] R13: 0000000000000011 R14: ff3addb94b329000 R15: ff3addb941913000
[   51.465690] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.465731] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.465766] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.465809] PKRU: 55555554
[   51.465823] Call Trace:
[   51.465838]  <TASK>
[   51.465851]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.465880]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.465903]  cleanup_net (net/core/net_namespace.c:702)
[   51.465926]  process_one_work (kernel/workqueue.c:3314)
[   51.465948]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.465967]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.465987]  kthread (kernel/kthread.c:436)
[   51.466008]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.466029]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.466051]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.466074]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.466186] ------------[ cut here ]------------
| [   51.466214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.466271] Modules linked in: ipvtap ipvlan
| [   51.466351] Tainted: [W]=WARN
[   51.466371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.466406] Workqueue: netns cleanup_net
[   51.466432] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.466460] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.466553] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.466580] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.466625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.466668] RBP: 0000000000000000 R08: ff3addb94af02850 R09: ff3addb94b2ff030
[   51.466711] R10: ff3addb94b300120 R11: fefefefefefefeff R12: 0000000000000000
[   51.466749] R13: 0000000000000011 R14: ff3addb94b300000 R15: ff3addb941913000
[   51.466789] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.466831] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.466867] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.466908] PKRU: 55555554
[   51.466928] Call Trace:
[   51.466942]  <TASK>
[   51.466958]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.466984]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.467002]  cleanup_net (net/core/net_namespace.c:702)
[   51.467022]  process_one_work (kernel/workqueue.c:3314)
[   51.467045]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.467065]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.467086]  kthread (kernel/kthread.c:436)
[   51.467109]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.467130]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.467152]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.467174]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.467276] ------------[ cut here ]------------
| [   51.467302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.467354] Modules linked in: ipvtap ipvlan
| [   51.467442] Tainted: [W]=WARN
[   51.467467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.467501] Workqueue: netns cleanup_net
[   51.467525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.467555] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.467654] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.467683] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.467721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.467758] RBP: 0000000000000000 R08: ff3addb94ae7b450 R09: ff3addb94b23e030
[   51.467799] R10: ff3addb94b303120 R11: fefefefefefefeff R12: 0000000000000000
[   51.467837] R13: 0000000000000011 R14: ff3addb94b303000 R15: ff3addb941913000
[   51.467879] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.467925] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.467957] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.468023] PKRU: 55555554
[   51.468036] Call Trace:
[   51.468049]  <TASK>
[   51.468063]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.468089]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.468114]  cleanup_net (net/core/net_namespace.c:702)
[   51.468137]  process_one_work (kernel/workqueue.c:3314)
[   51.468159]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.468182]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.468203]  kthread (kernel/kthread.c:436)
[   51.468225]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.468246]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.468267]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.468290]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.468396] ------------[ cut here ]------------
| [   51.468421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.468475] Modules linked in: ipvtap ipvlan
| [   51.468564] Tainted: [W]=WARN
[   51.468586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.468620] Workqueue: netns cleanup_net
[   51.468643] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.468672] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.468765] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.468795] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.468835] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.468875] RBP: 0000000000000000 R08: ff3addb94af02910 R09: ff3addb94b2f9034
[   51.468916] R10: ff3addb94b236120 R11: fefefefefefefeff R12: 0000000000000000
[   51.468960] R13: 0000000000000011 R14: ff3addb94b236000 R15: ff3addb941913000
[   51.469005] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.469047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.469080] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.469121] PKRU: 55555554
[   51.469136] Call Trace:
[   51.469154]  <TASK>
[   51.469169]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.469193]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.469213]  cleanup_net (net/core/net_namespace.c:702)
[   51.469234]  process_one_work (kernel/workqueue.c:3314)
[   51.469255]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.469277]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.469299]  kthread (kernel/kthread.c:436)
[   51.469320]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.469340]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.469361]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.469384]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.469481] ------------[ cut here ]------------
| [   51.469507] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.469549] Modules linked in: ipvtap ipvlan
| [   51.469631] Tainted: [W]=WARN
[   51.469654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.469689] Workqueue: netns cleanup_net
[   51.469713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.469742] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.469846] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.469880] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.469929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.469973] RBP: 0000000000000000 R08: ff3addb94b148c90 R09: ff3addb94b238830
[   51.470011] R10: ff3addb94b237120 R11: fefefefefefefeff R12: 0000000000000000
[   51.470050] R13: 0000000000000011 R14: ff3addb94b237000 R15: ff3addb941913000
[   51.470096] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.470142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.470184] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.470224] PKRU: 55555554
[   51.470239] Call Trace:
[   51.470253]  <TASK>
[   51.470272]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.470304]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.470326]  cleanup_net (net/core/net_namespace.c:702)
[   51.470347]  process_one_work (kernel/workqueue.c:3314)
[   51.470370]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.470391]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.470413]  kthread (kernel/kthread.c:436)
[   51.470433]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.470456]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.470480]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.470506]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.470622] ------------[ cut here ]------------
| [   51.470657] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.470719] Modules linked in: ipvtap ipvlan
| [   51.470798] Tainted: [W]=WARN
[   51.470818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.470858] Workqueue: netns cleanup_net
[   51.470881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.470908] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.471010] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.471040] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.471080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.471136] RBP: 0000000000000000 R08: ff3addb94b148010 R09: ff3addb94b23a830
[   51.471180] R10: ff3addb94b230120 R11: fefefefefefefeff R12: 0000000000000000
[   51.471228] R13: 0000000000000011 R14: ff3addb94b230000 R15: ff3addb941913000
[   51.471264] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.471305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.471341] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.471387] PKRU: 55555554
[   51.471401] Call Trace:
[   51.471415]  <TASK>
[   51.471429]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.471471]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.471493]  cleanup_net (net/core/net_namespace.c:702)
[   51.471511]  process_one_work (kernel/workqueue.c:3314)
[   51.471533]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.471556]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.471576]  kthread (kernel/kthread.c:436)
[   51.471593]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.471617]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.471640]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.471659]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.471763] ------------[ cut here ]------------
| [   51.471798] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.471858] Modules linked in: ipvtap ipvlan
| [   51.471951] Tainted: [W]=WARN
[   51.471974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.472007] Workqueue: netns cleanup_net
[   51.472032] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.472057] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.472156] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.472183] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.472225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.472269] RBP: 0000000000000000 R08: ff3addb94a738a90 R09: ff3addb94b18f030
[   51.472302] R10: ff3addb94b20f120 R11: fefefefefefefeff R12: 0000000000000000
[   51.472344] R13: 0000000000000011 R14: ff3addb94b20f000 R15: ff3addb941913000
[   51.472383] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.472418] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.472452] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.472501] PKRU: 55555554
[   51.472517] Call Trace:
[   51.472532]  <TASK>
[   51.472544]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.472571]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.472590]  cleanup_net (net/core/net_namespace.c:702)
[   51.472613]  process_one_work (kernel/workqueue.c:3314)
[   51.472631]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.472650]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.472669]  kthread (kernel/kthread.c:436)
[   51.472696]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.472715]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.472736]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.472755]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.472855] ------------[ cut here ]------------
| [   51.472887] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.472949] Modules linked in: ipvtap ipvlan
| [   51.473027] Tainted: [W]=WARN
[   51.473047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.473084] Workqueue: netns cleanup_net
[   51.473106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.473133] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.473235] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.473262] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.473308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.473354] RBP: 0000000000000000 R08: ff3addb94af3d910 R09: ff3addb94b212030
[   51.473391] R10: ff3addb94b20a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.473432] R13: 0000000000000011 R14: ff3addb94b20a000 R15: ff3addb941913000
[   51.473480] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.473528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.473565] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.473607] PKRU: 55555554
[   51.473622] Call Trace:
[   51.473635]  <TASK>
[   51.473647]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.473672]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.473694]  cleanup_net (net/core/net_namespace.c:702)
[   51.473716]  process_one_work (kernel/workqueue.c:3314)
[   51.473737]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.473758]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.473782]  kthread (kernel/kthread.c:436)
[   51.473803]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.473824]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.473847]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.473869]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.473968] ------------[ cut here ]------------
| [   51.473995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.474051] Modules linked in: ipvtap ipvlan
| [   51.474138] Tainted: [W]=WARN
[   51.474163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.474197] Workqueue: netns cleanup_net
[   51.474217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.474244] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.474344] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.474374] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.474409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.474455] RBP: 0000000000000000 R08: ff3addb94af3d810 R09: ff3addb94b189034
[   51.474496] R10: ff3addb94b17d120 R11: fefefefefefefeff R12: 0000000000000000
[   51.474538] R13: 0000000000000011 R14: ff3addb94b17d000 R15: ff3addb941913000
[   51.474588] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.474631] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.474661] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.474701] PKRU: 55555554
[   51.474714] Call Trace:
[   51.474729]  <TASK>
[   51.474743]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.474769]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.474789]  cleanup_net (net/core/net_namespace.c:702)
[   51.474809]  process_one_work (kernel/workqueue.c:3314)
[   51.474831]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.474852]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.474873]  kthread (kernel/kthread.c:436)
[   51.474892]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.474914]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.474941]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.474965]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.475061] ------------[ cut here ]------------
| [   51.475085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.475138] Modules linked in: ipvtap ipvlan
| [   51.475230] Tainted: [W]=WARN
[   51.475256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.475290] Workqueue: netns cleanup_net
[   51.475308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.475334] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.475420] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.475448] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.475490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.475527] RBP: 0000000000000000 R08: ff3addb94ae7bb50 R09: ff3addb94b18c830
[   51.475569] R10: ff3addb94b17e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.475612] R13: 0000000000000011 R14: ff3addb94b17e000 R15: ff3addb941913000
[   51.475657] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.475702] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.475738] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.475782] PKRU: 55555554
[   51.475796] Call Trace:
[   51.475810]  <TASK>
[   51.475822]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.475849]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.475870]  cleanup_net (net/core/net_namespace.c:702)
[   51.475891]  process_one_work (kernel/workqueue.c:3314)
[   51.475912]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.475936]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.475956]  kthread (kernel/kthread.c:436)
[   51.475975]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.476000]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.476021]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.476045]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.476153] ------------[ cut here ]------------
| [   51.476179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.476232] Modules linked in: ipvtap ipvlan
| [   51.476316] Tainted: [W]=WARN
[   51.476340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.476372] Workqueue: netns cleanup_net
[   51.476396] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.476426] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.476519] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.476550] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.476600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.476641] RBP: 0000000000000000 R08: ff3addb94b09cb90 R09: ff3addb94b0aa030
[   51.476682] R10: ff3addb94b17f120 R11: fefefefefefefeff R12: 0000000000000000
[   51.476722] R13: 0000000000000011 R14: ff3addb94b17f000 R15: ff3addb941913000
[   51.476766] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.476805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.476846] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.476887] PKRU: 55555554
[   51.476899] Call Trace:
[   51.476910]  <TASK>
[   51.476926]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.476957]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.476978]  cleanup_net (net/core/net_namespace.c:702)
[   51.477000]  process_one_work (kernel/workqueue.c:3314)
[   51.477021]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.477042]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.477063]  kthread (kernel/kthread.c:436)
[   51.477085]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.477106]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.477132]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.477156]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.477260] ------------[ cut here ]------------
| [   51.477286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.477361] Modules linked in: ipvtap ipvlan
| [   51.477445] Tainted: [W]=WARN
[   51.477464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.477501] Workqueue: netns cleanup_net
[   51.477521] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.477548] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.477651] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.477682] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.477727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.477769] RBP: 0000000000000000 R08: ff3addb94af3d590 R09: ff3addb94b163030
[   51.477808] R10: ff3addb94b0de120 R11: fefefefefefefeff R12: 0000000000000000
[   51.477849] R13: 0000000000000011 R14: ff3addb94b0de000 R15: ff3addb941913000
[   51.477891] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.477939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.477976] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.478017] PKRU: 55555554
[   51.478032] Call Trace:
[   51.478047]  <TASK>
[   51.478060]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.478087]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.478111]  cleanup_net (net/core/net_namespace.c:702)
[   51.478131]  process_one_work (kernel/workqueue.c:3314)
[   51.478155]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.478178]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.478199]  kthread (kernel/kthread.c:436)
[   51.478222]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.478243]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.478261]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.478281]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.478385] ------------[ cut here ]------------
| [   51.478414] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.478472] Modules linked in: ipvtap ipvlan
| [   51.478564] Tainted: [W]=WARN
[   51.478586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.478618] Workqueue: netns cleanup_net
[   51.478641] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.478668] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.478762] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.478788] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.478831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.478872] RBP: 0000000000000000 R08: ff3addb94af3d490 R09: ff3addb94b15a030
[   51.478918] R10: ff3addb94b0d9120 R11: fefefefefefefeff R12: 0000000000000000
[   51.478959] R13: 0000000000000011 R14: ff3addb94b0d9000 R15: ff3addb941913000
[   51.479001] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.479039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.479073] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.479114] PKRU: 55555554
[   51.479128] Call Trace:
[   51.479142]  <TASK>
[   51.479159]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.479186]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.479207]  cleanup_net (net/core/net_namespace.c:702)
[   51.479231]  process_one_work (kernel/workqueue.c:3314)
[   51.479250]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.479272]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.479294]  kthread (kernel/kthread.c:436)
[   51.479316]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.479334]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.479354]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.479376]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.479477] ------------[ cut here ]------------
| [   51.479504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.479553] Modules linked in: ipvtap ipvlan
| [   51.479640] Tainted: [W]=WARN
[   51.479663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.479699] Workqueue: netns cleanup_net
[   51.479720] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.479746] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.479839] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.479865] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.479908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.479956] RBP: 0000000000000000 R08: ff3addb94a54e150 R09: ff3addb94b15d034
[   51.479990] R10: ff3addb94b0d4120 R11: fefefefefefefeff R12: 0000000000000000
[   51.480034] R13: 0000000000000011 R14: ff3addb94b0d4000 R15: ff3addb941913000
[   51.480076] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.480117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.480164] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.480210] PKRU: 55555554
[   51.480224] Call Trace:
[   51.480236]  <TASK>
[   51.480250]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.480276]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.480297]  cleanup_net (net/core/net_namespace.c:702)
[   51.480318]  process_one_work (kernel/workqueue.c:3314)
[   51.480342]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.480368]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.480390]  kthread (kernel/kthread.c:436)
[   51.480410]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.480433]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.480455]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.480474]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.480571] ------------[ cut here ]------------
| [   51.480597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.480649] Modules linked in: ipvtap ipvlan
| [   51.480727] Tainted: [W]=WARN
[   51.480747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.480776] Workqueue: netns cleanup_net
[   51.480801] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.480827] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.480919] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.480949] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.480990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.481033] RBP: 0000000000000000 R08: ff3addb94ac80d50 R09: ff3addb94b0c4830
[   51.481071] R10: ff3addb94b0d5120 R11: fefefefefefefeff R12: 0000000000000000
[   51.481111] R13: 0000000000000011 R14: ff3addb94b0d5000 R15: ff3addb941913000
[   51.481164] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.481208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.481242] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.481287] PKRU: 55555554
[   51.481299] Call Trace:
[   51.481313]  <TASK>
[   51.481328]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.481354]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.481373]  cleanup_net (net/core/net_namespace.c:702)
[   51.481394]  process_one_work (kernel/workqueue.c:3314)
[   51.481414]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.481434]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.481454]  kthread (kernel/kthread.c:436)
[   51.481476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.481497]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.481517]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.481540]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.481641] ------------[ cut here ]------------
| [   51.481667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.481717] Modules linked in: ipvtap ipvlan
| [   51.481800] Tainted: [W]=WARN
[   51.481826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.481860] Workqueue: netns cleanup_net
[   51.481883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.481912] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.482014] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.482043] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.482081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.482124] RBP: 0000000000000000 R08: ff3addb94af02990 R09: ff3addb94a6c5830
[   51.482173] R10: ff3addb94b0d6120 R11: fefefefefefefeff R12: 0000000000000000
[   51.482213] R13: 0000000000000011 R14: ff3addb94b0d6000 R15: ff3addb941913000
[   51.482261] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.482299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.482332] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.482373] PKRU: 55555554
[   51.482387] Call Trace:
[   51.482400]  <TASK>
[   51.482413]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.482439]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.482459]  cleanup_net (net/core/net_namespace.c:702)
[   51.482480]  process_one_work (kernel/workqueue.c:3314)
[   51.482501]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.482520]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.482542]  kthread (kernel/kthread.c:436)
[   51.482566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.482589]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.482611]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.482633]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.482739] ------------[ cut here ]------------
| [   51.482765] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.482822] Modules linked in: ipvtap ipvlan
| [   51.482907] Tainted: [W]=WARN
[   51.482933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.482967] Workqueue: netns cleanup_net
[   51.482988] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.483017] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.483108] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.483135] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.483184] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.483229] RBP: 0000000000000000 R08: ff3addb94af02090 R09: ff3addb94b0ab030
[   51.483267] R10: ff3addb94b025120 R11: fefefefefefefeff R12: 0000000000000000
[   51.483310] R13: 0000000000000011 R14: ff3addb94b025000 R15: ff3addb941913000
[   51.483353] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.483399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.483432] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.483473] PKRU: 55555554
[   51.483488] Call Trace:
[   51.483501]  <TASK>
[   51.483515]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.483544]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.483565]  cleanup_net (net/core/net_namespace.c:702)
[   51.483585]  process_one_work (kernel/workqueue.c:3314)
[   51.483604]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.483625]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.483647]  kthread (kernel/kthread.c:436)
[   51.483668]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.483687]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.483707]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.483727]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.483831] ------------[ cut here ]------------
| [   51.483859] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.483915] Modules linked in: ipvtap ipvlan
| [   51.484010] Tainted: [W]=WARN
[   51.484032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.484067] Workqueue: netns cleanup_net
[   51.484088] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.484117] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.484222] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.484251] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.484290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.484332] RBP: 0000000000000000 R08: ff3addb94aeb6c90 R09: ff3addb94b01a030
[   51.484376] R10: ff3addb94b020120 R11: fefefefefefefeff R12: 0000000000000000
[   51.484417] R13: 0000000000000011 R14: ff3addb94b020000 R15: ff3addb941913000
[   51.484461] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.484499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.484535] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.484577] PKRU: 55555554
[   51.484593] Call Trace:
[   51.484608]  <TASK>
[   51.484622]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.484654]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.484679]  cleanup_net (net/core/net_namespace.c:702)
[   51.484701]  process_one_work (kernel/workqueue.c:3314)
[   51.484723]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.484746]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.484770]  kthread (kernel/kthread.c:436)
[   51.484791]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.484817]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.484838]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.484857]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.484958] ------------[ cut here ]------------
| [   51.484995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.485056] Modules linked in: ipvtap ipvlan
| [   51.485145] Tainted: [W]=WARN
[   51.485170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.485204] Workqueue: netns cleanup_net
[   51.485230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.485259] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.485355] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.485385] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.485424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.485467] RBP: 0000000000000000 R08: ff3addb94aeb6c10 R09: ff3addb94b01d034
[   51.485509] R10: ff3addb94b023120 R11: fefefefefefefeff R12: 0000000000000000
[   51.485550] R13: 0000000000000011 R14: ff3addb94b023000 R15: ff3addb941913000
[   51.485593] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.485638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.485672] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.485717] PKRU: 55555554
[   51.485731] Call Trace:
[   51.485745]  <TASK>
[   51.485759]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.485789]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.485814]  cleanup_net (net/core/net_namespace.c:702)
[   51.485837]  process_one_work (kernel/workqueue.c:3314)
[   51.485860]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.485881]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.485898]  kthread (kernel/kthread.c:436)
[   51.485923]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.485949]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.485971]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.485993]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.486090] ------------[ cut here ]------------
| [   51.486120] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.486181] Modules linked in: ipvtap ipvlan
| [   51.486263] Tainted: [W]=WARN
[   51.486283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.486320] Workqueue: netns cleanup_net
[   51.486342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.486368] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.486466] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.486494] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.486533] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.486575] RBP: 0000000000000000 R08: ff3addb94aeb6b50 R09: ff3addb94b004830
[   51.486618] R10: ff3addb94b014120 R11: fefefefefefefeff R12: 0000000000000000
[   51.486660] R13: 0000000000000011 R14: ff3addb94b014000 R15: ff3addb941913000
[   51.486698] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.486744] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.486779] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.486823] PKRU: 55555554
[   51.486835] Call Trace:
[   51.486849]  <TASK>
[   51.486864]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.486898]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.486923]  cleanup_net (net/core/net_namespace.c:702)
[   51.486949]  process_one_work (kernel/workqueue.c:3314)
[   51.486969]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.486988]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.487008]  kthread (kernel/kthread.c:436)
[   51.487031]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.487052]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.487069]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.487089]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.487187] ------------[ cut here ]------------
| [   51.487213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.487269] Modules linked in: ipvtap ipvlan
| [   51.487356] Tainted: [W]=WARN
[   51.487379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.487411] Workqueue: netns cleanup_net
[   51.487432] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.487469] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.487562] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.487591] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.487634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.487676] RBP: 0000000000000000 R08: ff3addb94ac80b50 R09: ff3addb94b006830
[   51.487717] R10: ff3addb94b015120 R11: fefefefefefefeff R12: 0000000000000000
[   51.487760] R13: 0000000000000011 R14: ff3addb94b015000 R15: ff3addb941913000
[   51.487803] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.487847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.487880] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.487924] PKRU: 55555554
[   51.487939] Call Trace:
[   51.487953]  <TASK>
[   51.487968]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.488000]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.488018]  cleanup_net (net/core/net_namespace.c:702)
[   51.488040]  process_one_work (kernel/workqueue.c:3314)
[   51.488061]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.488084]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.488105]  kthread (kernel/kthread.c:436)
[   51.488127]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.488153]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.488182]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.488204]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.498017] ------------[ cut here ]------------
| [   51.498054] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.498110] Modules linked in: ipvtap ipvlan
| [   51.498208] Tainted: [W]=WARN
[   51.498240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.498276] Workqueue: netns cleanup_net
[   51.498296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.498326] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.498420] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.498448] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.498483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.498525] RBP: 0000000000000000 R08: ff3addb94ae7b590 R09: ff3addb94b01502c
[   51.498567] R10: ff3addb94b815120 R11: fefefefefefefeff R12: 0000000000000000
[   51.498614] R13: 0000000000000010 R14: ff3addb94b815000 R15: ff3addb941913000
[   51.498661] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.498705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.498740] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.498785] PKRU: 55555554
[   51.498799] Call Trace:
[   51.498815]  <TASK>
[   51.498830]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.498852]  netif_close_many (net/core/dev.c:1804)
[   51.498878]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.498909]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.498940]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.498969]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.498994]  cleanup_net (net/core/net_namespace.c:702)
[   51.499017]  process_one_work (kernel/workqueue.c:3314)
[   51.499041]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.499063]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.499085]  kthread (kernel/kthread.c:436)
[   51.499106]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.499126]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.499153]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.499175]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.499269] ------------[ cut here ]------------
| [   51.499294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.499349] Modules linked in: ipvtap ipvlan
| [   51.499440] Tainted: [W]=WARN
[   51.499464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.499501] Workqueue: netns cleanup_net
[   51.499525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.499554] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.499649] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.499679] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.499722] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.499769] RBP: 0000000000000000 R08: ff3addb94b148810 R09: ff3addb94b01502c
[   51.499811] R10: ff3addb94b314120 R11: fefefefefefefeff R12: 0000000000000000
[   51.499853] R13: 0000000000000010 R14: ff3addb94b314000 R15: ff3addb941913000
[   51.499893] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.499944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.500088] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.502598] PKRU: 55555554
[   51.503132] Call Trace:
[   51.503167]  <TASK>
[   51.503666]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.503722]  netif_close_many (net/core/dev.c:1804)
[   51.503753]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.503782]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.503822]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.504173]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.504204]  cleanup_net (net/core/net_namespace.c:702)
[   51.504224]  process_one_work (kernel/workqueue.c:3314)
[   51.504582]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.504669]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.504767]  kthread (kernel/kthread.c:436)
[   51.504798]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.504818]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.504843]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.504865]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.504970] ------------[ cut here ]------------
| [   51.504996] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.505058] Modules linked in: ipvtap ipvlan
| [   51.505141] Tainted: [W]=WARN
[   51.505169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.505206] Workqueue: netns cleanup_net
[   51.505231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.505262] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.505356] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.505381] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.505427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.505476] RBP: 0000000000000000 R08: ff3addb94ac80850 R09: ff3addb94b01502c
[   51.505523] R10: ff3addb94b233120 R11: fefefefefefefeff R12: 0000000000000000
[   51.505570] R13: 0000000000000010 R14: ff3addb94b233000 R15: ff3addb941913000
[   51.505612] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.505658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.505699] CR2: 00007f82a0fa8000 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.505742] PKRU: 55555554
[   51.505757] Call Trace:
[   51.505772]  <TASK>
[   51.505786]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.505807]  netif_close_many (net/core/dev.c:1804)
[   51.505825]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.505852]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.505874]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.505902]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.505925]  cleanup_net (net/core/net_namespace.c:702)
[   51.505946]  process_one_work (kernel/workqueue.c:3314)
[   51.505967]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.505984]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.506004]  kthread (kernel/kthread.c:436)
[   51.506025]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.506048]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.506068]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.506089]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.506186] ------------[ cut here ]------------
| [   51.506213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.506262] Modules linked in: ipvtap ipvlan
| [   51.506349] Tainted: [W]=WARN
[   51.506369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.506402] Workqueue: netns cleanup_net
[   51.506421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.506451] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.506540] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.506569] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.506614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.506657] RBP: 0000000000000000 R08: ff3addb94b09cb50 R09: ff3addb94b01502c
[   51.506698] R10: ff3addb94b17a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.506741] R13: 0000000000000010 R14: ff3addb94b17a000 R15: ff3addb941913000
[   51.506778] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.506820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.506847] CR2: 00007f82a0fa8000 CR3: 000000000336a002 CR4: 0000000000771ef0
[   51.506887] PKRU: 55555554
[   51.506903] Call Trace:
[   51.506918]  <TASK>
[   51.506945]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.506967]  netif_close_many (net/core/dev.c:1804)
[   51.506986]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.507014]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.507036]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.507066]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.507090]  cleanup_net (net/core/net_namespace.c:702)
[   51.507109]  process_one_work (kernel/workqueue.c:3314)
[   51.507128]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.507153]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.507177]  kthread (kernel/kthread.c:436)
[   51.507199]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.507222]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.507244]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.507267]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.507338] ------------[ cut here ]------------
| [   51.507366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.507427] Modules linked in: ipvtap ipvlan
| [   51.507507] Tainted: [W]=WARN
[   51.507527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.507559] Workqueue: netns cleanup_net
[   51.507586] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.507613] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.507708] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.507737] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.507778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.507815] RBP: 0000000000000000 R08: ff3addb94af025d0 R09: ff3addb94b01502c
[   51.507853] R10: ff3addb94b0d1120 R11: fefefefefefefeff R12: 0000000000000000
[   51.507895] R13: 0000000000000010 R14: ff3addb94b0d1000 R15: ff3addb941913000
[   51.507943] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.507977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.508009] CR2: 00007f82a0fa8000 CR3: 000000000336a002 CR4: 0000000000771ef0
[   51.508051] PKRU: 55555554
[   51.508070] Call Trace:
[   51.508085]  <TASK>
[   51.508099]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.508120]  netif_close_many (net/core/dev.c:1804)
[   51.508142]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.508172]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.508194]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.508217]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.508238]  cleanup_net (net/core/net_namespace.c:702)
[   51.508264]  process_one_work (kernel/workqueue.c:3314)
[   51.508286]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.508309]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.508330]  kthread (kernel/kthread.c:436)
[   51.508353]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.508376]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.508400]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.508426]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.508592] ------------[ cut here ]------------
| [   51.508620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.508676] Modules linked in: ipvtap ipvlan
| [   51.509309] Tainted: [W]=WARN
[   51.509336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.509365] Workqueue: netns cleanup_net
[   51.509388] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.509420] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.509520] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.509549] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.509591] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.509633] RBP: 0000000000000000 R08: ff3addb94aeb6e50 R09: ff3addb94b01502c
[   51.509674] R10: ff3addb94b010120 R11: fefefefefefefeff R12: 0000000000000000
[   51.509715] R13: 0000000000000010 R14: ff3addb94b010000 R15: ff3addb941913000
[   51.509761] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.509794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.509834] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.509876] PKRU: 55555554
[   51.509891] Call Trace:
[   51.509903]  <TASK>
[   51.509931]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.509954]  netif_close_many (net/core/dev.c:1804)
[   51.509977]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.510006]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.510029]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.510056]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.510079]  cleanup_net (net/core/net_namespace.c:702)
[   51.510098]  process_one_work (kernel/workqueue.c:3314)
[   51.510118]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.510138]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.510167]  kthread (kernel/kthread.c:436)
[   51.510191]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.510217]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.510238]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.510260]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.511522] ------------[ cut here ]------------
| [   51.511566] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.511627] Modules linked in: ipvtap ipvlan
| [   51.511715] Tainted: [W]=WARN
[   51.511737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.511771] Workqueue: netns cleanup_net
[   51.511794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.511820] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.511926] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.511956] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.511997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.512029] RBP: 0000000000000000 R08: ff3addb94ae7b590 R09: ff3addb94b80d02c
[   51.512072] R10: ff3addb94b815120 R11: fefefefefefefeff R12: 0000000000000000
[   51.512113] R13: 0000000000000011 R14: ff3addb94b815000 R15: ff3addb941913000
[   51.512165] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.512208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.512241] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.512285] PKRU: 55555554
[   51.512300] Call Trace:
[   51.512314]  <TASK>
[   51.512328]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.512354]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.512380]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.512399]  cleanup_net (net/core/net_namespace.c:702)
[   51.512419]  process_one_work (kernel/workqueue.c:3314)
[   51.512439]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.512458]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.512480]  kthread (kernel/kthread.c:436)
[   51.512502]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.512523]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.512545]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.512566]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.512694] ------------[ cut here ]------------
| [   51.512722] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.512894] Modules linked in: ipvtap ipvlan
| [   51.512993] Tainted: [W]=WARN
[   51.513013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.513046] Workqueue: netns cleanup_net
[   51.513068] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.513096] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.513195] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.513223] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.513262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.513307] RBP: 0000000000000000 R08: ff3addb94b148810 R09: ff3addb94b3f082c
[   51.513346] R10: ff3addb94b314120 R11: fefefefefefefeff R12: 0000000000000000
[   51.513392] R13: 0000000000000011 R14: ff3addb94b314000 R15: ff3addb941913000
[   51.513443] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.513488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.513521] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.513563] PKRU: 55555554
[   51.513577] Call Trace:
[   51.513591]  <TASK>
[   51.513606]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.513634]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.513661]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.513679]  cleanup_net (net/core/net_namespace.c:702)
[   51.513701]  process_one_work (kernel/workqueue.c:3314)
[   51.513722]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.513744]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.513765]  kthread (kernel/kthread.c:436)
[   51.513786]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.513809]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.513831]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.513853]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.513991] ------------[ cut here ]------------
| [   51.514018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.514078] Modules linked in: ipvtap ipvlan
| [   51.514168] Tainted: [W]=WARN
[   51.514187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.514223] Workqueue: netns cleanup_net
[   51.514244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.514271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.514371] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.514397] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.514442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.514483] RBP: 0000000000000000 R08: ff3addb94ac80850 R09: ff3addb94b23c02c
[   51.514520] R10: ff3addb94b233120 R11: fefefefefefefeff R12: 0000000000000000
[   51.514559] R13: 0000000000000011 R14: ff3addb94b233000 R15: ff3addb941913000
[   51.514600] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.514642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.514679] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.514723] PKRU: 55555554
[   51.514737] Call Trace:
[   51.514751]  <TASK>
[   51.514767]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.514795]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.514824]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.514846]  cleanup_net (net/core/net_namespace.c:702)
[   51.514868]  process_one_work (kernel/workqueue.c:3314)
[   51.514887]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.514908]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.514931]  kthread (kernel/kthread.c:436)
[   51.514952]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.514973]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.514995]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.515014]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.515133] ------------[ cut here ]------------
| [   51.515163] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.515222] Modules linked in: ipvtap ipvlan
| [   51.515311] Tainted: [W]=WARN
[   51.515333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.515366] Workqueue: netns cleanup_net
[   51.515385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.515414] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.515514] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.515540] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.515580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.515618] RBP: 0000000000000000 R08: ff3addb94b09cb50 R09: ff3addb94b1d282c
[   51.515661] R10: ff3addb94b17a120 R11: fefefefefefefeff R12: 0000000000000000
[   51.515701] R13: 0000000000000011 R14: ff3addb94b17a000 R15: ff3addb941913000
[   51.515746] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.515786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.515820] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.515864] PKRU: 55555554
[   51.515877] Call Trace:
[   51.515891]  <TASK>
[   51.515906]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.515939]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.515969]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.515987]  cleanup_net (net/core/net_namespace.c:702)
[   51.516004]  process_one_work (kernel/workqueue.c:3314)
[   51.516027]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.516049]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.516069]  kthread (kernel/kthread.c:436)
[   51.516090]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.516108]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.516131]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.516158]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.516265] ------------[ cut here ]------------
| [   51.516296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.516354] Modules linked in: ipvtap ipvlan
| [   51.516432] Tainted: [W]=WARN
[   51.516455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.516488] Workqueue: netns cleanup_net
[   51.516512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.516541] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.516633] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.516659] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.516698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.516738] RBP: 0000000000000000 R08: ff3addb94af025d0 R09: ff3addb94b0c682c
[   51.516782] R10: ff3addb94b0d1120 R11: fefefefefefefeff R12: 0000000000000000
[   51.516819] R13: 0000000000000011 R14: ff3addb94b0d1000 R15: ff3addb941913000
[   51.516860] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.516903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.516938] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.516985] PKRU: 55555554
[   51.516998] Call Trace:
[   51.517012]  <TASK>
[   51.517024]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.517052]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.517075]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.517095]  cleanup_net (net/core/net_namespace.c:702)
[   51.517117]  process_one_work (kernel/workqueue.c:3314)
[   51.517138]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.517168]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.517191]  kthread (kernel/kthread.c:436)
[   51.517214]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.517243]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.517266]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.517288]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.517397] ------------[ cut here ]------------
| [   51.517423] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.517465] Modules linked in: ipvtap ipvlan
| [   51.517552] Tainted: [W]=WARN
[   51.517573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.517605] Workqueue: netns cleanup_net
[   51.517626] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.517655] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.517753] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.517786] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.517831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.517870] RBP: 0000000000000000 R08: ff3addb94aeb6e50 R09: ff3addb94b01802c
[   51.517912] R10: ff3addb94b010120 R11: fefefefefefefeff R12: 0000000000000000
[   51.517960] R13: 0000000000000011 R14: ff3addb94b010000 R15: ff3addb941913000
[   51.518002] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.518044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.518081] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.518120] PKRU: 55555554
[   51.518133] Call Trace:
[   51.518152]  <TASK>
[   51.518165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.518192]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.518222]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.518244]  cleanup_net (net/core/net_namespace.c:702)
[   51.518266]  process_one_work (kernel/workqueue.c:3314)
[   51.518287]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.518307]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.518328]  kthread (kernel/kthread.c:436)
[   51.518349]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.518370]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.518392]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.518414]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.580038] ------------[ cut here ]------------
| [   51.580118] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.580191] Modules linked in: ipvtap ipvlan
| [   51.580292] Tainted: [W]=WARN
[   51.580314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.580350] Workqueue: netns cleanup_net
[   51.580375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.580405] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.580500] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.580529] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.580576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.580616] RBP: 0000000000000000 R08: ff3addb94b3aac90 R09: ff3addb94b9a1030
[   51.580655] R10: ff3addb94b9ab120 R11: fefefefefefefeff R12: 0000000000000000
[   51.580697] R13: 0000000000000011 R14: ff3addb94b9ab000 R15: ff3addb941913000
[   51.580750] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.580785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.580821] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.580863] PKRU: 55555554
[   51.580877] Call Trace:
[   51.580893]  <TASK>
[   51.580909]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.580945]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.580968]  cleanup_net (net/core/net_namespace.c:702)
[   51.580990]  process_one_work (kernel/workqueue.c:3314)
[   51.581015]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.581034]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.581059]  kthread (kernel/kthread.c:436)
[   51.581081]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.581100]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.581124]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.581144]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.581286] ------------[ cut here ]------------
| [   51.581315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.581372] Modules linked in: ipvtap ipvlan
| [   51.581445] Tainted: [W]=WARN
[   51.581468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.581501] Workqueue: netns cleanup_net
[   51.581519] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.581546] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.581638] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.581668] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.581707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.581745] RBP: 0000000000000000 R08: ff3addb94b3aa450 R09: ff3addb94b998030
[   51.581784] R10: ff3addb94b996120 R11: fefefefefefefeff R12: 0000000000000000
[   51.581821] R13: 0000000000000011 R14: ff3addb94b996000 R15: ff3addb941913000
[   51.581862] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.581902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.581942] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.581986] PKRU: 55555554
[   51.582001] Call Trace:
[   51.582015]  <TASK>
[   51.582030]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.582058]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.582079]  cleanup_net (net/core/net_namespace.c:702)
[   51.582104]  process_one_work (kernel/workqueue.c:3314)
[   51.582124]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.582145]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.582173]  kthread (kernel/kthread.c:436)
[   51.582197]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.582219]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.582243]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.582263]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.582408] ------------[ cut here ]------------
| [   51.582435] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.582493] Modules linked in: ipvtap ipvlan
| [   51.582576] Tainted: [W]=WARN
[   51.582597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.582628] Workqueue: netns cleanup_net
[   51.582649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.582677] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.582772] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.582800] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.582845] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.582889] RBP: 0000000000000000 R08: ff3addb94b3aa550 R09: ff3addb94b99b034
[   51.582938] R10: ff3addb94b991120 R11: fefefefefefefeff R12: 0000000000000000
[   51.582985] R13: 0000000000000011 R14: ff3addb94b991000 R15: ff3addb941913000
[   51.583035] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.583067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.583103] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.583143] PKRU: 55555554
[   51.583161] Call Trace:
[   51.583176]  <TASK>
[   51.583189]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.583216]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.583239]  cleanup_net (net/core/net_namespace.c:702)
[   51.583262]  process_one_work (kernel/workqueue.c:3314)
[   51.583287]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.583308]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.583328]  kthread (kernel/kthread.c:436)
[   51.583348]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.583370]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.583392]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.583413]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.583510] ------------[ cut here ]------------
| [   51.583536] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.583589] Modules linked in: ipvtap ipvlan
| [   51.583670] Tainted: [W]=WARN
[   51.583691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.583726] Workqueue: netns cleanup_net
[   51.583745] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.583772] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.583862] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.583888] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.583938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.583979] RBP: 0000000000000000 R08: ff3addb94b833690 R09: ff3addb94b1e2830
[   51.584017] R10: ff3addb94b992120 R11: fefefefefefefeff R12: 0000000000000000
[   51.584053] R13: 0000000000000011 R14: ff3addb94b992000 R15: ff3addb941913000
[   51.584096] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.584134] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.584171] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.584209] PKRU: 55555554
[   51.584226] Call Trace:
[   51.584240]  <TASK>
[   51.584257]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.584284]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.584306]  cleanup_net (net/core/net_namespace.c:702)
[   51.584327]  process_one_work (kernel/workqueue.c:3314)
[   51.584349]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.584373]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.584396]  kthread (kernel/kthread.c:436)
[   51.584417]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.584438]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.584458]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.584480]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.584574] ------------[ cut here ]------------
| [   51.584599] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.584652] Modules linked in: ipvtap ipvlan
| [   51.584735] Tainted: [W]=WARN
[   51.584754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.584790] Workqueue: netns cleanup_net
[   51.584812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.584843] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.584939] RSP: 0018:ff75ca83c0067ce8 EFLAGS: 00010286
[   51.584973] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.585011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.585050] RBP: 0000000000000000 R08: ff3addb94b3aa6d0 R09: ff3addb94b1e4830
[   51.585082] R10: ff3addb94b993120 R11: fefefefefefefeff R12: 0000000000000000
[   51.585120] R13: 0000000000000011 R14: ff3addb94b993000 R15: ff3addb941913000
[   51.585167] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.585209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.585242] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.585279] PKRU: 55555554
[   51.585292] Call Trace:
[   51.585305]  <TASK>
[   51.585317]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.585345]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   51.585365]  cleanup_net (net/core/net_namespace.c:702)
[   51.585385]  process_one_work (kernel/workqueue.c:3314)
[   51.585406]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.585432]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.585453]  kthread (kernel/kthread.c:436)
[   51.585476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.585500]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.585521]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.585543]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.590961] ------------[ cut here ]------------
| [   51.591018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.591072] Modules linked in: ipvtap ipvlan
| [   51.591159] Tainted: [W]=WARN
[   51.591179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.591220] Workqueue: netns cleanup_net
[   51.591244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.591271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.591369] RSP: 0018:ff75ca83c0067c08 EFLAGS: 00010286
[   51.591394] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   51.591436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.591478] RBP: 0000000000000000 R08: ff3addb94af3d310 R09: ff3addb94b99302c
[   51.591517] R10: ff3addb94b90e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.591558] R13: 0000000000000010 R14: ff3addb94b90e000 R15: ff3addb941913000
[   51.591604] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.591647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.591682] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.591721] PKRU: 55555554
[   51.591735] Call Trace:
[   51.591749]  <TASK>
[   51.591764]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   51.591784]  netif_close_many (net/core/dev.c:1804)
[   51.591805]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   51.591836]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   51.591858]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.591885]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.591907]  cleanup_net (net/core/net_namespace.c:702)
[   51.591933]  process_one_work (kernel/workqueue.c:3314)
[   51.591955]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.591973]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.591996]  kthread (kernel/kthread.c:436)
[   51.592017]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.592040]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.592061]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.592083]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.592210] ------------[ cut here ]------------
| [   51.592278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   51.592337] Modules linked in: ipvtap ipvlan
| [   51.592425] Tainted: [W]=WARN
[   51.592448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.592482] Workqueue: netns cleanup_net
[   51.592504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.592533] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.592628] RSP: 0018:ff75ca83c0067c78 EFLAGS: 00010286
[   51.592656] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   51.592689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3addb941913000
[   51.592734] RBP: 0000000000000000 R08: ff3addb94af3d310 R09: ff3addb94b1e602c
[   51.592773] R10: ff3addb94b90e120 R11: fefefefefefefeff R12: 0000000000000000
[   51.592815] R13: 0000000000000011 R14: ff3addb94b90e000 R15: ff3addb941913000
[   51.592853] FS:  0000000000000000(0000) GS:ff3addb9d1048000(0000) knlGS:0000000000000000
[   51.592898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.592938] CR2: 00007ff45a13c680 CR3: 0000000009647001 CR4: 0000000000771ef0
[   51.592981] PKRU: 55555554
[   51.592994] Call Trace:
[   51.593006]  <TASK>
[   51.593021]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   51.593051]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   51.593076]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   51.593100]  cleanup_net (net/core/net_namespace.c:702)
[   51.593120]  process_one_work (kernel/workqueue.c:3314)
[   51.593140]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   51.593168]  ? rescuer_thread (kernel/workqueue.c:3672)
[   51.593189]  kthread (kernel/kthread.c:436)
[   51.593210]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   51.593232]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.593252]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:rtnl_dellink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:ipvlan_device_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ipvlan_device_event:notifier_call_chain:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:__netdev_upper_dev_link:netdev_upper_dev_link
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch