======================================
| xx__-> [    2.425793] ------------[ cut here ]------------
| [    2.425849] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/190
| [    2.425900] Modules linked in:
| [    2.425992] Tainted: [W]=WARN
[    2.426019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.426060] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.426089] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.426181] RSP: 0018:ff6096b04044fcb8 EFLAGS: 00010286
[    2.426212] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.426252] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8f00
[    2.426289] RBP: 0000000000000000 R08: ff38f4c9c19044d0 R09: ff38f4c9c3e3502c
[    2.426329] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[    2.426367] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd8f00
[    2.426411] FS:  00007f4a7468e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.426453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.426491] CR2: 0000000000479648 CR3: 0000000003f5f005 CR4: 0000000000771ef0
[    2.426533] PKRU: 55555554
[    2.426547] Call Trace:
[    2.426563]  <TASK>
[    2.426578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.426599]  register_netdevice (net/core/dev.c:11488)
[    2.426622]  register_netdev (net/core/dev.c:11552)
[    2.426644]  loopback_net_init (drivers/net/loopback.c:218)
[    2.426667]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.426700]  ops_init (net/core/net_namespace.c:137)
[    2.426725]  setup_net (net/core/net_namespace.c:446)
[    2.426746]  copy_net_ns (net/core/net_namespace.c:579)
[    2.426768]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.426801]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.426830]  ksys_unshare (kernel/fork.c:3243)
[    2.426854]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.426874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.426900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.426932] RIP: 0033:0x7f4a74950bcb
[    2.426954] 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
[    2.427056] RSP: 002b:00007ffdb9010948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.427101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4a74950bcb
[    2.427145] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.427183] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.427225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb9012b70
[    2.427265] R13: 0000000000000001 R14: 00007f4a7468e6f8 R15: 00007ffdb90138a1
| [    2.427390] ------------[ cut here ]------------
| [    2.427418] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/190
| [    2.427466] Modules linked in:
| [    2.427544] Tainted: [W]=WARN
[    2.427568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.427603] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.427629] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.427724] RSP: 0018:ff6096b04044fc10 EFLAGS: 00010286
[    2.427751] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.427791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c183ef00
[    2.427833] RBP: 0000000000000000 R08: ff38f4c9c3cdef10 R09: ff38f4c9c3e39830
[    2.427872] R10: ff38f4c9c3e35120 R11: fefefefefefefeff R12: 0000000000000000
[    2.427914] R13: 0000000000000010 R14: ff38f4c9c3e35000 R15: ff38f4c9c183ef00
[    2.427955] FS:  00007f4a7468e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.427998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.428034] CR2: 0000000000479648 CR3: 0000000003f5f005 CR4: 0000000000771ef0
[    2.428078] PKRU: 55555554
[    2.428093] Call Trace:
[    2.428108]  <TASK>
[    2.428123]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.428144]  register_netdevice (net/core/dev.c:11488)
[    2.428165]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.428188]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.428210]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.428232]  ops_init (net/core/net_namespace.c:137)
[    2.428254]  setup_net (net/core/net_namespace.c:446)
[    2.428275]  copy_net_ns (net/core/net_namespace.c:579)
[    2.428296]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.428324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.428350]  ksys_unshare (kernel/fork.c:3243)
[    2.428375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.428395]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.428416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.428442] RIP: 0033:0x7f4a74950bcb
[    2.428466] 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
[    2.428554] RSP: 002b:00007ffdb9010948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.428594] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4a74950bcb
[    2.428632] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.428671] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.428712] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb9012b70
[    2.428755] R13: 0000000000000001 R14: 00007f4a7468e6f8 R15: 00007ffdb90138a1
| [    2.428900] ------------[ cut here ]------------
| [    2.428926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/190
| [    2.428978] Modules linked in:
| [    2.429063] Tainted: [W]=WARN
[    2.429087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.429121] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.429151] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.429239] RSP: 0018:ff6096b04044fbf0 EFLAGS: 00010286
[    2.429271] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.429311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189a800
[    2.429351] RBP: 0000000000000000 R08: ff38f4c9c3dea190 R09: ff38f4c9c612b830
[    2.429392] R10: ff38f4c9c3e34120 R11: fefefefefefefeff R12: 0000000000000000
[    2.429433] R13: 0000000000000010 R14: ff38f4c9c3e34000 R15: ff38f4c9c189a800
[    2.429474] FS:  00007f4a7468e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.429515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.429547] CR2: 0000000000479648 CR3: 0000000003f5f005 CR4: 0000000000771ef0
[    2.429595] PKRU: 55555554
[    2.429611] Call Trace:
[    2.429627]  <TASK>
[    2.429643]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.429665]  register_netdevice (net/core/dev.c:11488)
[    2.429686]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.429713]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.429735]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.429757]  ops_init (net/core/net_namespace.c:137)
[    2.429780]  setup_net (net/core/net_namespace.c:446)
[    2.429803]  copy_net_ns (net/core/net_namespace.c:579)
[    2.429823]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.429852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.429881]  ksys_unshare (kernel/fork.c:3243)
[    2.429902]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.429924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.429945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.429974] RIP: 0033:0x7f4a74950bcb
[    2.429994] 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
[    2.430093] RSP: 002b:00007ffdb9010948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.430137] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4a74950bcb
[    2.430179] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.430220] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.430263] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb9012b70
[    2.430302] R13: 0000000000000001 R14: 00007f4a7468e6f8 R15: 00007ffdb90138a1
| [    2.430421] ------------[ cut here ]------------
| [    2.430448] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/190
| [    2.430499] Modules linked in:
| [    2.430574] Tainted: [W]=WARN
[    2.430597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.430628] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.430655] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.430743] RSP: 0018:ff6096b04044fca8 EFLAGS: 00010286
[    2.430770] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.430809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4700
[    2.430851] RBP: 0000000000000000 R08: ff38f4c9c3150990 R09: ff38f4c9c3e40034
[    2.430893] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[    2.430932] R13: 0000000000000010 R14: ff38f4c9c3e43000 R15: ff38f4c9c3cd4700
[    2.430975] FS:  00007f4a7468e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.431016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.431056] CR2: 0000000000479648 CR3: 0000000003f5f005 CR4: 0000000000771ef0
[    2.431097] PKRU: 55555554
[    2.431111] Call Trace:
[    2.431124]  <TASK>
[    2.431136]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.431155]  register_netdevice (net/core/dev.c:11488)
[    2.431174]  register_netdev (net/core/dev.c:11552)
[    2.431197]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.431221]  ops_init (net/core/net_namespace.c:137)
[    2.431243]  setup_net (net/core/net_namespace.c:446)
[    2.431265]  copy_net_ns (net/core/net_namespace.c:579)
[    2.431287]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.431314]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.431340]  ksys_unshare (kernel/fork.c:3243)
[    2.431363]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.431386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.431406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.431434] RIP: 0033:0x7f4a74950bcb
[    2.431457] 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
[    2.431543] RSP: 002b:00007ffdb9010948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.431581] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4a74950bcb
[    2.431626] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.431670] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.431713] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb9012b70
[    2.431760] R13: 0000000000000001 R14: 00007f4a7468e6f8 R15: 00007ffdb90138a1
| [    2.431883] ------------[ cut here ]------------
| [    2.431914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/190
| [    2.431959] Modules linked in:
| [    2.432039] Tainted: [W]=WARN
[    2.432069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.432104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.432133] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.432219] RSP: 0018:ff6096b04044fca0 EFLAGS: 00010286
[    2.432243] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.432283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4000
[    2.432319] RBP: 0000000000000000 R08: ff38f4c9c3150b90 R09: ff38f4c9c3e45030
[    2.432362] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[    2.432400] R13: 0000000000000010 R14: ff38f4c9c3e40000 R15: ff38f4c9c3cd4000
[    2.432441] FS:  00007f4a7468e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.432484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.432516] CR2: 0000000000479648 CR3: 0000000003f5f005 CR4: 0000000000771ef0
[    2.432561] PKRU: 55555554
[    2.432576] Call Trace:
[    2.432591]  <TASK>
[    2.432604]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.432624]  register_netdevice (net/core/dev.c:11488)
[    2.432647]  register_netdev (net/core/dev.c:11552)
[    2.432670]  sit_init_net (net/ipv6/sit.c:1860)
[    2.432695]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.432718]  ops_init (net/core/net_namespace.c:137)
[    2.432741]  setup_net (net/core/net_namespace.c:446)
[    2.432763]  copy_net_ns (net/core/net_namespace.c:579)
[    2.432784]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.432809]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.432836]  ksys_unshare (kernel/fork.c:3243)
[    2.432857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.432878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.432900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.432928] RIP: 0033:0x7f4a74950bcb
[    2.432951] 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
[    2.433043] RSP: 002b:00007ffdb9010948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.433087] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4a74950bcb
[    2.433130] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.433170] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.433213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb9012b70
[    2.433250] R13: 0000000000000001 R14: 00007f4a7468e6f8 R15: 00007ffdb90138a1
| [    2.433396] ------------[ cut here ]------------
| [    2.433424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/190
| [    2.433471] Modules linked in:
| [    2.433541] Tainted: [W]=WARN
[    2.433565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.433596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.433626] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.433715] RSP: 0018:ff6096b04044fca8 EFLAGS: 00010286
[    2.433739] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.433778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b800
[    2.433820] RBP: 0000000000000000 R08: ff38f4c9c3150c90 R09: ff38f4c9c613a030
[    2.433861] R10: ff38f4c9c3e45120 R11: fefefefefefefeff R12: 0000000000000000
[    2.433906] R13: 0000000000000010 R14: ff38f4c9c3e45000 R15: ff38f4c9c189b800
[    2.433951] FS:  00007f4a7468e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.433993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.434028] CR2: 0000000000479648 CR3: 0000000003f5f005 CR4: 0000000000771ef0
[    2.434071] PKRU: 55555554
[    2.434087] Call Trace:
[    2.434104]  <TASK>
[    2.434116]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.434136]  register_netdevice (net/core/dev.c:11488)
[    2.434158]  register_netdev (net/core/dev.c:11552)
[    2.434179]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.434200]  ops_init (net/core/net_namespace.c:137)
[    2.434222]  setup_net (net/core/net_namespace.c:446)
[    2.434243]  copy_net_ns (net/core/net_namespace.c:579)
[    2.434264]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.434293]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.434319]  ksys_unshare (kernel/fork.c:3243)
[    2.434340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.434362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.434384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.434416] RIP: 0033:0x7f4a74950bcb
[    2.434437] 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
[    2.434532] RSP: 002b:00007ffdb9010948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.434572] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4a74950bcb
[    2.434616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.434657] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.434698] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb9012b70
[    2.434738] R13: 0000000000000001 R14: 00007f4a7468e6f8 R15: 00007ffdb90138a1
| [    2.438353] ------------[ cut here ]------------
| [    2.438422] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/191
| [    2.438511] Modules linked in:
| [    2.438672] Tainted: [W]=WARN
[    2.438730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.438805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.438876] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.439015] RSP: 0018:ff6096b040457720 EFLAGS: 00010286
[    2.439088] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.439165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ab00
[    2.439248] RBP: 0000000000000000 R08: ff38f4c9c19044d0 R09: ff38f4c9c31c302c
[    2.439331] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[    2.439410] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c189ab00
[    2.439495] FS:  00007f877da96840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    2.439576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.439651] CR2: 000000003fcd7988 CR3: 0000000003f67004 CR4: 0000000000771ef0
[    2.439729] PKRU: 55555554
[    2.439778] Call Trace:
[    2.439828]  <TASK>
[    2.439878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.439937]  __dev_notify_flags (net/core/dev.c:9787)
[    2.440004]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.440069]  netif_change_flags (net/core/dev.c:9820)
[    2.440130]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.440191]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.440263]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.440327]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.440393]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.440462]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.440525]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.440591]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.440660]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.440725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.440789]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.440852]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.440916]  ___sys_sendmsg (net/socket.c:2752)
[    2.440985]  __sys_sendmsg (net/socket.c:2784)
[    2.441049]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.441120]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.441187] RIP: 0033:0x7f877dcd008e
[    2.441247] 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
[    2.441379] RSP: 002b:00007ffed2218760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.441459] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f877dcd008e
[    2.441540] RDX: 0000000000000000 RSI: 00007ffed2218810 RDI: 0000000000000005
[    2.441618] RBP: 00007ffed2218770 R08: 0000000000000000 R09: 0000000000000000
[    2.441700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e728
[    2.441780] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed2218ee0
| [    2.456317] ------------[ cut here ]------------
| [    2.456363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
| [    2.456414] Modules linked in:
| [    2.456493] Tainted: [W]=WARN
[    2.456517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.456558] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.456585] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.456681] RSP: 0018:ff6096b040477cb8 EFLAGS: 00010286
[    2.456711] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.456758] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    2.456801] RBP: 0000000000000000 R08: ff38f4c9c3378d10 R09: ff38f4c9c609a02c
[    2.456842] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.456883] R13: 0000000000000010 R14: ff38f4c9c613d000 R15: ff38f4c9c3cd4e00
[    2.456926] FS:  00007f9e9ae40840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    2.456980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.457015] CR2: 00007f9e9b047430 CR3: 0000000003fbc004 CR4: 0000000000771ef0
[    2.457060] PKRU: 55555554
[    2.457073] Call Trace:
[    2.457086]  <TASK>
[    2.457100]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.457123]  register_netdevice (net/core/dev.c:11488)
[    2.457147]  register_netdev (net/core/dev.c:11552)
[    2.457170]  loopback_net_init (drivers/net/loopback.c:218)
[    2.457195]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.457224]  ops_init (net/core/net_namespace.c:137)
[    2.457244]  setup_net (net/core/net_namespace.c:446)
[    2.457268]  copy_net_ns (net/core/net_namespace.c:579)
[    2.457291]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.457321]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.457350]  ksys_unshare (kernel/fork.c:3243)
[    2.457373]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.457397]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.457420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.457451] RIP: 0033:0x7f9e9b102bcb
[    2.457474] 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
[    2.457570] RSP: 002b:00007ffe07f14388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.457608] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9e9b102bcb
[    2.457649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.457689] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.457730] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe07f165b0
[    2.457769] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe07f1889f
| [    2.457902] ------------[ cut here ]------------
| [    2.457933] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
| [    2.457988] Modules linked in:
| [    2.458071] Tainted: [W]=WARN
[    2.458091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.458127] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.458154] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.458245] RSP: 0018:ff6096b040477c10 EFLAGS: 00010286
[    2.458275] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.458314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8400
[    2.458355] RBP: 0000000000000000 R08: ff38f4c9c3378c10 R09: ff38f4c9c60a3830
[    2.458398] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.458439] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd8400
[    2.458482] FS:  00007f9e9ae40840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    2.458523] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.458556] CR2: 00007f9e9b047430 CR3: 0000000003fbc004 CR4: 0000000000771ef0
[    2.458596] PKRU: 55555554
[    2.458614] Call Trace:
[    2.458627]  <TASK>
[    2.458639]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.458663]  register_netdevice (net/core/dev.c:11488)
[    2.458685]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.458709]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.458730]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.458754]  ops_init (net/core/net_namespace.c:137)
[    2.458778]  setup_net (net/core/net_namespace.c:446)
[    2.458800]  copy_net_ns (net/core/net_namespace.c:579)
[    2.458822]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.458851]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.458879]  ksys_unshare (kernel/fork.c:3243)
[    2.458903]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.458924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.458945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.458975] RIP: 0033:0x7f9e9b102bcb
[    2.459000] 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
[    2.459099] RSP: 002b:00007ffe07f14388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.459143] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9e9b102bcb
[    2.459184] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.459226] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.459266] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe07f165b0
[    2.459307] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe07f1889f
| [    2.459420] ------------[ cut here ]------------
| [    2.459450] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
| [    2.459499] Modules linked in:
| [    2.459574] Tainted: [W]=WARN
[    2.459596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.459628] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.459656] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.459747] RSP: 0018:ff6096b040477bf0 EFLAGS: 00010286
[    2.459774] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.459815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b600
[    2.459855] RBP: 0000000000000000 R08: ff38f4c9c3378b10 R09: ff38f4c9c60a1830
[    2.459894] R10: ff38f4c9c6099120 R11: fefefefefefefeff R12: 0000000000000000
[    2.459932] R13: 0000000000000010 R14: ff38f4c9c6099000 R15: ff38f4c9c189b600
[    2.459976] FS:  00007f9e9ae40840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    2.460019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.460060] CR2: 00007f9e9b047430 CR3: 0000000003fbc004 CR4: 0000000000771ef0
[    2.460098] PKRU: 55555554
[    2.460111] Call Trace:
[    2.460126]  <TASK>
[    2.460142]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.460162]  register_netdevice (net/core/dev.c:11488)
[    2.460185]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.460204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.460225]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.460246]  ops_init (net/core/net_namespace.c:137)
[    2.460265]  setup_net (net/core/net_namespace.c:446)
[    2.460287]  copy_net_ns (net/core/net_namespace.c:579)
[    2.460307]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.460335]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.460362]  ksys_unshare (kernel/fork.c:3243)
[    2.460382]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.460405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.460427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.460454] RIP: 0033:0x7f9e9b102bcb
[    2.460475] 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
[    2.460566] RSP: 002b:00007ffe07f14388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.460607] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9e9b102bcb
[    2.460650] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.460690] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.460730] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe07f165b0
[    2.460769] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe07f1889f
| [    2.460900] ------------[ cut here ]------------
| [    2.460928] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
| [    2.460977] Modules linked in:
| [    2.461057] Tainted: [W]=WARN
[    2.461083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.461121] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.461150] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.461239] RSP: 0018:ff6096b040477ca8 EFLAGS: 00010286
[    2.461268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.461311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd9300
[    2.461349] RBP: 0000000000000000 R08: ff38f4c9c3378c50 R09: ff38f4c9c609d034
[    2.461387] R10: ff38f4c9c6098120 R11: fefefefefefefeff R12: 0000000000000000
[    2.461425] R13: 0000000000000010 R14: ff38f4c9c6098000 R15: ff38f4c9c3cd9300
[    2.461469] FS:  00007f9e9ae40840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    2.461514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.461551] CR2: 00007f9e9b047430 CR3: 0000000003fbc004 CR4: 0000000000771ef0
[    2.461589] PKRU: 55555554
[    2.461604] Call Trace:
[    2.461618]  <TASK>
[    2.461634]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.461655]  register_netdevice (net/core/dev.c:11488)
[    2.461676]  register_netdev (net/core/dev.c:11552)
[    2.461702]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.461728]  ops_init (net/core/net_namespace.c:137)
[    2.461749]  setup_net (net/core/net_namespace.c:446)
[    2.461772]  copy_net_ns (net/core/net_namespace.c:579)
[    2.461794]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.461825]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.461852]  ksys_unshare (kernel/fork.c:3243)
[    2.461872]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.461893]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.461914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.461942] RIP: 0033:0x7f9e9b102bcb
[    2.461966] 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
[    2.462067] RSP: 002b:00007ffe07f14388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.462105] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9e9b102bcb
[    2.462145] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.462189] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.462229] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe07f165b0
[    2.462267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe07f1889f
| [    2.462424] ------------[ cut here ]------------
| [    2.462452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
| [    2.462502] Modules linked in:
| [    2.462578] Tainted: [W]=WARN
[    2.462595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.462628] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.462654] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.462743] RSP: 0018:ff6096b040477ca0 EFLAGS: 00010286
[    2.462774] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.462812] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd5100
[    2.462850] RBP: 0000000000000000 R08: ff38f4c9c3378b50 R09: ff38f4c9c61a2030
[    2.462890] R10: ff38f4c9c609d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.462931] R13: 0000000000000010 R14: ff38f4c9c609d000 R15: ff38f4c9c3cd5100
[    2.462975] FS:  00007f9e9ae40840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    2.463016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.463054] CR2: 00007f9e9b047430 CR3: 0000000003fbc004 CR4: 0000000000771ef0
[    2.463088] PKRU: 55555554
[    2.463101] Call Trace:
[    2.463114]  <TASK>
[    2.463130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.463156]  register_netdevice (net/core/dev.c:11488)
[    2.463177]  register_netdev (net/core/dev.c:11552)
[    2.463199]  sit_init_net (net/ipv6/sit.c:1860)
[    2.463224]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.463246]  ops_init (net/core/net_namespace.c:137)
[    2.463270]  setup_net (net/core/net_namespace.c:446)
[    2.463292]  copy_net_ns (net/core/net_namespace.c:579)
[    2.463316]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.463346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.463375]  ksys_unshare (kernel/fork.c:3243)
[    2.463398]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.463419]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.463442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.463469] RIP: 0033:0x7f9e9b102bcb
[    2.463493] 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
[    2.463588] RSP: 002b:00007ffe07f14388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.463625] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9e9b102bcb
[    2.463667] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.463714] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.463755] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe07f165b0
[    2.463799] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe07f1889f
| [    2.463928] ------------[ cut here ]------------
| [    2.463956] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
| [    2.464007] Modules linked in:
| [    2.464091] Tainted: [W]=WARN
[    2.464115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.464151] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.464175] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.464265] RSP: 0018:ff6096b040477ca8 EFLAGS: 00010286
[    2.464294] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.464330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4b00
[    2.464370] RBP: 0000000000000000 R08: ff38f4c9c3378a50 R09: ff38f4c9c61a7030
[    2.464408] R10: ff38f4c9c61a2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.464454] R13: 0000000000000010 R14: ff38f4c9c61a2000 R15: ff38f4c9c3cd4b00
[    2.464496] FS:  00007f9e9ae40840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    2.464536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.464569] CR2: 00007f9e9b047430 CR3: 0000000003fbc004 CR4: 0000000000771ef0
[    2.464609] PKRU: 55555554
[    2.464623] Call Trace:
[    2.464639]  <TASK>
[    2.464652]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.464672]  register_netdevice (net/core/dev.c:11488)
[    2.464691]  register_netdev (net/core/dev.c:11552)
[    2.464713]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.464735]  ops_init (net/core/net_namespace.c:137)
[    2.464756]  setup_net (net/core/net_namespace.c:446)
[    2.464777]  copy_net_ns (net/core/net_namespace.c:579)
[    2.464799]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.464827]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.464854]  ksys_unshare (kernel/fork.c:3243)
[    2.464875]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.464897]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.464919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.464946] RIP: 0033:0x7f9e9b102bcb
[    2.464971] 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
[    2.465063] RSP: 002b:00007ffe07f14388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.465099] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9e9b102bcb
[    2.465140] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.465178] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.465217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe07f165b0
[    2.465257] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe07f1889f
| [    2.468768] ------------[ cut here ]------------
| [    2.468841] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/196
| [    2.468935] Modules linked in:
| [    2.469103] Tainted: [W]=WARN
[    2.469164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.469238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.469306] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.469436] RSP: 0018:ff6096b04047f720 EFLAGS: 00010286
[    2.469500] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.469580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ab00
[    2.469662] RBP: 0000000000000000 R08: ff38f4c9c3378d10 R09: ff38f4c9c31c302c
[    2.469743] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.469821] R13: 0000000000000010 R14: ff38f4c9c613d000 R15: ff38f4c9c189ab00
[    2.469903] FS:  00007faf58aee840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    2.469990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.470071] CR2: 0000000013d01988 CR3: 000000000602b004 CR4: 0000000000771ef0
[    2.470157] PKRU: 55555554
[    2.470209] Call Trace:
[    2.470261]  <TASK>
[    2.470314]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.470377]  __dev_notify_flags (net/core/dev.c:9787)
[    2.470436]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.470497]  netif_change_flags (net/core/dev.c:9820)
[    2.470561]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.470622]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.470693]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.470755]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.470819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.470888]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.470952]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.471023]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.471096]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.471160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.471224]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.471288]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.471352]  ___sys_sendmsg (net/socket.c:2752)
[    2.471417]  __sys_sendmsg (net/socket.c:2784)
[    2.471479]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.471543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.471610] RIP: 0033:0x7faf58d2808e
[    2.471674] 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
[    2.471802] RSP: 002b:00007fff25c07a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.471883] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faf58d2808e
[    2.471971] RDX: 0000000000000000 RSI: 00007fff25c07b10 RDI: 0000000000000005
[    2.472050] RBP: 00007fff25c07a70 R08: 0000000000000000 R09: 0000000000000000
[    2.472136] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e728
[    2.472216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff25c081e0
| [    2.484566] ------------[ cut here ]------------
| [    2.484612] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/199
| [    2.484662] Modules linked in:
| [    2.484742] Tainted: [W]=WARN
[    2.484762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.484795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.484823] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.484912] RSP: 0018:ff6096b0404975f0 EFLAGS: 00010286
[    2.484938] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.484985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189a900
[    2.485023] RBP: 0000000000000000 R08: ff38f4c9c3d007d0 R09: ff38f4c9c6141034
[    2.485066] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[    2.485102] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c189a900
[    2.485143] FS:  00007f36f7601840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.485185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.485219] CR2: 00000000004eb188 CR3: 0000000003fd6004 CR4: 0000000000771ef0
[    2.485261] PKRU: 55555554
[    2.485276] Call Trace:
[    2.485290]  <TASK>
[    2.485307]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.485329]  __dev_notify_flags (net/core/dev.c:9787)
[    2.485351]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.485372]  veth_newlink (drivers/net/veth.c:1871)
[    2.485396]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.485418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.485449]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.485471]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.485501]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.485526]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.485548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.485569]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.485589]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.485610]  ___sys_sendmsg (net/socket.c:2752)
[    2.485632]  __sys_sendmsg (net/socket.c:2784)
[    2.485654]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.485678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.485703] RIP: 0033:0x7f36f783b08e
[    2.485724] 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
[    2.485819] RSP: 002b:00007fff8b90f480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.485858] RAX: ffffffffffffffda RBX: 00007fff8b90fc30 RCX: 00007f36f783b08e
[    2.485897] RDX: 0000000000000000 RSI: 00007fff8b90f530 RDI: 0000000000000005
[    2.485939] RBP: 00007fff8b90f490 R08: 0000000000000000 R09: 0000000000000000
[    2.485987] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e728
[    2.486036] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8b90fc08
| [    2.486225] ------------[ cut here ]------------
| [    2.486256] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/199
| [    2.486306] Modules linked in:
| [    2.486389] Tainted: [W]=WARN
[    2.486411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.486444] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.486471] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.486566] RSP: 0018:ff6096b040497870 EFLAGS: 00010286
[    2.486589] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.486630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8f00
[    2.486670] RBP: 0000000000000000 R08: ff38f4c9c3150b50 R09: ff38f4c9c6146034
[    2.486710] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.486751] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd8f00
[    2.486798] FS:  00007f36f7601840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.486847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.486887] CR2: 00000000004eb188 CR3: 0000000003fd6004 CR4: 0000000000771ef0
[    2.486932] PKRU: 55555554
[    2.486947] Call Trace:
[    2.486966]  <TASK>
[    2.486981]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.487003]  __dev_notify_flags (net/core/dev.c:9787)
[    2.487028]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.487055]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.487080]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.487111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.487132]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.487161]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.487191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.487217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.487239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.487263]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.487284]  ___sys_sendmsg (net/socket.c:2752)
[    2.487307]  __sys_sendmsg (net/socket.c:2784)
[    2.487329]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.487350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.487375] RIP: 0033:0x7f36f783b08e
[    2.487397] 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
[    2.487491] RSP: 002b:00007fff8b90f480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.487529] RAX: ffffffffffffffda RBX: 00007fff8b90fc30 RCX: 00007f36f783b08e
[    2.487569] RDX: 0000000000000000 RSI: 00007fff8b90f530 RDI: 0000000000000005
[    2.487612] RBP: 00007fff8b90f490 R08: 0000000000000000 R09: 0000000000000000
[    2.487649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e728
[    2.487690] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8b90fc08
| [    2.522702] ------------[ cut here ]------------
| [    2.522749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/210
| [    2.522801] Modules linked in:
| [    2.522886] Tainted: [W]=WARN
[    2.522908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.522942] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.522975] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.523073] RSP: 0018:ff6096b0404e7720 EFLAGS: 00010286
[    2.523103] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.523147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8f00
[    2.523192] RBP: 0000000000000000 R08: ff38f4c9c3150b50 R09: ff38f4c9c6146034
[    2.523231] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.523270] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd8f00
[    2.523316] FS:  00007f0bf1e63840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    2.523360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.523397] CR2: 000000001e289988 CR3: 00000000061fb005 CR4: 0000000000771ef0
[    2.523436] PKRU: 55555554
[    2.523451] Call Trace:
[    2.523464]  <TASK>
[    2.523479]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.523502]  __dev_notify_flags (net/core/dev.c:9787)
[    2.523525]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.523547]  netif_change_flags (net/core/dev.c:9820)
[    2.523572]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.523594]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.523628]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.523652]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.523674]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.523705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.523733]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.523756]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.523786]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.523810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.523832]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.523860]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.523887]  ___sys_sendmsg (net/socket.c:2752)
[    2.523909]  __sys_sendmsg (net/socket.c:2784)
[    2.523932]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.523955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.523987] RIP: 0033:0x7f0bf209d08e
[    2.524013] 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
[    2.524109] RSP: 002b:00007ffee2fb1100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.524151] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0bf209d08e
[    2.524191] RDX: 0000000000000000 RSI: 00007ffee2fb11b0 RDI: 0000000000000005
[    2.524237] RBP: 00007ffee2fb1110 R08: 0000000000000000 R09: 0000000000000000
[    2.524277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e728
[    2.524316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee2fb1888
| [    2.527691] ------------[ cut here ]------------
| [    2.527754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/211
| [    2.527846] Modules linked in:
| [    2.528010] Tainted: [W]=WARN
[    2.528075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.528149] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.528218] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.528349] RSP: 0018:ff6096b0404ef720 EFLAGS: 00010286
[    2.528416] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.528496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ab00
[    2.528580] RBP: 0000000000000000 R08: ff38f4c9c3d007d0 R09: ff38f4c9c31c3034
[    2.528659] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[    2.528739] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c189ab00
[    2.528822] FS:  00007f3557c5c840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    2.528905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.528987] CR2: 000000001e9c7988 CR3: 0000000006208002 CR4: 0000000000771ef0
[    2.529073] PKRU: 55555554
[    2.529126] Call Trace:
[    2.529178]  <TASK>
[    2.529230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.529293]  __dev_notify_flags (net/core/dev.c:9787)
[    2.529355]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.529419]  netif_change_flags (net/core/dev.c:9820)
[    2.529482]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.529546]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.529616]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.529678]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.529745]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.529812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.529873]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.529933]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.530006]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.530072]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.530134]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.530195]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.530259]  ___sys_sendmsg (net/socket.c:2752)
[    2.530323]  __sys_sendmsg (net/socket.c:2784)
[    2.530386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.530449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.530516] RIP: 0033:0x7f3557e9608e
[    2.530576] 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
[    2.530707] RSP: 002b:00007fff7ce07560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.530791] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3557e9608e
[    2.530868] RDX: 0000000000000000 RSI: 00007fff7ce07610 RDI: 0000000000000005
[    2.530948] RBP: 00007fff7ce07570 R08: 0000000000000000 R09: 0000000000000000
[    2.531032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e728
[    2.531114] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff7ce07ce8
| [    2.531352] ------------[ cut here ]------------
| [    2.531392] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/38
| [    2.531457] Modules linked in:
| [    2.531543] Tainted: [W]=WARN
[    2.531571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.531606] Workqueue: events_unbound linkwatch_event
[    2.531637] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.531668] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.531773] RSP: 0018:ff6096b04015bd50 EFLAGS: 00010286
[    2.531807] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.531856] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df1c00
[    2.531903] RBP: 0000000000000000 R08: ff38f4c9c3150b50 R09: ff38f4c9c1e6f034
[    2.531944] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.531998] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c1df1c00
[    2.532048] FS:  0000000000000000(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[    2.532095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.532132] CR2: 0000564b46ed1d5c CR3: 0000000003d1c005 CR4: 0000000000771ef0
[    2.532180] PKRU: 55555554
[    2.532195] Call Trace:
[    2.532209]  <TASK>
[    2.532226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.532249]  netif_state_change (net/core/dev.c:1605)
[    2.532274]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.532299]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.532328]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.532351]  process_one_work (kernel/workqueue.c:3314)
[    2.532378]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.532402]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.532427]  kthread (kernel/kthread.c:436)
[    2.532456]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.532485]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.532517]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.532540]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.528078] ------------[ cut here ]------------
| [    3.528160] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/37
| [    3.528235] Modules linked in:
| [    3.528322] Tainted: [W]=WARN
[    3.528342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.528379] Workqueue: events_unbound linkwatch_event
[    3.528410] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.528447] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.528549] RSP: 0018:ff6096b040153d50 EFLAGS: 00010286
[    3.528580] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.528630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df1c00
[    3.528677] RBP: 0000000000000000 R08: ff38f4c9c3d007d0 R09: ff38f4c9c1e6f034
[    3.528719] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[    3.528768] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c1df1c00
[    3.528821] FS:  0000000000000000(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[    3.528869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.528906] CR2: 0000564b46ed1d5c CR3: 0000000003d1c005 CR4: 0000000000771ef0
[    3.528951] PKRU: 55555554
[    3.528968] Call Trace:
[    3.528987]  <TASK>
[    3.529002]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.529027]  netif_state_change (net/core/dev.c:1605)
[    3.529052]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.529080]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.529107]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.529129]  process_one_work (kernel/workqueue.c:3314)
[    3.529154]  ? __timer_delete_sync (kernel/time/timer.c:1467 (discriminator 3) kernel/time/timer.c:1621 (discriminator 3))
[    3.529179]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.529201]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.529221]  kthread (kernel/kthread.c:436)
[    3.529247]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.529265]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.529288]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.529310]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.278826] ------------[ cut here ]------------
| [    5.278880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.278948] Modules linked in:
| [    5.279027] Tainted: [W]=WARN
[    5.279051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.279092] Workqueue: netns cleanup_net
[    5.279119] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.279151] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.279246] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.279278] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.279322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.279369] RBP: 0000000000000000 R08: ff38f4c9c3150c90 R09: ff38f4c9c612f830
[    5.279415] R10: ff38f4c9c3e45120 R11: fefefefefefefeff R12: 0000000000000000
[    5.279459] R13: 0000000000000011 R14: ff38f4c9c3e45000 R15: ff38f4c9c3cd4e00
[    5.279507] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.279552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.279590] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.279635] PKRU: 55555554
[    5.279650] Call Trace:
[    5.279665]  <TASK>
[    5.279682]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.279713]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.279740]  cleanup_net (net/core/net_namespace.c:702)
[    5.279760]  process_one_work (kernel/workqueue.c:3314)
[    5.279786]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.279810]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.279832]  kthread (kernel/kthread.c:436)
[    5.279857]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.279885]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.279912]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.279933]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.280079] ------------[ cut here ]------------
| [    5.280106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.280162] Modules linked in:
| [    5.280249] Tainted: [W]=WARN
[    5.280272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.280305] Workqueue: netns cleanup_net
[    5.280328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.280361] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.280455] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.280480] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.280524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.280559] RBP: 0000000000000000 R08: ff38f4c9c3150b90 R09: ff38f4c9c3e3e830
[    5.280602] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[    5.280642] R13: 0000000000000011 R14: ff38f4c9c3e40000 R15: ff38f4c9c3cd4e00
[    5.280721] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.280771] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.280807] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.280848] PKRU: 55555554
[    5.280860] Call Trace:
[    5.280881]  <TASK>
[    5.280900]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.280929]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.280949]  cleanup_net (net/core/net_namespace.c:702)
[    5.280977]  process_one_work (kernel/workqueue.c:3314)
[    5.280998]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.281020]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.281040]  kthread (kernel/kthread.c:436)
[    5.281065]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.281086]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.281108]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.281130]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.281244] ------------[ cut here ]------------
| [    5.281274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.281336] Modules linked in:
| [    5.281413] Tainted: [W]=WARN
[    5.281431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.281466] Workqueue: netns cleanup_net
[    5.281490] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.281519] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.281612] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.281641] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.281683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.281724] RBP: 0000000000000000 R08: ff38f4c9c3150990 R09: ff38f4c9c6129834
[    5.281770] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[    5.281813] R13: 0000000000000011 R14: ff38f4c9c3e43000 R15: ff38f4c9c3cd4e00
[    5.281853] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.281895] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.281925] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.281975] PKRU: 55555554
[    5.281988] Call Trace:
[    5.282001]  <TASK>
[    5.282017]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.282049]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.282078]  cleanup_net (net/core/net_namespace.c:702)
[    5.282098]  process_one_work (kernel/workqueue.c:3314)
[    5.282118]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.282139]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.282160]  kthread (kernel/kthread.c:436)
[    5.282182]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.282204]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.282226]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.282250]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.282350] ------------[ cut here ]------------
| [    5.282381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.282431] Modules linked in:
| [    5.282504] Tainted: [W]=WARN
[    5.282524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.282565] Workqueue: netns cleanup_net
[    5.282587] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.282614] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.282707] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.282744] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.282786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.282826] RBP: 0000000000000000 R08: ff38f4c9c3dea190 R09: ff38f4c9c3e39030
[    5.282865] R10: ff38f4c9c3e34120 R11: fefefefefefefeff R12: 0000000000000000
[    5.282902] R13: 0000000000000011 R14: ff38f4c9c3e34000 R15: ff38f4c9c3cd4e00
[    5.282946] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.282995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.283028] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.283073] PKRU: 55555554
[    5.283088] Call Trace:
[    5.283101]  <TASK>
[    5.283113]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.283137]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.283163]  cleanup_net (net/core/net_namespace.c:702)
[    5.283185]  process_one_work (kernel/workqueue.c:3314)
[    5.283204]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.283223]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.283241]  kthread (kernel/kthread.c:436)
[    5.283263]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.283286]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.283308]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.283329]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.283429] ------------[ cut here ]------------
| [    5.283456] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.283509] Modules linked in:
| [    5.283588] Tainted: [W]=WARN
[    5.283611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.283651] Workqueue: netns cleanup_net
[    5.283673] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.283700] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.283791] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.283816] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.283852] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.283895] RBP: 0000000000000000 R08: ff38f4c9c3cdef10 R09: ff38f4c9c3e3b030
[    5.283933] R10: ff38f4c9c3e35120 R11: fefefefefefefeff R12: 0000000000000000
[    5.283974] R13: 0000000000000011 R14: ff38f4c9c3e35000 R15: ff38f4c9c3cd4e00
[    5.284012] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.284065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.284102] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.284148] PKRU: 55555554
[    5.284165] Call Trace:
[    5.284180]  <TASK>
[    5.284192]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.284218]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.284242]  cleanup_net (net/core/net_namespace.c:702)
[    5.284265]  process_one_work (kernel/workqueue.c:3314)
[    5.284286]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.284308]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.284328]  kthread (kernel/kthread.c:436)
[    5.284347]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.284370]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.284388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.284411]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.293993] ------------[ cut here ]------------
| [    5.294045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.294109] Modules linked in:
| [    5.294202] Tainted: [W]=WARN
[    5.294229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.294266] Workqueue: netns cleanup_net
[    5.294290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.294318] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.294420] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    5.294450] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.294492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.294537] RBP: 0000000000000000 R08: ff38f4c9c3d007d0 R09: ff38f4c9c3e35034
[    5.294586] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[    5.294629] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c3cd4e00
[    5.294676] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.294732] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.294768] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.294812] PKRU: 55555554
[    5.294826] Call Trace:
[    5.294839]  <TASK>
[    5.294854]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.294873]  netif_close_many (net/core/dev.c:1804)
[    5.294898]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    5.294927]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    5.294957]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.294990]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.295016]  cleanup_net (net/core/net_namespace.c:702)
[    5.295041]  process_one_work (kernel/workqueue.c:3314)
[    5.295070]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.295091]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.295110]  kthread (kernel/kthread.c:436)
[    5.295135]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.295156]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.295178]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.295200]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.295291] ------------[ cut here ]------------
| [    5.295318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.295375] Modules linked in:
| [    5.295452] Tainted: [W]=WARN
[    5.295474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.295508] Workqueue: netns cleanup_net
[    5.295532] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.295559] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.295658] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    5.295686] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.295728] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.295771] RBP: 0000000000000000 R08: ff38f4c9c3150b50 R09: ff38f4c9c3e35034
[    5.295815] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    5.295857] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd4e00
[    5.295903] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.295946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.295976] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.296022] PKRU: 55555554
[    5.296037] Call Trace:
[    5.296049]  <TASK>
[    5.296074]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.296096]  netif_close_many (net/core/dev.c:1804)
[    5.296123]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    5.296152]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    5.296181]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.296214]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.296236]  cleanup_net (net/core/net_namespace.c:702)
[    5.296257]  process_one_work (kernel/workqueue.c:3314)
[    5.296278]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.296298]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.296323]  kthread (kernel/kthread.c:436)
[    5.296345]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.296366]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.296388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.296412]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.296499] ------------[ cut here ]------------
| [    5.296526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.296588] Modules linked in:
| [    5.296666] Tainted: [W]=WARN
[    5.296688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.296719] Workqueue: netns cleanup_net
[    5.296746] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.296777] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.296875] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    5.296904] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.296948] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.296991] RBP: 0000000000000000 R08: ff38f4c9c19044d0 R09: ff38f4c9c3e3502c
[    5.297035] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[    5.297083] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd4e00
[    5.297129] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.297173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.297210] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.297256] PKRU: 55555554
[    5.297270] Call Trace:
[    5.297288]  <TASK>
[    5.297304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.297326]  netif_close_many (net/core/dev.c:1804)
[    5.297348]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    5.297372]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    5.297401]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.297432]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.297459]  cleanup_net (net/core/net_namespace.c:702)
[    5.297481]  process_one_work (kernel/workqueue.c:3314)
[    5.297502]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.297522]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.297543]  kthread (kernel/kthread.c:436)
[    5.297566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.297587]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.297610]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.297632]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.297750] ------------[ cut here ]------------
| [    5.297777] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.297841] Modules linked in:
| [    5.297915] Tainted: [W]=WARN
[    5.297938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.297972] Workqueue: netns cleanup_net
[    5.297995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.298026] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.298126] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    5.298154] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.298201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.298241] RBP: 0000000000000000 R08: ff38f4c9c3d007d0 R09: ff38f4c9c614d034
[    5.298283] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[    5.298322] R13: 0000000000000011 R14: ff38f4c9c6139000 R15: ff38f4c9c3cd4e00
[    5.298367] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.298409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.298441] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.298485] PKRU: 55555554
[    5.298497] Call Trace:
[    5.298511]  <TASK>
[    5.298525]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.298557]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.298584]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.298605]  cleanup_net (net/core/net_namespace.c:702)
[    5.298627]  process_one_work (kernel/workqueue.c:3314)
[    5.298646]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.298693]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.298715]  kthread (kernel/kthread.c:436)
[    5.298735]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.298759]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.298780]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.298803]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.298913] ------------[ cut here ]------------
| [    5.298938] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.299002] Modules linked in:
| [    5.299090] Tainted: [W]=WARN
[    5.299110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.299144] Workqueue: netns cleanup_net
[    5.299168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.299196] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.299305] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    5.299332] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.299377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.299418] RBP: 0000000000000000 R08: ff38f4c9c3150b50 R09: ff38f4c9c614a034
[    5.299464] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    5.299510] R13: 0000000000000011 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd4e00
[    5.299556] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.299606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.299641] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.299688] PKRU: 55555554
[    5.299703] Call Trace:
[    5.299717]  <TASK>
[    5.299731]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.299762]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.299790]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.299813]  cleanup_net (net/core/net_namespace.c:702)
[    5.299832]  process_one_work (kernel/workqueue.c:3314)
[    5.299853]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.299875]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.299902]  kthread (kernel/kthread.c:436)
[    5.299926]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.299949]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.299975]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.299995]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.300111] ------------[ cut here ]------------
| [    5.300138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.300199] Modules linked in:
| [    5.300281] Tainted: [W]=WARN
[    5.300301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.300334] Workqueue: netns cleanup_net
[    5.300359] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.300383] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.300486] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    5.300517] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.300559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.300601] RBP: 0000000000000000 R08: ff38f4c9c19044d0 R09: ff38f4c9c3e3c82c
[    5.300644] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[    5.300688] R13: 0000000000000011 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd4e00
[    5.300731] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.300770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.300806] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.300851] PKRU: 55555554
[    5.300866] Call Trace:
[    5.300878]  <TASK>
[    5.300891]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.300922]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.300949]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.300973]  cleanup_net (net/core/net_namespace.c:702)
[    5.300996]  process_one_work (kernel/workqueue.c:3314)
[    5.301019]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.301045]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.301071]  kthread (kernel/kthread.c:436)
[    5.301092]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.301115]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.301137]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.301156]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.307602] ------------[ cut here ]------------
| [    5.307692] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/228
| [    5.307779] Modules linked in:
| [    5.307925] Tainted: [W]=WARN
[    5.307988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.308067] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.308136] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.308272] RSP: 0018:ff6096b040547cb8 EFLAGS: 00010286
[    5.308336] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.308413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ab00
[    5.308490] RBP: 0000000000000000 R08: ff38f4c9c32c6a50 R09: ff38f4c9c3e4002c
[    5.308570] R10: ff38f4c9c3e35120 R11: fefefefefefefeff R12: 0000000000000000
[    5.308648] R13: 0000000000000010 R14: ff38f4c9c3e35000 R15: ff38f4c9c189ab00
[    5.308729] FS:  00007f1231fe6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.308811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.308880] CR2: 00007f123235f493 CR3: 0000000003ce2002 CR4: 0000000000771ef0
[    5.308958] PKRU: 55555554
[    5.309017] Call Trace:
[    5.309076]  <TASK>
[    5.309130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.309187]  register_netdevice (net/core/dev.c:11488)
[    5.309244]  register_netdev (net/core/dev.c:11552)
[    5.309300]  loopback_net_init (drivers/net/loopback.c:218)
[    5.309359]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    5.309443]  ops_init (net/core/net_namespace.c:137)
[    5.309501]  setup_net (net/core/net_namespace.c:446)
[    5.309560]  copy_net_ns (net/core/net_namespace.c:579)
[    5.309617]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.309682]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.309746]  ksys_unshare (kernel/fork.c:3243)
[    5.309804]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.309861]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.309919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.309991] RIP: 0033:0x7f12322a8bcb
[    5.310048] 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
[    5.310184] RSP: 002b:00007ffd7ece4ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.310262] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12322a8bcb
[    5.310339] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.310414] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.310490] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7ece6cf0
[    5.310588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ece78a1
| [    5.310827] ------------[ cut here ]------------
| [    5.310890] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/228
| [    5.310982] Modules linked in:
| [    5.311134] Tainted: [W]=WARN
[    5.311188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.311258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.311322] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.311448] RSP: 0018:ff6096b040547c10 EFLAGS: 00010286
[    5.311515] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.311591] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5f00
[    5.311666] RBP: 0000000000000000 R08: ff38f4c9c32c6ad0 R09: ff38f4c9c614c830
[    5.311747] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[    5.311825] R13: 0000000000000010 R14: ff38f4c9c3e40000 R15: ff38f4c9c1df5f00
[    5.311908] FS:  00007f1231fe6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.311993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.312068] CR2: 00007f123235f493 CR3: 0000000003ce2002 CR4: 0000000000771ef0
[    5.312146] PKRU: 55555554
[    5.312193] Call Trace:
[    5.312245]  <TASK>
[    5.312296]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.312361]  register_netdevice (net/core/dev.c:11488)
[    5.312424]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.312484]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.312542]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    5.312600]  ops_init (net/core/net_namespace.c:137)
[    5.312656]  setup_net (net/core/net_namespace.c:446)
[    5.312714]  copy_net_ns (net/core/net_namespace.c:579)
[    5.312770]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.312836]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.312899]  ksys_unshare (kernel/fork.c:3243)
[    5.312956]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.313017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.313085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.313154] RIP: 0033:0x7f12322a8bcb
[    5.313214] 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
[    5.313350] RSP: 002b:00007ffd7ece4ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.313426] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12322a8bcb
[    5.313500] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.313575] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.313651] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7ece6cf0
[    5.313726] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ece78a1
| [    5.313975] ------------[ cut here ]------------
| [    5.314037] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/228
| [    5.314129] Modules linked in:
| [    5.314273] Tainted: [W]=WARN
[    5.314327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.314396] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.314460] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.314593] RSP: 0018:ff6096b040547bf0 EFLAGS: 00010286
[    5.314681] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.314760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5500
[    5.314835] RBP: 0000000000000000 R08: ff38f4c9c32c6b50 R09: ff38f4c9c6129030
[    5.314911] R10: ff38f4c9c6143120 R11: fefefefefefefeff R12: 0000000000000000
[    5.314996] R13: 0000000000000010 R14: ff38f4c9c6143000 R15: ff38f4c9c1df5500
[    5.315083] FS:  00007f1231fe6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.315165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.315256] CR2: 00007f123235f493 CR3: 0000000003ce2002 CR4: 0000000000771ef0
[    5.315340] PKRU: 55555554
[    5.315389] Call Trace:
[    5.315438]  <TASK>
[    5.315486]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.315542]  register_netdevice (net/core/dev.c:11488)
[    5.315598]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.315655]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.315712]  vti_init_net (net/ipv4/ip_vti.c:517)
[    5.315769]  ops_init (net/core/net_namespace.c:137)
[    5.315827]  setup_net (net/core/net_namespace.c:446)
[    5.315889]  copy_net_ns (net/core/net_namespace.c:579)
[    5.315950]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.316021]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.316091]  ksys_unshare (kernel/fork.c:3243)
[    5.316153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.316214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.316275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.316340] RIP: 0033:0x7f12322a8bcb
[    5.316401] 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
[    5.316531] RSP: 002b:00007ffd7ece4ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.316609] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12322a8bcb
[    5.316684] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.316759] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.316840] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7ece6cf0
[    5.316917] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ece78a1
| [    5.317174] ------------[ cut here ]------------
| [    5.317236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/228
| [    5.317322] Modules linked in:
| [    5.317467] Tainted: [W]=WARN
[    5.317546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.317617] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.317681] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.317812] RSP: 0018:ff6096b040547ca8 EFLAGS: 00010286
[    5.317874] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.317950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4a00
[    5.318033] RBP: 0000000000000000 R08: ff38f4c9c32c6c10 R09: ff38f4c9c3e31034
[    5.318117] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[    5.318195] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd4a00
[    5.318276] FS:  00007f1231fe6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.318357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.318427] CR2: 00007f123235f493 CR3: 0000000003ce2002 CR4: 0000000000771ef0
[    5.318506] PKRU: 55555554
[    5.318554] Call Trace:
[    5.318602]  <TASK>
[    5.318650]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.318710]  register_netdevice (net/core/dev.c:11488)
[    5.318766]  register_netdev (net/core/dev.c:11552)
[    5.318824]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    5.318882]  ops_init (net/core/net_namespace.c:137)
[    5.318939]  setup_net (net/core/net_namespace.c:446)
[    5.319006]  copy_net_ns (net/core/net_namespace.c:579)
[    5.319074]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.319142]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.319207]  ksys_unshare (kernel/fork.c:3243)
[    5.319265]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.319342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.319408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.319479] RIP: 0033:0x7f12322a8bcb
[    5.319541] 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
[    5.319672] RSP: 002b:00007ffd7ece4ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.319747] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12322a8bcb
[    5.319822] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.319900] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.319982] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7ece6cf0
[    5.320057] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ece78a1
| [    5.320305] ------------[ cut here ]------------
| [    5.320368] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/228
| [    5.320454] Modules linked in:
| [    5.320601] Tainted: [W]=WARN
[    5.320655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.320724] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.320787] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.320922] RSP: 0018:ff6096b040547ca0 EFLAGS: 00010286
[    5.320991] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.321075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b200
[    5.321154] RBP: 0000000000000000 R08: ff38f4c9c32c6e10 R09: ff38f4c9c6140030
[    5.321231] R10: ff38f4c9c3e31120 R11: fefefefefefefeff R12: 0000000000000000
[    5.321305] R13: 0000000000000010 R14: ff38f4c9c3e31000 R15: ff38f4c9c189b200
[    5.321385] FS:  00007f1231fe6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.321465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.321532] CR2: 00007f123235f493 CR3: 0000000003ce2002 CR4: 0000000000771ef0
[    5.321611] PKRU: 55555554
[    5.321659] Call Trace:
[    5.321707]  <TASK>
[    5.321755]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.321812]  register_netdevice (net/core/dev.c:11488)
[    5.321868]  register_netdev (net/core/dev.c:11552)
[    5.321937]  sit_init_net (net/ipv6/sit.c:1860)
[    5.322003]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    5.322067]  ops_init (net/core/net_namespace.c:137)
[    5.322125]  setup_net (net/core/net_namespace.c:446)
[    5.322181]  copy_net_ns (net/core/net_namespace.c:579)
[    5.322239]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.322302]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.322366]  ksys_unshare (kernel/fork.c:3243)
[    5.322422]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.322478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.322535]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.322598] RIP: 0033:0x7f12322a8bcb
[    5.322655] 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
[    5.322792] RSP: 002b:00007ffd7ece4ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.322869] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12322a8bcb
[    5.322946] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.323027] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.323106] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7ece6cf0
[    5.323183] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ece78a1
| [    5.323429] ------------[ cut here ]------------
| [    5.323490] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/228
| [    5.323574] Modules linked in:
| [    5.323720] Tainted: [W]=WARN
[    5.323775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.323843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.323906] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.324044] RSP: 0018:ff6096b040547ca8 EFLAGS: 00010286
[    5.324145] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.324229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5f00
[    5.324306] RBP: 0000000000000000 R08: ff38f4c9c32c6e90 R09: ff38f4c9c3e47030
[    5.324382] R10: ff38f4c9c6140120 R11: fefefefefefefeff R12: 0000000000000000
[    5.324457] R13: 0000000000000010 R14: ff38f4c9c6140000 R15: ff38f4c9c1df5f00
[    5.325154] FS:  00007f1231fe6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.325234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.325307] CR2: 00007f123235f493 CR3: 0000000003ce2002 CR4: 0000000000771ef0
[    5.325390] PKRU: 55555554
[    5.325438] Call Trace:
[    5.325487]  <TASK>
[    5.325536]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.325592]  register_netdevice (net/core/dev.c:11488)
[    5.325649]  register_netdev (net/core/dev.c:11552)
[    5.325705]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    5.325762]  ops_init (net/core/net_namespace.c:137)
[    5.325819]  setup_net (net/core/net_namespace.c:446)
[    5.325876]  copy_net_ns (net/core/net_namespace.c:579)
[    5.325933]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.326011]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.326084]  ksys_unshare (kernel/fork.c:3243)
[    5.326141]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.326197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.326255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.326318] RIP: 0033:0x7f12322a8bcb
[    5.326374] 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
[    5.326505] RSP: 002b:00007ffd7ece4ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.326582] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12322a8bcb
[    5.326656] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.326731] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.326805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7ece6cf0
[    5.326881] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ece78a1
| [    5.330271] ------------[ cut here ]------------
| [    5.330316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/229
| [    5.330368] Modules linked in:
| [    5.330454] Tainted: [W]=WARN
[    5.330476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.330514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.330541] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.330636] RSP: 0018:ff6096b04054f720 EFLAGS: 00010286
[    5.330667] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.330707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    5.330751] RBP: 0000000000000000 R08: ff38f4c9c32c6a50 R09: ff38f4c9c614602c
[    5.330794] R10: ff38f4c9c3e35120 R11: fefefefefefefeff R12: 0000000000000000
[    5.330834] R13: 0000000000000010 R14: ff38f4c9c3e35000 R15: ff38f4c9c1df6a00
[    5.330885] FS:  00007fde31cbd840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    5.330928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.330967] CR2: 0000000001795988 CR3: 00000000062c3005 CR4: 0000000000771ef0
[    5.331009] PKRU: 55555554
[    5.331024] Call Trace:
[    5.331038]  <TASK>
[    5.331054]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.331084]  __dev_notify_flags (net/core/dev.c:9787)
[    5.331107]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    5.331127]  netif_change_flags (net/core/dev.c:9820)
[    5.331149]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    5.331172]  ? __nla_validate_parse (lib/nlattr.c:620)
[    5.331204]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    5.331228]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    5.331251]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.331286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.331319]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    5.331361]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.331395]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.331419]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.331442]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.331464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.331486]  ___sys_sendmsg (net/socket.c:2752)
[    5.331510]  __sys_sendmsg (net/socket.c:2784)
[    5.331528]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.331552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.331584] RIP: 0033:0x7fde31ef708e
[    5.331607] 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
[    5.331707] RSP: 002b:00007ffe31592970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.331751] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde31ef708e
[    5.331798] RDX: 0000000000000000 RSI: 00007ffe31592a20 RDI: 0000000000000005
[    5.331838] RBP: 00007ffe31592980 R08: 0000000000000000 R09: 0000000000000000
[    5.331881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72b
[    5.331922] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe315930f0
| [    5.341067] ------------[ cut here ]------------
| [    5.341117] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.341177] Modules linked in:
| [    5.341265] Tainted: [W]=WARN
[    5.341285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.341317] Workqueue: netns cleanup_net
[    5.341342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.341372] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.341464] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.341494] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.341534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.341576] RBP: 0000000000000000 R08: ff38f4c9c3378a50 R09: ff38f4c9c60a5830
[    5.341615] R10: ff38f4c9c61a2120 R11: fefefefefefefeff R12: 0000000000000000
[    5.341661] R13: 0000000000000011 R14: ff38f4c9c61a2000 R15: ff38f4c9c3cd4e00
[    5.341711] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.341752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.341793] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.341841] PKRU: 55555554
[    5.341855] Call Trace:
[    5.341870]  <TASK>
[    5.341882]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.341907]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.341927]  cleanup_net (net/core/net_namespace.c:702)
[    5.341947]  process_one_work (kernel/workqueue.c:3314)
[    5.341972]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.341993]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.342012]  kthread (kernel/kthread.c:436)
[    5.342033]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.342056]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.342224]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.342270]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.342394] ------------[ cut here ]------------
| [    5.342420] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.342482] Modules linked in:
| [    5.342569] Tainted: [W]=WARN
[    5.342590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.342623] Workqueue: netns cleanup_net
[    5.342648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.342677] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.342775] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.342801] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.342833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.342874] RBP: 0000000000000000 R08: ff38f4c9c3378b50 R09: ff38f4c9c60a8830
[    5.342919] R10: ff38f4c9c609d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.342966] R13: 0000000000000011 R14: ff38f4c9c609d000 R15: ff38f4c9c3cd4e00
[    5.343016] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.343096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.343132] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.343175] PKRU: 55555554
[    5.343187] Call Trace:
[    5.343198]  <TASK>
[    5.343213]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.343241]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.343269]  cleanup_net (net/core/net_namespace.c:702)
[    5.343292]  process_one_work (kernel/workqueue.c:3314)
[    5.343314]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.343335]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.343359]  kthread (kernel/kthread.c:436)
[    5.343379]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.343401]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.343421]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.343446]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.343545] ------------[ cut here ]------------
| [    5.343572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.343617] Modules linked in:
| [    5.343697] Tainted: [W]=WARN
[    5.343715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.343746] Workqueue: netns cleanup_net
[    5.343769] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.343797] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.343905] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.343932] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.343972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.344012] RBP: 0000000000000000 R08: ff38f4c9c3378c50 R09: ff38f4c9c6097834
[    5.344068] R10: ff38f4c9c6098120 R11: fefefefefefefeff R12: 0000000000000000
[    5.344111] R13: 0000000000000011 R14: ff38f4c9c6098000 R15: ff38f4c9c3cd4e00
[    5.344154] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.344193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.344226] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.344270] PKRU: 55555554
[    5.344284] Call Trace:
[    5.344298]  <TASK>
[    5.344310]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.344337]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.344361]  cleanup_net (net/core/net_namespace.c:702)
[    5.344384]  process_one_work (kernel/workqueue.c:3314)
[    5.344405]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.344426]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.344450]  kthread (kernel/kthread.c:436)
[    5.344472]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.344492]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.344513]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.344536]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.344637] ------------[ cut here ]------------
| [    5.344666] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.344723] Modules linked in:
| [    5.344801] Tainted: [W]=WARN
[    5.344821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.344855] Workqueue: netns cleanup_net
[    5.344876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.344909] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.345009] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.345042] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.345091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.345131] RBP: 0000000000000000 R08: ff38f4c9c3378b10 R09: ff38f4c9c60a3030
[    5.345171] R10: ff38f4c9c6099120 R11: fefefefefefefeff R12: 0000000000000000
[    5.345212] R13: 0000000000000011 R14: ff38f4c9c6099000 R15: ff38f4c9c3cd4e00
[    5.345253] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.345297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.345333] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.345376] PKRU: 55555554
[    5.345391] Call Trace:
[    5.345406]  <TASK>
[    5.345419]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.345451]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.345474]  cleanup_net (net/core/net_namespace.c:702)
[    5.345496]  process_one_work (kernel/workqueue.c:3314)
[    5.345518]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.345538]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.345558]  kthread (kernel/kthread.c:436)
[    5.345578]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.345599]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.345625]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.345647]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.345749] ------------[ cut here ]------------
| [    5.345775] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.345830] Modules linked in:
| [    5.345910] Tainted: [W]=WARN
[    5.345931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.345968] Workqueue: netns cleanup_net
[    5.345988] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.346016] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.346108] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    5.346139] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.346181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.346219] RBP: 0000000000000000 R08: ff38f4c9c3378c10 R09: ff38f4c9c6091030
[    5.346260] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    5.346300] R13: 0000000000000011 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4e00
[    5.346346] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.346396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.346428] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.346466] PKRU: 55555554
[    5.346482] Call Trace:
[    5.346498]  <TASK>
[    5.346513]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.346542]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.346563]  cleanup_net (net/core/net_namespace.c:702)
[    5.346583]  process_one_work (kernel/workqueue.c:3314)
[    5.346605]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.346625]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.346644]  kthread (kernel/kthread.c:436)
[    5.346665]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.346688]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.346709]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.346730]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.349990] ------------[ cut here ]------------
| [    5.350030] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.350093] Modules linked in:
| [    5.350177] Tainted: [W]=WARN
[    5.350200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.350233] Workqueue: netns cleanup_net
[    5.350253] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.350282] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.350373] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    5.350401] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.350443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.350489] RBP: 0000000000000000 R08: ff38f4c9c3378d10 R09: ff38f4c9c609a02c
[    5.350527] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.350573] R13: 0000000000000010 R14: ff38f4c9c613d000 R15: ff38f4c9c3cd4e00
[    5.350613] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.350654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.350691] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.350742] PKRU: 55555554
[    5.350757] Call Trace:
[    5.350771]  <TASK>
[    5.350794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.350813]  netif_close_many (net/core/dev.c:1804)
[    5.350836]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    5.350867]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[    5.350890]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.350919]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.350941]  cleanup_net (net/core/net_namespace.c:702)
[    5.350966]  process_one_work (kernel/workqueue.c:3314)
[    5.350987]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.351008]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.351026]  kthread (kernel/kthread.c:436)
[    5.351050]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.351079]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.351102]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.351124]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.351293] ------------[ cut here ]------------
| [    5.351321] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.351370] Modules linked in:
| [    5.351438] Tainted: [W]=WARN
[    5.351460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.351491] Workqueue: netns cleanup_net
[    5.351513] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.351542] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.351629] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    5.351658] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.351697] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    5.351739] RBP: 0000000000000000 R08: ff38f4c9c3378d10 R09: ff38f4c9c609282c
[    5.351779] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.351819] R13: 0000000000000011 R14: ff38f4c9c613d000 R15: ff38f4c9c3cd4e00
[    5.351861] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    5.351907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.351945] CR2: 00007fc88998eab0 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    5.351985] PKRU: 55555554
[    5.352000] Call Trace:
[    5.352012]  <TASK>
[    5.352025]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.352062]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.352089]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.352110]  cleanup_net (net/core/net_namespace.c:702)
[    5.352133]  process_one_work (kernel/workqueue.c:3314)
[    5.352154]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.352185]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.352205]  kthread (kernel/kthread.c:436)
[    5.352228]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.352248]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.352270]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.352293]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.358872] ------------[ cut here ]------------
| [    5.358952] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [    5.359049] Modules linked in:
| [    5.359212] Tainted: [W]=WARN
[    5.359273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.359348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.359422] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.359547] RSP: 0018:ff6096b04058fcb8 EFLAGS: 00010286
[    5.359614] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.359687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b100
[    5.359767] RBP: 0000000000000000 R08: ff38f4c9c32db350 R09: ff38f4c9c609e02c
[    5.359843] R10: ff38f4c9c609f120 R11: fefefefefefefeff R12: 0000000000000000
[    5.359926] R13: 0000000000000010 R14: ff38f4c9c609f000 R15: ff38f4c9c189b100
[    5.360021] FS:  00007fc31f872840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.360108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.360181] CR2: 00007fc31fa79430 CR3: 0000000006304001 CR4: 0000000000771ef0
[    5.360262] PKRU: 55555554
[    5.360311] Call Trace:
[    5.360363]  <TASK>
[    5.360415]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.360480]  register_netdevice (net/core/dev.c:11488)
[    5.360545]  register_netdev (net/core/dev.c:11552)
[    5.360609]  loopback_net_init (drivers/net/loopback.c:218)
[    5.360674]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    5.360745]  ops_init (net/core/net_namespace.c:137)
[    5.360816]  setup_net (net/core/net_namespace.c:446)
[    5.360880]  copy_net_ns (net/core/net_namespace.c:579)
[    5.360942]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.361017]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.361093]  ksys_unshare (kernel/fork.c:3243)
[    5.361157]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.361219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.361284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.361355] RIP: 0033:0x7fc31fb34bcb
[    5.361417] 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
[    5.361552] RSP: 002b:00007ffd445c2ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.361632] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc31fb34bcb
[    5.361712] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.361792] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.361869] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd445c50d0
[    5.361951] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd445c589f
| [    5.362216] ------------[ cut here ]------------
| [    5.362282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [    5.362377] Modules linked in:
| [    5.362537] Tainted: [W]=WARN
[    5.362598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.362676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.362745] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.362872] RSP: 0018:ff6096b04058fc10 EFLAGS: 00010286
[    5.362944] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.363029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ab00
[    5.363114] RBP: 0000000000000000 R08: ff38f4c9c324cbd0 R09: ff38f4c9c6097830
[    5.363196] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[    5.363274] R13: 0000000000000010 R14: ff38f4c9c609e000 R15: ff38f4c9c189ab00
[    5.363359] FS:  00007fc31f872840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.363441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.363515] CR2: 00007fc31fa79430 CR3: 0000000006304001 CR4: 0000000000771ef0
[    5.363598] PKRU: 55555554
[    5.363650] Call Trace:
[    5.363703]  <TASK>
[    5.363756]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.363817]  register_netdevice (net/core/dev.c:11488)
[    5.363878]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.363942]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.364007]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    5.364080]  ops_init (net/core/net_namespace.c:137)
[    5.364143]  setup_net (net/core/net_namespace.c:446)
[    5.364206]  copy_net_ns (net/core/net_namespace.c:579)
[    5.364272]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.364341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.364410]  ksys_unshare (kernel/fork.c:3243)
[    5.364473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.364536]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.364599]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.364669] RIP: 0033:0x7fc31fb34bcb
[    5.364732] 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
[    5.364864] RSP: 002b:00007ffd445c2ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.364945] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc31fb34bcb
[    5.365039] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.365121] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.365194] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd445c50d0
[    5.365269] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd445c589f
| [    5.365512] ------------[ cut here ]------------
| [    5.365576] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [    5.365663] Modules linked in:
| [    5.365819] Tainted: [W]=WARN
[    5.365879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.365955] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.366030] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.366169] RSP: 0018:ff6096b04058fbf0 EFLAGS: 00010286
[    5.366233] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.366314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5f00
[    5.366391] RBP: 0000000000000000 R08: ff38f4c9c32db710 R09: ff38f4c9c6096830
[    5.366469] R10: ff38f4c9c61a3120 R11: fefefefefefefeff R12: 0000000000000000
[    5.366547] R13: 0000000000000010 R14: ff38f4c9c61a3000 R15: ff38f4c9c1df5f00
[    5.366627] FS:  00007fc31f872840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.366709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.366784] CR2: 00007fc31fa79430 CR3: 0000000006304001 CR4: 0000000000771ef0
[    5.366863] PKRU: 55555554
[    5.366915] Call Trace:
[    5.366972]  <TASK>
[    5.367024]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.367093]  register_netdevice (net/core/dev.c:11488)
[    5.367156]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.367217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.367280]  vti_init_net (net/ipv4/ip_vti.c:517)
[    5.367343]  ops_init (net/core/net_namespace.c:137)
[    5.367405]  setup_net (net/core/net_namespace.c:446)
[    5.367466]  copy_net_ns (net/core/net_namespace.c:579)
[    5.367529]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.367598]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.367661]  ksys_unshare (kernel/fork.c:3243)
[    5.367723]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.367785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.367848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.367916] RIP: 0033:0x7fc31fb34bcb
[    5.367986] 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
[    5.368118] RSP: 002b:00007ffd445c2ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.368199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc31fb34bcb
[    5.368278] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.368361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.368440] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd445c50d0
[    5.368521] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd445c589f
| [    5.368777] ------------[ cut here ]------------
| [    5.368842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [    5.368928] Modules linked in:
| [    5.369094] Tainted: [W]=WARN
[    5.369152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.369227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.369293] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.369426] RSP: 0018:ff6096b04058fca8 EFLAGS: 00010286
[    5.369495] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.369574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5600
[    5.369652] RBP: 0000000000000000 R08: ff38f4c9c3296f50 R09: ff38f4c9c31c4034
[    5.369729] R10: ff38f4c9c61a0120 R11: fefefefefefefeff R12: 0000000000000000
[    5.369804] R13: 0000000000000010 R14: ff38f4c9c61a0000 R15: ff38f4c9c1df5600
[    5.369891] FS:  00007fc31f872840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.369975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.370046] CR2: 00007fc31fa79430 CR3: 0000000006304001 CR4: 0000000000771ef0
[    5.370135] PKRU: 55555554
[    5.370186] Call Trace:
[    5.370238]  <TASK>
[    5.370290]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.370353]  register_netdevice (net/core/dev.c:11488)
[    5.370416]  register_netdev (net/core/dev.c:11552)
[    5.370477]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    5.370540]  ops_init (net/core/net_namespace.c:137)
[    5.370603]  setup_net (net/core/net_namespace.c:446)
[    5.370667]  copy_net_ns (net/core/net_namespace.c:579)
[    5.370729]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.370798]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.370865]  ksys_unshare (kernel/fork.c:3243)
[    5.370927]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.370994]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.371067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.371133] RIP: 0033:0x7fc31fb34bcb
[    5.371197] 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
[    5.371330] RSP: 002b:00007ffd445c2ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.371411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc31fb34bcb
[    5.371495] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.371577] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.371655] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd445c50d0
[    5.371736] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd445c589f
| [    5.372001] ------------[ cut here ]------------
| [    5.372069] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [    5.372155] Modules linked in:
| [    5.372309] Tainted: [W]=WARN
[    5.372369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.372442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.372514] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.372639] RSP: 0018:ff6096b04058fca0 EFLAGS: 00010286
[    5.372707] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.372785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ad00
[    5.372864] RBP: 0000000000000000 R08: ff38f4c9c32a1010 R09: ff38f4c9c613d030
[    5.372943] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[    5.373028] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c189ad00
[    5.373117] FS:  00007fc31f872840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.373194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.373267] CR2: 00007fc31fa79430 CR3: 0000000006304001 CR4: 0000000000771ef0
[    5.373348] PKRU: 55555554
[    5.373400] Call Trace:
[    5.373451]  <TASK>
[    5.373503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.373565]  register_netdevice (net/core/dev.c:11488)
[    5.373628]  register_netdev (net/core/dev.c:11552)
[    5.373691]  sit_init_net (net/ipv6/sit.c:1860)
[    5.373755]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    5.373817]  ops_init (net/core/net_namespace.c:137)
[    5.373880]  setup_net (net/core/net_namespace.c:446)
[    5.373943]  copy_net_ns (net/core/net_namespace.c:579)
[    5.374012]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.374088]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.374159]  ksys_unshare (kernel/fork.c:3243)
[    5.374221]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.374285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.374346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.374411] RIP: 0033:0x7fc31fb34bcb
[    5.374473] 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
[    5.374596] RSP: 002b:00007ffd445c2ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.374675] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc31fb34bcb
[    5.374756] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.374835] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.374914] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd445c50d0
[    5.375009] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd445c589f
| [    5.375266] ------------[ cut here ]------------
| [    5.375334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [    5.375420] Modules linked in:
| [    5.375574] Tainted: [W]=WARN
[    5.375634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.375708] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.375776] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.375902] RSP: 0018:ff6096b04058fca8 EFLAGS: 00010286
[    5.375979] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.376067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b200
[    5.376144] RBP: 0000000000000000 R08: ff38f4c9c32db9d0 R09: ff38f4c9c609a030
[    5.376227] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.376306] R13: 0000000000000010 R14: ff38f4c9c613d000 R15: ff38f4c9c189b200
[    5.376388] FS:  00007fc31f872840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.376464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.376538] CR2: 00007fc31fa79430 CR3: 0000000006304001 CR4: 0000000000771ef0
[    5.376622] PKRU: 55555554
[    5.376673] Call Trace:
[    5.376724]  <TASK>
[    5.376775]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.376838]  register_netdevice (net/core/dev.c:11488)
[    5.376900]  register_netdev (net/core/dev.c:11552)
[    5.376969]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    5.377033]  ops_init (net/core/net_namespace.c:137)
[    5.377103]  setup_net (net/core/net_namespace.c:446)
[    5.377165]  copy_net_ns (net/core/net_namespace.c:579)
[    5.377227]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.377294]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.377361]  ksys_unshare (kernel/fork.c:3243)
[    5.377424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.377484]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.377547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.377614] RIP: 0033:0x7fc31fb34bcb
[    5.377675] 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
[    5.377801] RSP: 002b:00007ffd445c2ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.377883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc31fb34bcb
[    5.377969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.378049] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.378130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd445c50d0
[    5.378209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd445c589f
| [    5.381545] ------------[ cut here ]------------
| [    5.381588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/238
| [    5.381638] Modules linked in:
| [    5.381718] Tainted: [W]=WARN
[    5.381741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.381782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.381814] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.381907] RSP: 0018:ff6096b040597720 EFLAGS: 00010286
[    5.381933] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.381974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    5.382020] RBP: 0000000000000000 R08: ff38f4c9c32db350 R09: ff38f4c9c614602c
[    5.382066] R10: ff38f4c9c609f120 R11: fefefefefefefeff R12: 0000000000000000
[    5.382106] R13: 0000000000000010 R14: ff38f4c9c609f000 R15: ff38f4c9c1df6a00
[    5.382149] FS:  00007fbbd3612840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    5.382191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.382231] CR2: 00007fbbd38e21a0 CR3: 00000000063df005 CR4: 0000000000771ef0
[    5.382270] PKRU: 55555554
[    5.382286] Call Trace:
[    5.382302]  <TASK>
[    5.382319]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.382341]  __dev_notify_flags (net/core/dev.c:9787)
[    5.382363]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    5.382385]  netif_change_flags (net/core/dev.c:9820)
[    5.382407]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    5.382431]  ? __nla_validate_parse (lib/nlattr.c:620)
[    5.382460]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    5.382483]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    5.382505]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.382540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.382562]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    5.382584]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.382616]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.382638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.382659]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.382681]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.382703]  ___sys_sendmsg (net/socket.c:2752)
[    5.382726]  __sys_sendmsg (net/socket.c:2784)
[    5.382752]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.382773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.382801] RIP: 0033:0x7fbbd384c08e
[    5.382825] 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
[    5.382913] RSP: 002b:00007ffeb14284e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.382953] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbbd384c08e
[    5.382997] RDX: 0000000000000000 RSI: 00007ffeb1428590 RDI: 0000000000000005
[    5.383037] RBP: 00007ffeb14284f0 R08: 0000000000000000 R09: 0000000000000000
[    5.383081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72b
[    5.383124] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb1428c60
| [    5.394162] ------------[ cut here ]------------
| [    5.394237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    5.394323] Modules linked in:
| [    5.394482] Tainted: [W]=WARN
[    5.394545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.394616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.394684] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.394811] RSP: 0018:ff6096b0405af5f0 EFLAGS: 00010286
[    5.394878] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.394956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[    5.395040] RBP: 0000000000000000 R08: ff38f4c9c3266510 R09: ff38f4c9c3e44034
[    5.395124] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[    5.395202] R13: 0000000000000010 R14: ff38f4c9c1c31000 R15: ff38f4c9c3cd8b00
[    5.395282] FS:  00007fa4747a6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.395363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.395436] CR2: 00000000004eb188 CR3: 0000000006300001 CR4: 0000000000771ef0
[    5.395517] PKRU: 55555554
[    5.395568] Call Trace:
[    5.395618]  <TASK>
[    5.395670]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.395732]  __dev_notify_flags (net/core/dev.c:9787)
[    5.395795]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    5.395858]  veth_newlink (drivers/net/veth.c:1871)
[    5.395920]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    5.396002]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.396078]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.396138]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    5.396212]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.396280]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.396343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.396406]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.396469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.396530]  ___sys_sendmsg (net/socket.c:2752)
[    5.396593]  __sys_sendmsg (net/socket.c:2784)
[    5.396655]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.396717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.396781] RIP: 0033:0x7fa4749e008e
[    5.396842] 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
[    5.396975] RSP: 002b:00007fffe1675800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.397054] RAX: ffffffffffffffda RBX: 00007fffe1675fb0 RCX: 00007fa4749e008e
[    5.397138] RDX: 0000000000000000 RSI: 00007fffe16758b0 RDI: 0000000000000005
[    5.397216] RBP: 00007fffe1675810 R08: 0000000000000000 R09: 0000000000000000
[    5.397294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72b
[    5.397372] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe1675f88
| [    5.397678] ------------[ cut here ]------------
| [    5.397742] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/241
| [    5.397827] Modules linked in:
| [    5.397985] Tainted: [W]=WARN
[    5.398042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.398118] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.398185] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.398311] RSP: 0018:ff6096b0405af870 EFLAGS: 00010286
[    5.398379] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.398453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[    5.398532] RBP: 0000000000000000 R08: ff38f4c9c3333890 R09: ff38f4c9c613b034
[    5.398610] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    5.398687] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd8b00
[    5.398766] FS:  00007fa4747a6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.398844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.398916] CR2: 00000000004eb188 CR3: 0000000006300001 CR4: 0000000000771ef0
[    5.399005] PKRU: 55555554
[    5.399056] Call Trace:
[    5.399114]  <TASK>
[    5.399164]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.399227]  __dev_notify_flags (net/core/dev.c:9787)
[    5.399286]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    5.399348]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    5.399409]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.399478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.399541]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    5.399608]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.399676]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.399739]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.399804]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.399866]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.399928]  ___sys_sendmsg (net/socket.c:2752)
[    5.399996]  __sys_sendmsg (net/socket.c:2784)
[    5.400066]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.400130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.400198] RIP: 0033:0x7fa4749e008e
[    5.400260] 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
[    5.400385] RSP: 002b:00007fffe1675800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.400466] RAX: ffffffffffffffda RBX: 00007fffe1675fb0 RCX: 00007fa4749e008e
[    5.400545] RDX: 0000000000000000 RSI: 00007fffe16758b0 RDI: 0000000000000005
[    5.400625] RBP: 00007fffe1675810 R08: 0000000000000000 R09: 0000000000000000
[    5.400706] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72b
[    5.400789] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe1675f88
| [    5.432458] ------------[ cut here ]------------
| [    5.432504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/250
| [    5.432555] Modules linked in:
| [    5.432640] Tainted: [W]=WARN
[    5.432658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.432691] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.432722] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.432815] RSP: 0018:ff6096b0405f7720 EFLAGS: 00010286
[    5.432843] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.432884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    5.432919] RBP: 0000000000000000 R08: ff38f4c9c3333890 R09: ff38f4c9c6146034
[    5.432954] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    5.432999] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c1df6a00
[    5.433040] FS:  00007fde79478840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    5.433085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.433117] CR2: 0000000012162988 CR3: 0000000006c0c005 CR4: 0000000000771ef0
[    5.433158] PKRU: 55555554
[    5.433172] Call Trace:
[    5.433185]  <TASK>
[    5.433200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.433221]  __dev_notify_flags (net/core/dev.c:9787)
[    5.433241]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    5.433262]  netif_change_flags (net/core/dev.c:9820)
[    5.433284]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    5.433306]  ? __nla_validate_parse (lib/nlattr.c:620)
[    5.433335]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    5.433358]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    5.433379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.433408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.433429]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    5.433451]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.433480]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.433501]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.433522]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.433544]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.433565]  ___sys_sendmsg (net/socket.c:2752)
[    5.433587]  __sys_sendmsg (net/socket.c:2784)
[    5.433608]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.433633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.433662] RIP: 0033:0x7fde796b208e
[    5.433683] 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
[    5.433772] RSP: 002b:00007ffd7ff15a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.433811] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde796b208e
[    5.433855] RDX: 0000000000000000 RSI: 00007ffd7ff15b10 RDI: 0000000000000005
[    5.433892] RBP: 00007ffd7ff15a70 R08: 0000000000000000 R09: 0000000000000000
[    5.433930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72b
[    5.433987] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7ff161e8
| [    5.437053] ------------[ cut here ]------------
| [    5.437118] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/251
| [    5.437206] Modules linked in:
| [    5.437356] Tainted: [W]=WARN
[    5.437416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.437488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.437555] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.437678] RSP: 0018:ff6096b0405ff720 EFLAGS: 00010286
[    5.437746] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.437822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[    5.437899] RBP: 0000000000000000 R08: ff38f4c9c3266510 R09: ff38f4c9c613b034
[    5.437986] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[    5.438071] R13: 0000000000000010 R14: ff38f4c9c1c31000 R15: ff38f4c9c3cd8b00
[    5.438152] FS:  00007f80451e7840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    5.438228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.438300] CR2: 000000003b6c2988 CR3: 0000000006cc7004 CR4: 0000000000771ef0
[    5.438379] PKRU: 55555554
[    5.438429] Call Trace:
[    5.438480]  <TASK>
[    5.438533]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.438595]  __dev_notify_flags (net/core/dev.c:9787)
[    5.438657]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    5.438720]  netif_change_flags (net/core/dev.c:9820)
[    5.438783]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    5.438847]  ? __nla_validate_parse (lib/nlattr.c:620)
[    5.438917]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    5.438982]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    5.439046]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.439124]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.439188]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    5.439251]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.439320]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.439382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.439446]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.439510]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.439572]  ___sys_sendmsg (net/socket.c:2752)
[    5.439635]  __sys_sendmsg (net/socket.c:2784)
[    5.439696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.439760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.439830] RIP: 0033:0x7f804542108e
[    5.439893] 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
[    5.440025] RSP: 002b:00007ffff0ac2e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.440110] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f804542108e
[    5.440190] RDX: 0000000000000000 RSI: 00007ffff0ac2f30 RDI: 0000000000000005
[    5.440269] RBP: 00007ffff0ac2e90 R08: 0000000000000000 R09: 0000000000000000
[    5.440348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72b
[    5.440425] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff0ac3608
| [    5.440655] ------------[ cut here ]------------
| [    5.440682] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 2/106
| [    5.440737] Modules linked in:
| [    5.440813] Tainted: [W]=WARN
[    5.440836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.440870] Workqueue: events_unbound linkwatch_event
[    5.440897] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.440920] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.441019] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[    5.441046] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    5.441094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    5.441134] RBP: 0000000000000000 R08: ff38f4c9c3333890 R09: ff38f4c9c6146034
[    5.441170] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    5.441208] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c1df6a00
[    5.441248] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    5.441287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.441321] CR2: 00007fde79545574 CR3: 000000002d847006 CR4: 0000000000771ef0
[    5.441366] PKRU: 55555554
[    5.441381] Call Trace:
[    5.441395]  <TASK>
[    5.441411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.441435]  netif_state_change (net/core/dev.c:1605)
[    5.441456]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    5.441481]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    5.441506]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    5.441529]  process_one_work (kernel/workqueue.c:3314)
[    5.441550]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.441573]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.441594]  kthread (kernel/kthread.c:436)
[    5.441615]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.441638]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.441665]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.441686]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.344054] ------------[ cut here ]------------
| [    6.344162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/39
| [    6.344232] Modules linked in:
| [    6.344315] Tainted: [W]=WARN
[    6.344336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.344365] Workqueue: events_unbound linkwatch_event
[    6.344399] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.344425] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.344522] RSP: 0018:ff6096b040163d50 EFLAGS: 00010286
[    6.344551] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    6.344600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    6.344642] RBP: 0000000000000000 R08: ff38f4c9c3266510 R09: ff38f4c9c6146034
[    6.344687] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[    6.344727] R13: 0000000000000010 R14: ff38f4c9c1c31000 R15: ff38f4c9c1df6a00
[    6.344773] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    6.344819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.344854] CR2: 00007f688b2ea808 CR3: 000000002d847006 CR4: 0000000000771ef0
[    6.344900] PKRU: 55555554
[    6.344915] Call Trace:
[    6.344931]  <TASK>
[    6.344948]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.344973]  netif_state_change (net/core/dev.c:1605)
[    6.344999]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    6.345020]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    6.345048]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    6.345069]  process_one_work (kernel/workqueue.c:3314)
[    6.345092]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.345116]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.345134]  kthread (kernel/kthread.c:436)
[    6.345156]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.345179]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.345206]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.345227]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.356230] ------------[ cut here ]------------
| [    8.356318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.356389] Modules linked in:
| [    8.356477] Tainted: [W]=WARN
[    8.356503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.356539] Workqueue: netns cleanup_net
[    8.356564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.356597] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.356702] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.356731] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.356778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.356824] RBP: 0000000000000000 R08: ff38f4c9c32c6e90 R09: ff38f4c9c60aa830
[    8.356870] R10: ff38f4c9c6140120 R11: fefefefefefefeff R12: 0000000000000000
[    8.356912] R13: 0000000000000011 R14: ff38f4c9c6140000 R15: ff38f4c9c3cd4e00
[    8.356956] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.357008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.357044] CR2: 00007f624dfe8000 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    8.357092] PKRU: 55555554
[    8.357111] Call Trace:
[    8.357132]  <TASK>
[    8.357152]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.357188]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.357214]  cleanup_net (net/core/net_namespace.c:702)
[    8.357240]  process_one_work (kernel/workqueue.c:3314)
[    8.357269]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.357291]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.357313]  kthread (kernel/kthread.c:436)
[    8.357342]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.357370]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.357397]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.357421]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.357561] ------------[ cut here ]------------
| [    8.357591] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.357650] Modules linked in:
| [    8.357730] Tainted: [W]=WARN
[    8.357751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.357786] Workqueue: netns cleanup_net
[    8.357808] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.357836] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.357945] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.357989] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.358039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.358085] RBP: 0000000000000000 R08: ff38f4c9c32c6e10 R09: ff38f4c9c3c23030
[    8.358135] R10: ff38f4c9c3e31120 R11: fefefefefefefeff R12: 0000000000000000
[    8.358181] R13: 0000000000000011 R14: ff38f4c9c3e31000 R15: ff38f4c9c3cd4e00
[    8.358231] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.358278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.358312] CR2: 00007f624dfe8000 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    8.358359] PKRU: 55555554
[    8.358377] Call Trace:
[    8.358390]  <TASK>
[    8.358405]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.358438]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.358462]  cleanup_net (net/core/net_namespace.c:702)
[    8.358485]  process_one_work (kernel/workqueue.c:3314)
[    8.358508]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.358528]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.358550]  kthread (kernel/kthread.c:436)
[    8.358572]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.358600]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.358626]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.358654]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.358767] ------------[ cut here ]------------
| [    8.358796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.358846] Modules linked in:
| [    8.358925] Tainted: [W]=WARN
[    8.358949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.358987] Workqueue: netns cleanup_net
[    8.359010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.359038] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.359199] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.359229] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.359269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.359315] RBP: 0000000000000000 R08: ff38f4c9c32c6c10 R09: ff38f4c9c612f034
[    8.359358] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[    8.359403] R13: 0000000000000011 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd4e00
[    8.359445] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.359488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.359524] CR2: 00007f624dfe8000 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    8.359568] PKRU: 55555554
[    8.359583] Call Trace:
[    8.359598]  <TASK>
[    8.359614]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.359641]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.359671]  cleanup_net (net/core/net_namespace.c:702)
[    8.359696]  process_one_work (kernel/workqueue.c:3314)
[    8.359714]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.359738]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.359760]  kthread (kernel/kthread.c:436)
[    8.359780]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.359804]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.359825]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.359846]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.359950] ------------[ cut here ]------------
| [    8.359986] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.360051] Modules linked in:
| [    8.360136] Tainted: [W]=WARN
[    8.360157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.360194] Workqueue: netns cleanup_net
[    8.360218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.360250] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.360355] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.360383] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.360433] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.360474] RBP: 0000000000000000 R08: ff38f4c9c32c6b50 R09: ff38f4c9c612c030
[    8.360519] R10: ff38f4c9c6143120 R11: fefefefefefefeff R12: 0000000000000000
[    8.360560] R13: 0000000000000011 R14: ff38f4c9c6143000 R15: ff38f4c9c3cd4e00
[    8.360603] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.360649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.360686] CR2: 00007f624dfe8000 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    8.360733] PKRU: 55555554
[    8.360747] Call Trace:
[    8.360762]  <TASK>
[    8.360782]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.360813]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.360836]  cleanup_net (net/core/net_namespace.c:702)
[    8.360857]  process_one_work (kernel/workqueue.c:3314)
[    8.360880]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.360902]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.360927]  kthread (kernel/kthread.c:436)
[    8.360950]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.360973]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.360997]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.361019]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.361133] ------------[ cut here ]------------
| [    8.361166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.361225] Modules linked in:
| [    8.361308] Tainted: [W]=WARN
[    8.361328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.361365] Workqueue: netns cleanup_net
[    8.361386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.361421] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.361518] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.361550] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.361591] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.361639] RBP: 0000000000000000 R08: ff38f4c9c32c6ad0 R09: ff38f4c9c6130030
[    8.361683] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[    8.361727] R13: 0000000000000011 R14: ff38f4c9c3e40000 R15: ff38f4c9c3cd4e00
[    8.361773] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.361817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.361853] CR2: 00007f624dfe8000 CR3: 0000000003d79002 CR4: 0000000000771ef0
[    8.361903] PKRU: 55555554
[    8.361918] Call Trace:
[    8.361932]  <TASK>
[    8.361947]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.361985]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.362012]  cleanup_net (net/core/net_namespace.c:702)
[    8.362040]  process_one_work (kernel/workqueue.c:3314)
[    8.362062]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.362090]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.362115]  kthread (kernel/kthread.c:436)
[    8.362138]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.362162]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.362185]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.362210]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.367028] ------------[ cut here ]------------
| [    8.367075] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.367150] Modules linked in:
| [    8.367245] Tainted: [W]=WARN
[    8.367266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.367301] Workqueue: netns cleanup_net
[    8.367326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.367360] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.367462] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    8.367497] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.367548] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.367590] RBP: 0000000000000000 R08: ff38f4c9c3266510 R09: ff38f4c9c3e40034
[    8.367632] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[    8.367678] R13: 0000000000000010 R14: ff38f4c9c1c31000 R15: ff38f4c9c3cd4e00
[    8.367722] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.367765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.367805] CR2: 000055b8f2f792b8 CR3: 0000000003c4f001 CR4: 0000000000771ef0
[    8.367849] PKRU: 55555554
[    8.367862] Call Trace:
[    8.367876]  <TASK>
[    8.367890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.367916]  netif_close_many (net/core/dev.c:1804)
[    8.367943]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.367974]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.368002]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.368033]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.368054]  cleanup_net (net/core/net_namespace.c:702)
[    8.368079]  process_one_work (kernel/workqueue.c:3314)
[    8.368104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.368125]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.368151]  kthread (kernel/kthread.c:436)
[    8.368180]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.368205]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.368232]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.368252]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.368345] ------------[ cut here ]------------
| [    8.368374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.368433] Modules linked in:
| [    8.368513] Tainted: [W]=WARN
[    8.368535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.368570] Workqueue: netns cleanup_net
[    8.368591] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.368619] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.368720] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    8.368751] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.368794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.368833] RBP: 0000000000000000 R08: ff38f4c9c3333890 R09: ff38f4c9c3e40034
[    8.368874] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    8.368918] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4e00
[    8.368968] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.369011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.369047] CR2: 000055b8f2f792b8 CR3: 0000000003c4f001 CR4: 0000000000771ef0
[    8.369101] PKRU: 55555554
[    8.369119] Call Trace:
[    8.369131]  <TASK>
[    8.369150]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.369176]  netif_close_many (net/core/dev.c:1804)
[    8.369196]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.369225]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.369255]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.369282]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.369305]  cleanup_net (net/core/net_namespace.c:702)
[    8.369331]  process_one_work (kernel/workqueue.c:3314)
[    8.369357]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.369379]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.369403]  kthread (kernel/kthread.c:436)
[    8.369424]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.369449]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.369476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.369503]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.369580] ------------[ cut here ]------------
| [    8.369608] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.369662] Modules linked in:
| [    8.369735] Tainted: [W]=WARN
[    8.369755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.369789] Workqueue: netns cleanup_net
[    8.369809] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.369838] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.369950] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    8.369985] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.370031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.370161] RBP: 0000000000000000 R08: ff38f4c9c32c6a50 R09: ff38f4c9c3e4002c
[    8.370210] R10: ff38f4c9c3e35120 R11: fefefefefefefeff R12: 0000000000000000
[    8.370253] R13: 0000000000000010 R14: ff38f4c9c3e35000 R15: ff38f4c9c3cd4e00
[    8.370299] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.370345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.370379] CR2: 000055b8f2f792b8 CR3: 0000000003c4f001 CR4: 0000000000771ef0
[    8.370422] PKRU: 55555554
[    8.370437] Call Trace:
[    8.370450]  <TASK>
[    8.370468]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.370490]  netif_close_many (net/core/dev.c:1804)
[    8.370516]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.370545]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.370576]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.370609]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.370638]  cleanup_net (net/core/net_namespace.c:702)
[    8.370669]  process_one_work (kernel/workqueue.c:3314)
[    8.370688]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.370716]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.370736]  kthread (kernel/kthread.c:436)
[    8.370757]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.370783]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.370809]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.370830]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.370991] ------------[ cut here ]------------
| [    8.371023] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.371088] Modules linked in:
| [    8.371168] Tainted: [W]=WARN
[    8.371198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.371241] Workqueue: netns cleanup_net
[    8.371266] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.371303] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.371407] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    8.371439] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.371485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.371527] RBP: 0000000000000000 R08: ff38f4c9c3266510 R09: ff38f4c9c60a9034
[    8.371572] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[    8.371614] R13: 0000000000000011 R14: ff38f4c9c1c31000 R15: ff38f4c9c3cd4e00
[    8.371659] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.371701] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.371738] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.371781] PKRU: 55555554
[    8.371796] Call Trace:
[    8.371808]  <TASK>
[    8.371824]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.371862]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.371893]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.371919]  cleanup_net (net/core/net_namespace.c:702)
[    8.371944]  process_one_work (kernel/workqueue.c:3314)
[    8.371979]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.372003]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.372023]  kthread (kernel/kthread.c:436)
[    8.372049]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.372074]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.372097]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.372122]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.372271] ------------[ cut here ]------------
| [    8.372304] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.372368] Modules linked in:
| [    8.372457] Tainted: [W]=WARN
[    8.372477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.372512] Workqueue: netns cleanup_net
[    8.372538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.372569] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.372668] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    8.372694] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.372734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.372777] RBP: 0000000000000000 R08: ff38f4c9c3333890 R09: ff38f4c9c6135034
[    8.372821] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[    8.372866] R13: 0000000000000011 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4e00
[    8.372910] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.372951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.372995] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.373039] PKRU: 55555554
[    8.373053] Call Trace:
[    8.373073]  <TASK>
[    8.373091]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.373121]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.373149]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.373172]  cleanup_net (net/core/net_namespace.c:702)
[    8.373194]  process_one_work (kernel/workqueue.c:3314)
[    8.373219]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.373242]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.373269]  kthread (kernel/kthread.c:436)
[    8.373292]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.373320]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.373344]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.373369]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.373492] ------------[ cut here ]------------
| [    8.373520] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.373573] Modules linked in:
| [    8.373658] Tainted: [W]=WARN
[    8.373678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.373713] Workqueue: netns cleanup_net
[    8.373738] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.373764] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.373855] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    8.373887] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.373926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.373969] RBP: 0000000000000000 R08: ff38f4c9c32c6a50 R09: ff38f4c9c612c82c
[    8.374010] R10: ff38f4c9c3e35120 R11: fefefefefefefeff R12: 0000000000000000
[    8.374048] R13: 0000000000000011 R14: ff38f4c9c3e35000 R15: ff38f4c9c3cd4e00
[    8.374096] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.374140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.374172] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.374213] PKRU: 55555554
[    8.374229] Call Trace:
[    8.374244]  <TASK>
[    8.374258]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.374282]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.374313]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.374338]  cleanup_net (net/core/net_namespace.c:702)
[    8.374361]  process_one_work (kernel/workqueue.c:3314)
[    8.374383]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.374406]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.374430]  kthread (kernel/kthread.c:436)
[    8.374452]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.374475]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.374498]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.374522]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.385427] ------------[ cut here ]------------
| [    8.385469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/267
| [    8.385524] Modules linked in:
| [    8.385603] Tainted: [W]=WARN
[    8.385626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.385664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.385693] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.385796] RSP: 0018:ff6096b04066fcb8 EFLAGS: 00010286
[    8.385829] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.385871] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    8.385916] RBP: 0000000000000000 R08: ff38f4c9c3390c50 R09: ff38f4c9c3e4402c
[    8.385956] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[    8.386002] R13: 0000000000000010 R14: ff38f4c9c6142000 R15: ff38f4c9c1df6a00
[    8.386051] FS:  00007f9ade69e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.386100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.386138] CR2: 00007f9ade89fc20 CR3: 0000000006cfb003 CR4: 0000000000771ef0
[    8.386180] PKRU: 55555554
[    8.386195] Call Trace:
[    8.386209]  <TASK>
[    8.386225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.386249]  register_netdevice (net/core/dev.c:11488)
[    8.386271]  register_netdev (net/core/dev.c:11552)
[    8.386296]  loopback_net_init (drivers/net/loopback.c:218)
[    8.386325]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    8.386359]  ops_init (net/core/net_namespace.c:137)
[    8.386381]  setup_net (net/core/net_namespace.c:446)
[    8.386404]  copy_net_ns (net/core/net_namespace.c:579)
[    8.386426]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.386450]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.386478]  ksys_unshare (kernel/fork.c:3243)
[    8.386503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.386526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.386549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.386579] RIP: 0033:0x7f9ade960bcb
[    8.386602] 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
[    8.386699] RSP: 002b:00007ffe1909af28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.386733] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9ade960bcb
[    8.386770] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.386811] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.386854] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1909d150
[    8.386901] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe1909e8a1
| [    8.387026] ------------[ cut here ]------------
| [    8.387055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/267
| [    8.387111] Modules linked in:
| [    8.387191] Tainted: [W]=WARN
[    8.387213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.387246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.387274] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.387379] RSP: 0018:ff6096b04066fc10 EFLAGS: 00010286
[    8.387407] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.387447] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c183ef00
[    8.387489] RBP: 0000000000000000 R08: ff38f4c9c3e03950 R09: ff38f4c9c13d4830
[    8.387529] R10: ff38f4c9c3e44120 R11: fefefefefefefeff R12: 0000000000000000
[    8.387573] R13: 0000000000000010 R14: ff38f4c9c3e44000 R15: ff38f4c9c183ef00
[    8.387619] FS:  00007f9ade69e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.387666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.387706] CR2: 00007f9ade89fc20 CR3: 0000000006cfb003 CR4: 0000000000771ef0
[    8.387751] PKRU: 55555554
[    8.387767] Call Trace:
[    8.387780]  <TASK>
[    8.387796]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.387817]  register_netdevice (net/core/dev.c:11488)
[    8.387836]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.387860]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.387883]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    8.387906]  ops_init (net/core/net_namespace.c:137)
[    8.387927]  setup_net (net/core/net_namespace.c:446)
[    8.387947]  copy_net_ns (net/core/net_namespace.c:579)
[    8.387976]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.388004]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.388035]  ksys_unshare (kernel/fork.c:3243)
[    8.388057]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.388084]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.388109]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.388136] RIP: 0033:0x7f9ade960bcb
[    8.388158] 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
[    8.388254] RSP: 002b:00007ffe1909af28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.388293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9ade960bcb
[    8.388336] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.388379] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.388422] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1909d150
[    8.388465] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe1909e8a1
| [    8.388572] ------------[ cut here ]------------
| [    8.388598] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/267
| [    8.388647] Modules linked in:
| [    8.388728] Tainted: [W]=WARN
[    8.388749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.388787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.388814] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.388911] RSP: 0018:ff6096b04066fbf0 EFLAGS: 00010286
[    8.388940] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.388984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df1e00
[    8.389027] RBP: 0000000000000000 R08: ff38f4c9c3316010 R09: ff38f4c9c6136030
[    8.389082] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[    8.389116] R13: 0000000000000010 R14: ff38f4c9c1c31000 R15: ff38f4c9c1df1e00
[    8.389158] FS:  00007f9ade69e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.389205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.389239] CR2: 00007f9ade89fc20 CR3: 0000000006cfb003 CR4: 0000000000771ef0
[    8.389282] PKRU: 55555554
[    8.389294] Call Trace:
[    8.389305]  <TASK>
[    8.389321]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.389343]  register_netdevice (net/core/dev.c:11488)
[    8.389362]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.389381]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.389407]  vti_init_net (net/ipv4/ip_vti.c:517)
[    8.389430]  ops_init (net/core/net_namespace.c:137)
[    8.389452]  setup_net (net/core/net_namespace.c:446)
[    8.389475]  copy_net_ns (net/core/net_namespace.c:579)
[    8.389497]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.389523]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.389552]  ksys_unshare (kernel/fork.c:3243)
[    8.389573]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.389597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.389624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.389655] RIP: 0033:0x7f9ade960bcb
[    8.389675] 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
[    8.389776] RSP: 002b:00007ffe1909af28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.389819] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9ade960bcb
[    8.389859] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.389898] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.389937] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1909d150
[    8.389980] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe1909e8a1
| [    8.390119] ------------[ cut here ]------------
| [    8.390146] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/267
| [    8.390201] Modules linked in:
| [    8.390283] Tainted: [W]=WARN
[    8.390305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.390339] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.390369] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.390467] RSP: 0018:ff6096b04066fca8 EFLAGS: 00010286
[    8.390499] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.390539] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4800
[    8.390579] RBP: 0000000000000000 R08: ff38f4c9c3316050 R09: ff38f4c9c3e46034
[    8.390618] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[    8.390658] R13: 0000000000000010 R14: ff38f4c9c1c30000 R15: ff38f4c9c3cd4800
[    8.390699] FS:  00007f9ade69e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.390742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.390778] CR2: 00007f9ade89fc20 CR3: 0000000006cfb003 CR4: 0000000000771ef0
[    8.390821] PKRU: 55555554
[    8.390835] Call Trace:
[    8.390849]  <TASK>
[    8.390863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.390884]  register_netdevice (net/core/dev.c:11488)
[    8.390906]  register_netdev (net/core/dev.c:11552)
[    8.390928]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    8.390953]  ops_init (net/core/net_namespace.c:137)
[    8.390979]  setup_net (net/core/net_namespace.c:446)
[    8.391003]  copy_net_ns (net/core/net_namespace.c:579)
[    8.391023]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.391051]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.391085]  ksys_unshare (kernel/fork.c:3243)
[    8.391107]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.391127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.391151]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.391179] RIP: 0033:0x7f9ade960bcb
[    8.391198] 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
[    8.391294] RSP: 002b:00007ffe1909af28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.391338] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9ade960bcb
[    8.391379] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.391419] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.391460] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1909d150
[    8.391505] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe1909e8a1
| [    8.391621] ------------[ cut here ]------------
| [    8.391653] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/267
| [    8.391702] Modules linked in:
| [    8.391780] Tainted: [W]=WARN
[    8.391799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.391834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.391861] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.391955] RSP: 0018:ff6096b04066fca0 EFLAGS: 00010286
[    8.391992] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.392033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[    8.392081] RBP: 0000000000000000 R08: ff38f4c9c32fef90 R09: ff38f4c9c6143030
[    8.392128] R10: ff38f4c9c3e46120 R11: fefefefefefefeff R12: 0000000000000000
[    8.392170] R13: 0000000000000010 R14: ff38f4c9c3e46000 R15: ff38f4c9c3cd4c00
[    8.392216] FS:  00007f9ade69e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.392260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.392297] CR2: 00007f9ade89fc20 CR3: 0000000006cfb003 CR4: 0000000000771ef0
[    8.392340] PKRU: 55555554
[    8.392352] Call Trace:
[    8.392367]  <TASK>
[    8.392381]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.392404]  register_netdevice (net/core/dev.c:11488)
[    8.392427]  register_netdev (net/core/dev.c:11552)
[    8.392445]  sit_init_net (net/ipv6/sit.c:1860)
[    8.392464]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    8.392484]  ops_init (net/core/net_namespace.c:137)
[    8.392507]  setup_net (net/core/net_namespace.c:446)
[    8.392534]  copy_net_ns (net/core/net_namespace.c:579)
[    8.392555]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.392582]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.392612]  ksys_unshare (kernel/fork.c:3243)
[    8.392634]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.392655]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.392675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.392704] RIP: 0033:0x7f9ade960bcb
[    8.392724] 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
[    8.392818] RSP: 002b:00007ffe1909af28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.392865] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9ade960bcb
[    8.392906] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.392947] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.392990] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1909d150
[    8.393035] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe1909e8a1
| [    8.393193] ------------[ cut here ]------------
| [    8.393225] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/267
| [    8.393278] Modules linked in:
| [    8.393361] Tainted: [W]=WARN
[    8.393382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.393417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.393447] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.393546] RSP: 0018:ff6096b04066fca8 EFLAGS: 00010286
[    8.393572] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.393613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b800
[    8.393654] RBP: 0000000000000000 R08: ff38f4c9c3384ad0 R09: ff38f4c9c6140030
[    8.393692] R10: ff38f4c9c6143120 R11: fefefefefefefeff R12: 0000000000000000
[    8.393728] R13: 0000000000000010 R14: ff38f4c9c6143000 R15: ff38f4c9c189b800
[    8.393771] FS:  00007f9ade69e840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.393814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.393849] CR2: 00007f9ade89fc20 CR3: 0000000006cfb003 CR4: 0000000000771ef0
[    8.393890] PKRU: 55555554
[    8.393906] Call Trace:
[    8.393921]  <TASK>
[    8.393934]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.393956]  register_netdevice (net/core/dev.c:11488)
[    8.393979]  register_netdev (net/core/dev.c:11552)
[    8.394002]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    8.394025]  ops_init (net/core/net_namespace.c:137)
[    8.394046]  setup_net (net/core/net_namespace.c:446)
[    8.394064]  copy_net_ns (net/core/net_namespace.c:579)
[    8.394088]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.394121]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.394150]  ksys_unshare (kernel/fork.c:3243)
[    8.394170]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.394190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.394212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.394238] RIP: 0033:0x7f9ade960bcb
[    8.394259] 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
[    8.394351] RSP: 002b:00007ffe1909af28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.394396] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9ade960bcb
[    8.394440] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.394481] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.394522] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1909d150
[    8.394561] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe1909e8a1
| [    8.397777] ------------[ cut here ]------------
| [    8.397848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/268
| [    8.397935] Modules linked in:
| [    8.398100] Tainted: [W]=WARN
[    8.398155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.398223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.398286] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.398417] RSP: 0018:ff6096b040677720 EFLAGS: 00010286
[    8.398487] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    8.398569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b200
[    8.398649] RBP: 0000000000000000 R08: ff38f4c9c3390c50 R09: ff38f4c9c613b02c
[    8.398725] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[    8.398803] R13: 0000000000000010 R14: ff38f4c9c6142000 R15: ff38f4c9c189b200
[    8.398884] FS:  00007f755c511840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    8.398970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.399039] CR2: 00007f755c7e11a0 CR3: 0000000006d8b006 CR4: 0000000000771ef0
[    8.399126] PKRU: 55555554
[    8.399174] Call Trace:
[    8.399223]  <TASK>
[    8.399272]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.399329]  __dev_notify_flags (net/core/dev.c:9787)
[    8.399391]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    8.399454]  netif_change_flags (net/core/dev.c:9820)
[    8.399518]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.399578]  ? __nla_validate_parse (lib/nlattr.c:620)
[    8.399645]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    8.399704]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    8.399763]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.399835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.399893]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    8.399951]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.400021]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.400087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.400145]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.400204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.400263]  ___sys_sendmsg (net/socket.c:2752)
[    8.400323]  __sys_sendmsg (net/socket.c:2784)
[    8.400381]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.400439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.400503] RIP: 0033:0x7f755c74b08e
[    8.400560] 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
[    8.400691] RSP: 002b:00007ffd18b0cb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.400770] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f755c74b08e
[    8.400845] RDX: 0000000000000000 RSI: 00007ffd18b0cbd0 RDI: 0000000000000005
[    8.400921] RBP: 00007ffd18b0cb30 R08: 0000000000000000 R09: 0000000000000000
[    8.401010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72e
[    8.401097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd18b0d2a0
| [    8.403005] ------------[ cut here ]------------
| [    8.403035] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.403098] Modules linked in:
| [    8.403176] Tainted: [W]=WARN
[    8.403196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.403231] Workqueue: netns cleanup_net
[    8.403255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.403284] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.403380] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.403406] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.403450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.403496] RBP: 0000000000000000 R08: ff38f4c9c32db9d0 R09: ff38f4c9c31f2030
[    8.403531] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    8.403574] R13: 0000000000000011 R14: ff38f4c9c613d000 R15: ff38f4c9c3cd4e00
[    8.403617] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.403666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.403707] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.403752] PKRU: 55555554
[    8.403765] Call Trace:
[    8.403777]  <TASK>
[    8.403790]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.403818]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.403839]  cleanup_net (net/core/net_namespace.c:702)
[    8.403861]  process_one_work (kernel/workqueue.c:3314)
[    8.403882]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.403905]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.403927]  kthread (kernel/kthread.c:436)
[    8.403952]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.403975]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.403994]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.404013]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.404122] ------------[ cut here ]------------
| [    8.404152] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.404209] Modules linked in:
| [    8.404279] Tainted: [W]=WARN
[    8.404301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.404334] Workqueue: netns cleanup_net
[    8.404353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.404387] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.404476] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.404501] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.404544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.404587] RBP: 0000000000000000 R08: ff38f4c9c32a1010 R09: ff38f4c9c3059030
[    8.404627] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[    8.404674] R13: 0000000000000011 R14: ff38f4c9c31c4000 R15: ff38f4c9c3cd4e00
[    8.404720] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.404765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.404797] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.404840] PKRU: 55555554
[    8.404855] Call Trace:
[    8.404868]  <TASK>
[    8.404881]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.404910]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.404937]  cleanup_net (net/core/net_namespace.c:702)
[    8.404966]  process_one_work (kernel/workqueue.c:3314)
[    8.404989]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.405011]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.405032]  kthread (kernel/kthread.c:436)
[    8.405057]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.405083]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.405107]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.405130]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.405229] ------------[ cut here ]------------
| [    8.405254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.405310] Modules linked in:
| [    8.405389] Tainted: [W]=WARN
[    8.405412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.405444] Workqueue: netns cleanup_net
[    8.405467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.405494] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.405587] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.405616] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.405656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.405699] RBP: 0000000000000000 R08: ff38f4c9c3296f50 R09: ff38f4c9c60a7034
[    8.405742] R10: ff38f4c9c61a0120 R11: fefefefefefefeff R12: 0000000000000000
[    8.405783] R13: 0000000000000011 R14: ff38f4c9c61a0000 R15: ff38f4c9c3cd4e00
[    8.405824] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.405870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.405902] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.405950] PKRU: 55555554
[    8.405966] Call Trace:
[    8.405981]  <TASK>
[    8.405995]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.406028]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.406051]  cleanup_net (net/core/net_namespace.c:702)
[    8.406078]  process_one_work (kernel/workqueue.c:3314)
[    8.406102]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.406127]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.406149]  kthread (kernel/kthread.c:436)
[    8.406171]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.406194]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.406215]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.406233]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.406330] ------------[ cut here ]------------
| [    8.406355] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.406402] Modules linked in:
| [    8.406477] Tainted: [W]=WARN
[    8.406504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.406541] Workqueue: netns cleanup_net
[    8.406565] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.406589] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.406689] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.406715] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.406754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.406794] RBP: 0000000000000000 R08: ff38f4c9c32db710 R09: ff38f4c9c60a1830
[    8.406837] R10: ff38f4c9c61a3120 R11: fefefefefefefeff R12: 0000000000000000
[    8.406873] R13: 0000000000000011 R14: ff38f4c9c61a3000 R15: ff38f4c9c3cd4e00
[    8.406912] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.406965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.407009] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.407051] PKRU: 55555554
[    8.407064] Call Trace:
[    8.407081]  <TASK>
[    8.407098]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.407131]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.407153]  cleanup_net (net/core/net_namespace.c:702)
[    8.407177]  process_one_work (kernel/workqueue.c:3314)
[    8.407197]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.407216]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.407233]  kthread (kernel/kthread.c:436)
[    8.407251]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.407274]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.407295]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.407316]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.407417] ------------[ cut here ]------------
| [    8.407441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.407497] Modules linked in:
| [    8.407572] Tainted: [W]=WARN
[    8.407599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.407637] Workqueue: netns cleanup_net
[    8.407660] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.407692] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.407784] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[    8.407812] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.407850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.407889] RBP: 0000000000000000 R08: ff38f4c9c324cbd0 R09: ff38f4c9c6090830
[    8.407932] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[    8.407976] R13: 0000000000000011 R14: ff38f4c9c609e000 R15: ff38f4c9c3cd4e00
[    8.408023] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.408064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.408100] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.408143] PKRU: 55555554
[    8.408157] Call Trace:
[    8.408172]  <TASK>
[    8.408186]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.408217]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.408240]  cleanup_net (net/core/net_namespace.c:702)
[    8.408263]  process_one_work (kernel/workqueue.c:3314)
[    8.408282]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.408302]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.408322]  kthread (kernel/kthread.c:436)
[    8.408341]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.408361]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.408384]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.408406]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.411991] ------------[ cut here ]------------
| [    8.412026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.412093] Modules linked in:
| [    8.412168] Tainted: [W]=WARN
[    8.412189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.412226] Workqueue: netns cleanup_net
[    8.412250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.412277] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.412370] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[    8.412399] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.412439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.412484] RBP: 0000000000000000 R08: ff38f4c9c32db350 R09: ff38f4c9c609e02c
[    8.412526] R10: ff38f4c9c609f120 R11: fefefefefefefeff R12: 0000000000000000
[    8.412571] R13: 0000000000000010 R14: ff38f4c9c609f000 R15: ff38f4c9c3cd4e00
[    8.412616] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.412658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.412690] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.412728] PKRU: 55555554
[    8.412741] Call Trace:
[    8.412755]  <TASK>
[    8.412768]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.412788]  netif_close_many (net/core/dev.c:1804)
[    8.412809]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.412837]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[    8.412858]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.412885]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.412904]  cleanup_net (net/core/net_namespace.c:702)
[    8.412927]  process_one_work (kernel/workqueue.c:3314)
[    8.412951]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.412975]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.412996]  kthread (kernel/kthread.c:436)
[    8.413017]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.413037]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.413061]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.413086]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.413212] ------------[ cut here ]------------
| [    8.413243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    8.413300] Modules linked in:
| [    8.413375] Tainted: [W]=WARN
[    8.413396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.413436] Workqueue: netns cleanup_net
[    8.413458] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.413486] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.413588] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[    8.413618] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.413662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.413706] RBP: 0000000000000000 R08: ff38f4c9c32db350 R09: ff38f4c9c31f382c
[    8.413746] R10: ff38f4c9c609f120 R11: fefefefefefefeff R12: 0000000000000000
[    8.413794] R13: 0000000000000011 R14: ff38f4c9c609f000 R15: ff38f4c9c3cd4e00
[    8.413835] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.413881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.413908] CR2: 000055b8f2f792b8 CR3: 000000002d847002 CR4: 0000000000771ef0
[    8.413948] PKRU: 55555554
[    8.413966] Call Trace:
[    8.413984]  <TASK>
[    8.413997]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.414028]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.414057]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.414082]  cleanup_net (net/core/net_namespace.c:702)
[    8.414105]  process_one_work (kernel/workqueue.c:3314)
[    8.414126]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.414145]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.414165]  kthread (kernel/kthread.c:436)
[    8.414185]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.414206]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.414228]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.414248]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.428679] ------------[ cut here ]------------
| [    8.428719] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/276
| [    8.428770] Modules linked in:
| [    8.428852] Tainted: [W]=WARN
[    8.428875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.428912] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.428940] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.429053] RSP: 0018:ff6096b04028bcb8 EFLAGS: 00010286
[    8.429087] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.429131] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189a600
[    8.429169] RBP: 0000000000000000 R08: ff38f4c9c32c69d0 R09: ff38f4c9c31c402c
[    8.429213] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[    8.429256] R13: 0000000000000010 R14: ff38f4c9c609e000 R15: ff38f4c9c189a600
[    8.429295] FS:  00007f969e1c9840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.429343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.429380] CR2: 00007f969e3cac20 CR3: 0000000006e15004 CR4: 0000000000771ef0
[    8.429423] PKRU: 55555554
[    8.429437] Call Trace:
[    8.429453]  <TASK>
[    8.429469]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.429487]  register_netdevice (net/core/dev.c:11488)
[    8.429512]  register_netdev (net/core/dev.c:11552)
[    8.429532]  loopback_net_init (drivers/net/loopback.c:218)
[    8.429555]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    8.429586]  ops_init (net/core/net_namespace.c:137)
[    8.429608]  setup_net (net/core/net_namespace.c:446)
[    8.429630]  copy_net_ns (net/core/net_namespace.c:579)
[    8.429651]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.429686]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.429716]  ksys_unshare (kernel/fork.c:3243)
[    8.429737]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.429762]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.429787]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.429818] RIP: 0033:0x7f969e48bbcb
[    8.429839] 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
[    8.429941] RSP: 002b:00007fffac031f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.429991] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f969e48bbcb
[    8.430037] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.430082] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.430123] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffac0341b0
[    8.430166] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffac03489f
| [    8.430283] ------------[ cut here ]------------
| [    8.430311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/276
| [    8.430362] Modules linked in:
| [    8.430432] Tainted: [W]=WARN
[    8.430453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.430486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.430517] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.430621] RSP: 0018:ff6096b04028bc10 EFLAGS: 00010286
[    8.430651] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.430686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[    8.430728] RBP: 0000000000000000 R08: ff38f4c9c32c6b50 R09: ff38f4c9c3e3b830
[    8.430770] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[    8.430813] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c1df6a00
[    8.430857] FS:  00007f969e1c9840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.430903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.430936] CR2: 00007f969e3cac20 CR3: 0000000006e15004 CR4: 0000000000771ef0
[    8.430979] PKRU: 55555554
[    8.430992] Call Trace:
[    8.431004]  <TASK>
[    8.431019]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.431040]  register_netdevice (net/core/dev.c:11488)
[    8.431065]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.431094]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.431115]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    8.431140]  ops_init (net/core/net_namespace.c:137)
[    8.431162]  setup_net (net/core/net_namespace.c:446)
[    8.431183]  copy_net_ns (net/core/net_namespace.c:579)
[    8.431204]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.431234]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.431264]  ksys_unshare (kernel/fork.c:3243)
[    8.431283]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.431307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.431330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.431354] RIP: 0033:0x7f969e48bbcb
[    8.431379] 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
[    8.431478] RSP: 002b:00007fffac031f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.431520] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f969e48bbcb
[    8.431569] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.431614] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.431655] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffac0341b0
[    8.431696] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffac03489f
| [    8.431809] ------------[ cut here ]------------
| [    8.431836] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/276
| [    8.431874] Modules linked in:
| [    8.431950] Tainted: [W]=WARN
[    8.431971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.432012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.432040] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.432146] RSP: 0018:ff6096b04028bbf0 EFLAGS: 00010286
[    8.432174] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.432218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c183ef00
[    8.432259] RBP: 0000000000000000 R08: ff38f4c9c32c6cd0 R09: ff38f4c9c1c20830
[    8.432301] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[    8.432348] R13: 0000000000000010 R14: ff38f4c9c613d000 R15: ff38f4c9c183ef00
[    8.432391] FS:  00007f969e1c9840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.432436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.432469] CR2: 00007f969e3cac20 CR3: 0000000006e15004 CR4: 0000000000771ef0
[    8.432506] PKRU: 55555554
[    8.432520] Call Trace:
[    8.432533]  <TASK>
[    8.432547]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.432569]  register_netdevice (net/core/dev.c:11488)
[    8.432594]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.432614]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.432634]  vti_init_net (net/ipv4/ip_vti.c:517)
[    8.432657]  ops_init (net/core/net_namespace.c:137)
[    8.432679]  setup_net (net/core/net_namespace.c:446)
[    8.432698]  copy_net_ns (net/core/net_namespace.c:579)
[    8.432719]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.432746]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.432773]  ksys_unshare (kernel/fork.c:3243)
[    8.432795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.432816]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.432835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.432864] RIP: 0033:0x7f969e48bbcb
[    8.432883] 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
[    8.432984] RSP: 002b:00007fffac031f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.433026] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f969e48bbcb
[    8.433068] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.433147] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.433188] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffac0341b0
[    8.433233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffac03489f
| [    8.433348] ------------[ cut here ]------------
| [    8.433379] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/276
| [    8.433425] Modules linked in:
| [    8.433499] Tainted: [W]=WARN
[    8.433520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.433557] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.433589] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.433687] RSP: 0018:ff6096b04028bca8 EFLAGS: 00010286
[    8.433719] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.433760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189aa00
[    8.433806] RBP: 0000000000000000 R08: ff38f4c9c3384b50 R09: ff38f4c9c613c034
[    8.433849] R10: ff38f4c9c1c33120 R11: fefefefefefefeff R12: 0000000000000000
[    8.433893] R13: 0000000000000010 R14: ff38f4c9c1c33000 R15: ff38f4c9c189aa00
[    8.433938] FS:  00007f969e1c9840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.433985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.434022] CR2: 00007f969e3cac20 CR3: 0000000006e15004 CR4: 0000000000771ef0
[    8.434062] PKRU: 55555554
[    8.434077] Call Trace:
[    8.434088]  <TASK>
[    8.434101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.434126]  register_netdevice (net/core/dev.c:11488)
[    8.434148]  register_netdev (net/core/dev.c:11552)
[    8.434171]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    8.434198]  ops_init (net/core/net_namespace.c:137)
[    8.434218]  setup_net (net/core/net_namespace.c:446)
[    8.434239]  copy_net_ns (net/core/net_namespace.c:579)
[    8.434260]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.434287]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.434315]  ksys_unshare (kernel/fork.c:3243)
[    8.434339]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.434358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.434380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.434407] RIP: 0033:0x7f969e48bbcb
[    8.434427] 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
[    8.434517] RSP: 002b:00007fffac031f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.434557] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f969e48bbcb
[    8.434604] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.434647] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.434692] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffac0341b0
[    8.434733] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffac03489f
| [    8.434851] ------------[ cut here ]------------
| [    8.434877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/276
| [    8.434922] Modules linked in:
| [    8.435008] Tainted: [W]=WARN
[    8.435030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.435064] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.435098] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.435195] RSP: 0018:ff6096b04028bca0 EFLAGS: 00010286
[    8.435227] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.435275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189a400
[    8.435323] RBP: 0000000000000000 R08: ff38f4c9c3378c10 R09: ff38f4c9c609b030
[    8.435363] R10: ff38f4c9c613c120 R11: fefefefefefefeff R12: 0000000000000000
[    8.435407] R13: 0000000000000010 R14: ff38f4c9c613c000 R15: ff38f4c9c189a400
[    8.435450] FS:  00007f969e1c9840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.435496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.435524] CR2: 00007f969e3cac20 CR3: 0000000006e15004 CR4: 0000000000771ef0
[    8.435570] PKRU: 55555554
[    8.435583] Call Trace:
[    8.435596]  <TASK>
[    8.435610]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.435631]  register_netdevice (net/core/dev.c:11488)
[    8.435651]  register_netdev (net/core/dev.c:11552)
[    8.435672]  sit_init_net (net/ipv6/sit.c:1860)
[    8.435693]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    8.435712]  ops_init (net/core/net_namespace.c:137)
[    8.435732]  setup_net (net/core/net_namespace.c:446)
[    8.435753]  copy_net_ns (net/core/net_namespace.c:579)
[    8.435776]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.435803]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.435831]  ksys_unshare (kernel/fork.c:3243)
[    8.435852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.435872]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.435894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.435927] RIP: 0033:0x7f969e48bbcb
[    8.435947] 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
[    8.436043] RSP: 002b:00007fffac031f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.436087] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f969e48bbcb
[    8.436128] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.436168] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.436206] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffac0341b0
[    8.436248] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffac03489f
| [    8.436366] ------------[ cut here ]------------
| [    8.436393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/276
| [    8.436441] Modules linked in:
| [    8.436517] Tainted: [W]=WARN
[    8.436538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.436575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.436603] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.436697] RSP: 0018:ff6096b04028bca8 EFLAGS: 00010286
[    8.436724] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.436763] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[    8.436807] RBP: 0000000000000000 R08: ff38f4c9c32faad0 R09: ff38f4c9c31c2030
[    8.436846] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[    8.436886] R13: 0000000000000010 R14: ff38f4c9c609b000 R15: ff38f4c9c3cd4c00
[    8.436930] FS:  00007f969e1c9840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.436974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.437007] CR2: 00007f969e3cac20 CR3: 0000000006e15004 CR4: 0000000000771ef0
[    8.437053] PKRU: 55555554
[    8.437066] Call Trace:
[    8.437084]  <TASK>
[    8.437096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.437117]  register_netdevice (net/core/dev.c:11488)
[    8.437137]  register_netdev (net/core/dev.c:11552)
[    8.437157]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    8.437180]  ops_init (net/core/net_namespace.c:137)
[    8.437203]  setup_net (net/core/net_namespace.c:446)
[    8.437221]  copy_net_ns (net/core/net_namespace.c:579)
[    8.437242]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.437271]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.437299]  ksys_unshare (kernel/fork.c:3243)
[    8.437323]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.437344]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.437372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.437402] RIP: 0033:0x7f969e48bbcb
[    8.437425] 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
[    8.437515] RSP: 002b:00007fffac031f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.437560] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f969e48bbcb
[    8.437600] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.437644] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.437686] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffac0341b0
[    8.437725] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffac03489f
| [    8.440907] ------------[ cut here ]------------
| [    8.440984] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/277
| [    8.441077] Modules linked in:
| [    8.441224] Tainted: [W]=WARN
[    8.441279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.441348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.441411] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.441539] RSP: 0018:ff6096b04028b720 EFLAGS: 00010286
[    8.441602] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    8.441677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b200
[    8.441752] RBP: 0000000000000000 R08: ff38f4c9c32c69d0 R09: ff38f4c9c613b02c
[    8.441827] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[    8.441906] R13: 0000000000000010 R14: ff38f4c9c609e000 R15: ff38f4c9c189b200
[    8.441992] FS:  00007f5e93352840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    8.442077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.442146] CR2: 00007f5e936221a0 CR3: 0000000003c53004 CR4: 0000000000771ef0
[    8.442223] PKRU: 55555554
[    8.442272] Call Trace:
[    8.442321]  <TASK>
[    8.442370]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.442425]  __dev_notify_flags (net/core/dev.c:9787)
[    8.442483]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    8.442539]  netif_change_flags (net/core/dev.c:9820)
[    8.442596]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.442653]  ? __nla_validate_parse (lib/nlattr.c:620)
[    8.442719]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    8.442778]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    8.442842]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.442906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.442975]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    8.443033]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.443112]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.443170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.443228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.443285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.443345]  ___sys_sendmsg (net/socket.c:2752)
[    8.443404]  __sys_sendmsg (net/socket.c:2784)
[    8.443460]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.443518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.443581] RIP: 0033:0x7f5e9358c08e
[    8.443637] 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
[    8.443764] RSP: 002b:00007fff67102460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.443842] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5e9358c08e
[    8.443917] RDX: 0000000000000000 RSI: 00007fff67102510 RDI: 0000000000000005
[    8.444004] RBP: 00007fff67102470 R08: 0000000000000000 R09: 0000000000000000
[    8.444086] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72e
[    8.444161] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff67102be0
| [    8.455057] ------------[ cut here ]------------
| [    8.455094] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/280
| [    8.455146] Modules linked in:
| [    8.455224] Tainted: [W]=WARN
[    8.455242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.455271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.455300] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.455399] RSP: 0018:ff6096b0406a75f0 EFLAGS: 00010286
[    8.455427] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.455469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b400
[    8.455508] RBP: 0000000000000000 R08: ff38f4c9c3316dd0 R09: ff38f4c9c6141034
[    8.455554] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    8.455599] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c189b400
[    8.455640] FS:  00007fd83697c840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.455686] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.455721] CR2: 00000000004eb188 CR3: 0000000006e19005 CR4: 0000000000771ef0
[    8.455763] PKRU: 55555554
[    8.455776] Call Trace:
[    8.455789]  <TASK>
[    8.455803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.455822]  __dev_notify_flags (net/core/dev.c:9787)
[    8.455845]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.455864]  veth_newlink (drivers/net/veth.c:1871)
[    8.455888]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    8.455915]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.455945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.455968]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    8.455998]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.456030]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.456053]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.456081]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.456103]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.456123]  ___sys_sendmsg (net/socket.c:2752)
[    8.456144]  __sys_sendmsg (net/socket.c:2784)
[    8.456167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.456191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.456217] RIP: 0033:0x7fd836bb608e
[    8.456237] 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
[    8.456339] RSP: 002b:00007ffd15580420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.456386] RAX: ffffffffffffffda RBX: 00007ffd15580bd0 RCX: 00007fd836bb608e
[    8.456424] RDX: 0000000000000000 RSI: 00007ffd155804d0 RDI: 0000000000000005
[    8.456463] RBP: 00007ffd15580430 R08: 0000000000000000 R09: 0000000000000000
[    8.456505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72e
[    8.456543] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15580ba8
| [    8.456718] ------------[ cut here ]------------
| [    8.456748] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/280
| [    8.456795] Modules linked in:
| [    8.456872] Tainted: [W]=WARN
[    8.456893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.456928] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.456953] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.457054] RSP: 0018:ff6096b0406a7870 EFLAGS: 00010286
[    8.457084] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.457127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b400
[    8.457170] RBP: 0000000000000000 R08: ff38f4c9c33334d0 R09: ff38f4c9c31c6034
[    8.457217] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[    8.457255] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c189b400
[    8.457298] FS:  00007fd83697c840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.457341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.457374] CR2: 00000000004eb188 CR3: 0000000006e19005 CR4: 0000000000771ef0
[    8.457415] PKRU: 55555554
[    8.457429] Call Trace:
[    8.457443]  <TASK>
[    8.457458]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.457481]  __dev_notify_flags (net/core/dev.c:9787)
[    8.457503]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.457522]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    8.457543]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.457572]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.457591]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    8.457620]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.457649]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.457670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.457692]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.457714]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.457739]  ___sys_sendmsg (net/socket.c:2752)
[    8.457761]  __sys_sendmsg (net/socket.c:2784)
[    8.457780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.457800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.457828] RIP: 0033:0x7fd836bb608e
[    8.457848] 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
[    8.457948] RSP: 002b:00007ffd15580420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.457992] RAX: ffffffffffffffda RBX: 00007ffd15580bd0 RCX: 00007fd836bb608e
[    8.458034] RDX: 0000000000000000 RSI: 00007ffd155804d0 RDI: 0000000000000005
[    8.458076] RBP: 00007ffd15580430 R08: 0000000000000000 R09: 0000000000000000
[    8.458115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72e
[    8.458156] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd15580ba8
| [    8.489316] ------------[ cut here ]------------
| [    8.489364] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/289
| [    8.489416] Modules linked in:
| [    8.489504] Tainted: [W]=WARN
[    8.489524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.489554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.489582] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.489673] RSP: 0018:ff6096b0406df720 EFLAGS: 00010286
[    8.489703] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    8.489743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b400
[    8.489784] RBP: 0000000000000000 R08: ff38f4c9c33334d0 R09: ff38f4c9c31c6034
[    8.489827] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[    8.489868] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c189b400
[    8.489908] FS:  00007f11fdb70840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[    8.489948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.489988] CR2: 00007f11fde401a0 CR3: 0000000006e0d006 CR4: 0000000000771ef0
[    8.490028] PKRU: 55555554
[    8.490044] Call Trace:
[    8.490062]  <TASK>
[    8.490082]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.490104]  __dev_notify_flags (net/core/dev.c:9787)
[    8.490127]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    8.490147]  netif_change_flags (net/core/dev.c:9820)
[    8.490168]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.490189]  ? __nla_validate_parse (lib/nlattr.c:620)
[    8.490221]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    8.490246]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    8.490268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.490296]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.490317]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    8.490338]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.490367]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.490392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.490420]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.490440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.490461]  ___sys_sendmsg (net/socket.c:2752)
[    8.490482]  __sys_sendmsg (net/socket.c:2784)
[    8.490502]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.490524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.490552] RIP: 0033:0x7f11fddaa08e
[    8.490575] 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
[    8.490666] RSP: 002b:00007fffa37a05f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.490708] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f11fddaa08e
[    8.490755] RDX: 0000000000000000 RSI: 00007fffa37a06a0 RDI: 0000000000000005
[    8.490796] RBP: 00007fffa37a0600 R08: 0000000000000000 R09: 0000000000000000
[    8.490836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72e
[    8.490878] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa37a0d78
| [    8.493959] ------------[ cut here ]------------
| [    8.494047] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/290
| [    8.494134] Modules linked in:
| [    8.494280] Tainted: [W]=WARN
[    8.494341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.494409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.494473] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.494599] RSP: 0018:ff6096b0406df720 EFLAGS: 00010286
[    8.494665] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    8.494739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b200
[    8.494814] RBP: 0000000000000000 R08: ff38f4c9c3316dd0 R09: ff38f4c9c613b034
[    8.494893] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    8.494975] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c189b200
[    8.495057] FS:  00007fb43be5f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[    8.495138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.495206] CR2: 000000001ab62988 CR3: 0000000006dc4004 CR4: 0000000000771ef0
[    8.495285] PKRU: 55555554
[    8.495336] Call Trace:
[    8.495388]  <TASK>
[    8.495439]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.495500]  __dev_notify_flags (net/core/dev.c:9787)
[    8.495560]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    8.495617]  netif_change_flags (net/core/dev.c:9820)
[    8.495673]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.495731]  ? __nla_validate_parse (lib/nlattr.c:620)
[    8.495797]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    8.495854]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    8.495915]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.495991]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.496055]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    8.496121]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.496191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.496247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.496311]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.496371]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.496431]  ___sys_sendmsg (net/socket.c:2752)
[    8.496492]  __sys_sendmsg (net/socket.c:2784)
[    8.496549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.496606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.496669] RIP: 0033:0x7fb43c09908e
[    8.496728] 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
[    8.496856] RSP: 002b:00007fffd113de90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.496937] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb43c09908e
[    8.497023] RDX: 0000000000000000 RSI: 00007fffd113df40 RDI: 0000000000000005
[    8.497102] RBP: 00007fffd113dea0 R08: 0000000000000000 R09: 0000000000000000
[    8.497173] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e72e
[    8.497250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd113e618
| [    8.497486] ------------[ cut here ]------------
| [    8.497518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 2/106
| [    8.497579] Modules linked in:
| [    8.497661] Tainted: [W]=WARN
[    8.497681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.497723] Workqueue: events_unbound linkwatch_event
[    8.497752] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.497780] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.497870] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[    8.497896] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    8.497938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    8.497986] RBP: 0000000000000000 R08: ff38f4c9c33334d0 R09: ff38f4c9c3e47034
[    8.498026] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[    8.498073] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c3cd4e00
[    8.498117] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    8.498164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.498198] CR2: 00007fb58998c574 CR3: 000000002d847003 CR4: 0000000000771ef0
[    8.498238] PKRU: 55555554
[    8.498252] Call Trace:
[    8.498268]  <TASK>
[    8.498283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.498305]  netif_state_change (net/core/dev.c:1605)
[    8.498329]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.498353]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.498383]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.498405]  process_one_work (kernel/workqueue.c:3314)
[    8.498432]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.498455]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.498478]  kthread (kernel/kthread.c:436)
[    8.498501]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.498522]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.498547]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.498570]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.416038] ------------[ cut here ]------------
| [    9.416158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/36
| [    9.416235] Modules linked in:
| [    9.416326] Tainted: [W]=WARN
[    9.416347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.416392] Workqueue: events_unbound linkwatch_event
[    9.416431] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.416463] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.416562] RSP: 0018:ff6096b04014bd50 EFLAGS: 00010286
[    9.416591] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    9.416639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[    9.416682] RBP: 0000000000000000 R08: ff38f4c9c3316dd0 R09: ff38f4c9c3e47034
[    9.416728] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[    9.416778] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd4e00
[    9.416832] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[    9.416882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.416923] CR2: 00007fe9a605c0a0 CR3: 0000000003321004 CR4: 0000000000771ef0
[    9.416974] PKRU: 55555554
[    9.416993] Call Trace:
[    9.417009]  <TASK>
[    9.417026]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.417052]  netif_state_change (net/core/dev.c:1605)
[    9.417086]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.417113]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.417143]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.417165]  process_one_work (kernel/workqueue.c:3314)
[    9.417194]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.417214]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.417240]  kthread (kernel/kthread.c:436)
[    9.417269]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.417294]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.417322]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.417346]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.654444] ------------[ cut here ]------------
| [   10.654502] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.654564] Modules linked in:
| [   10.654641] Tainted: [W]=WARN
[   10.654664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.654700] Workqueue: netns cleanup_net
[   10.654727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.654755] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.654843] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.654871] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.654910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.654947] RBP: 0000000000000000 R08: ff38f4c9c3384ad0 R09: ff38f4c9c6132830
[   10.654992] R10: ff38f4c9c6143120 R11: fefefefefefefeff R12: 0000000000000000
[   10.655031] R13: 0000000000000011 R14: ff38f4c9c6143000 R15: ff38f4c9c3cd4e00
[   10.655073] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.655126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.655162] CR2: 00007fe9a61ea000 CR3: 0000000003d79006 CR4: 0000000000771ef0
[   10.655202] PKRU: 55555554
[   10.655218] Call Trace:
[   10.655236]  <TASK>
[   10.655251]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.655279]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.655302]  cleanup_net (net/core/net_namespace.c:702)
[   10.655323]  process_one_work (kernel/workqueue.c:3314)
[   10.655348]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.655369]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.655390]  kthread (kernel/kthread.c:436)
[   10.655413]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.655432]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.655454]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.655475]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.655610] ------------[ cut here ]------------
| [   10.655635] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.655687] Modules linked in:
| [   10.655764] Tainted: [W]=WARN
[   10.655783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.655820] Workqueue: netns cleanup_net
[   10.655841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.655867] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.655954] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.655986] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.656027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.656068] RBP: 0000000000000000 R08: ff38f4c9c32fef90 R09: ff38f4c9c6128830
[   10.656116] R10: ff38f4c9c3e46120 R11: fefefefefefefeff R12: 0000000000000000
[   10.656159] R13: 0000000000000011 R14: ff38f4c9c3e46000 R15: ff38f4c9c3cd4e00
[   10.656204] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.656244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.656278] CR2: 00007fe9a61ea000 CR3: 0000000003d79006 CR4: 0000000000771ef0
[   10.656318] PKRU: 55555554
[   10.656333] Call Trace:
[   10.656347]  <TASK>
[   10.656362]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.656387]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.656409]  cleanup_net (net/core/net_namespace.c:702)
[   10.656431]  process_one_work (kernel/workqueue.c:3314)
[   10.656450]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.656471]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.656489]  kthread (kernel/kthread.c:436)
[   10.656510]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.656533]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.656555]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.656580]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.656697] ------------[ cut here ]------------
| [   10.656724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.656775] Modules linked in:
| [   10.656849] Tainted: [W]=WARN
[   10.656870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.656905] Workqueue: netns cleanup_net
[   10.656925] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.656952] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.657044] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.657072] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.657114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.657157] RBP: 0000000000000000 R08: ff38f4c9c3316050 R09: ff38f4c9c6093834
[   10.657194] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   10.657232] R13: 0000000000000011 R14: ff38f4c9c1c30000 R15: ff38f4c9c3cd4e00
[   10.657275] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.657316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.657350] CR2: 00007fe9a61ea000 CR3: 0000000003d79006 CR4: 0000000000771ef0
[   10.657386] PKRU: 55555554
[   10.657402] Call Trace:
[   10.657418]  <TASK>
[   10.657430]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.657456]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.657478]  cleanup_net (net/core/net_namespace.c:702)
[   10.657500]  process_one_work (kernel/workqueue.c:3314)
[   10.657519]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.657541]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.657561]  kthread (kernel/kthread.c:436)
[   10.657580]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.657603]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.657626]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.657648]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.657757] ------------[ cut here ]------------
| [   10.657790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.657839] Modules linked in:
| [   10.657910] Tainted: [W]=WARN
[   10.657932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.657967] Workqueue: netns cleanup_net
[   10.657989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.658017] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.658116] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.658143] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.658181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.658223] RBP: 0000000000000000 R08: ff38f4c9c3316010 R09: ff38f4c9c31f2830
[   10.658262] R10: ff38f4c9c1c31120 R11: fefefefefefefeff R12: 0000000000000000
[   10.658299] R13: 0000000000000011 R14: ff38f4c9c1c31000 R15: ff38f4c9c3cd4e00
[   10.658345] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.658387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.658420] CR2: 00007fe9a61ea000 CR3: 0000000003d79006 CR4: 0000000000771ef0
[   10.658458] PKRU: 55555554
[   10.658473] Call Trace:
[   10.658488]  <TASK>
[   10.658503]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.658529]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.658549]  cleanup_net (net/core/net_namespace.c:702)
[   10.658567]  process_one_work (kernel/workqueue.c:3314)
[   10.658592]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.658612]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.658634]  kthread (kernel/kthread.c:436)
[   10.658655]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.658676]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.658697]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.658717]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.658815] ------------[ cut here ]------------
| [   10.658848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.658898] Modules linked in:
| [   10.658967] Tainted: [W]=WARN
[   10.658988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.659022] Workqueue: netns cleanup_net
[   10.659043] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.659070] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.659170] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.659199] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.659238] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.659277] RBP: 0000000000000000 R08: ff38f4c9c3e03950 R09: ff38f4c9c3e3a030
[   10.659316] R10: ff38f4c9c3e44120 R11: fefefefefefefeff R12: 0000000000000000
[   10.659354] R13: 0000000000000011 R14: ff38f4c9c3e44000 R15: ff38f4c9c3cd4e00
[   10.659397] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.659437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.659468] CR2: 00007fe9a61ea000 CR3: 0000000003d79006 CR4: 0000000000771ef0
[   10.659506] PKRU: 55555554
[   10.659521] Call Trace:
[   10.659536]  <TASK>
[   10.659549]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.659577]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.659599]  cleanup_net (net/core/net_namespace.c:702)
[   10.659622]  process_one_work (kernel/workqueue.c:3314)
[   10.659645]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.659663]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.659683]  kthread (kernel/kthread.c:436)
[   10.659707]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.659728]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.659751]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.659773]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.668007] ------------[ cut here ]------------
| [   10.668050] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.668109] Modules linked in:
| [   10.668185] Tainted: [W]=WARN
[   10.668208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.668243] Workqueue: netns cleanup_net
[   10.668266] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.668294] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.668386] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   10.668416] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   10.668457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.668498] RBP: 0000000000000000 R08: ff38f4c9c3316dd0 R09: ff38f4c9c3e44034
[   10.668536] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[   10.668577] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd4e00
[   10.668621] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.668666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.668701] CR2: 00007f5ca2187000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.668746] PKRU: 55555554
[   10.668761] Call Trace:
[   10.668776]  <TASK>
[   10.668792]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.668816]  netif_close_many (net/core/dev.c:1804)
[   10.668840]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.668870]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.668897]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.668930]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.668952]  cleanup_net (net/core/net_namespace.c:702)
[   10.668982]  process_one_work (kernel/workqueue.c:3314)
[   10.669006]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.669028]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.669049]  kthread (kernel/kthread.c:436)
[   10.669072]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.669098]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.669122]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.669144]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.669235] ------------[ cut here ]------------
| [   10.669263] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.669317] Modules linked in:
| [   10.669391] Tainted: [W]=WARN
[   10.669413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.669450] Workqueue: netns cleanup_net
[   10.669472] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.669501] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.669596] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   10.669625] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   10.669668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.669709] RBP: 0000000000000000 R08: ff38f4c9c33334d0 R09: ff38f4c9c3e44034
[   10.669745] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   10.669784] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c3cd4e00
[   10.669827] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.669868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.669904] CR2: 00007f5ca2187000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.669942] PKRU: 55555554
[   10.669966] Call Trace:
[   10.669980]  <TASK>
[   10.669993]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.670016]  netif_close_many (net/core/dev.c:1804)
[   10.670039]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.670066]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.670098]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.670130]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.670151]  cleanup_net (net/core/net_namespace.c:702)
[   10.670171]  process_one_work (kernel/workqueue.c:3314)
[   10.670191]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.670213]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.670236]  kthread (kernel/kthread.c:436)
[   10.670264]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.670285]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.670306]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.670328]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.670419] ------------[ cut here ]------------
| [   10.670451] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.670499] Modules linked in:
| [   10.670576] Tainted: [W]=WARN
[   10.670598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.670629] Workqueue: netns cleanup_net
[   10.670650] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.670676] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.670768] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   10.670798] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   10.670836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.670876] RBP: 0000000000000000 R08: ff38f4c9c3390c50 R09: ff38f4c9c3e4402c
[   10.670917] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[   10.670955] R13: 0000000000000010 R14: ff38f4c9c6142000 R15: ff38f4c9c3cd4e00
[   10.671003] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.671043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.671081] CR2: 00007f5ca2187000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.671122] PKRU: 55555554
[   10.671137] Call Trace:
[   10.671152]  <TASK>
[   10.671166]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.671188]  netif_close_many (net/core/dev.c:1804)
[   10.671209]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.671235]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   10.671264]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.671292]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.671314]  cleanup_net (net/core/net_namespace.c:702)
[   10.671335]  process_one_work (kernel/workqueue.c:3314)
[   10.671358]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.671378]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.671398]  kthread (kernel/kthread.c:436)
[   10.671419]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.671440]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.671465]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.671488]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.671635] ------------[ cut here ]------------
| [   10.671662] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.671718] Modules linked in:
| [   10.671797] Tainted: [W]=WARN
[   10.671819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.671855] Workqueue: netns cleanup_net
[   10.671876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.671901] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.671995] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   10.672022] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.672062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.672107] RBP: 0000000000000000 R08: ff38f4c9c3316dd0 R09: ff38f4c9c6095034
[   10.672149] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[   10.672188] R13: 0000000000000011 R14: ff38f4c9c613a000 R15: ff38f4c9c3cd4e00
[   10.672228] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.672267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.672300] CR2: 00007f5ca2187000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.672339] PKRU: 55555554
[   10.672358] Call Trace:
[   10.672370]  <TASK>
[   10.672385]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.672411]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.672438]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.672462]  cleanup_net (net/core/net_namespace.c:702)
[   10.672483]  process_one_work (kernel/workqueue.c:3314)
[   10.672504]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.672524]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.672545]  kthread (kernel/kthread.c:436)
[   10.672566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.672587]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.672608]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.672632]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.672754] ------------[ cut here ]------------
| [   10.672780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.672835] Modules linked in:
| [   10.672908] Tainted: [W]=WARN
[   10.672929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.672972] Workqueue: netns cleanup_net
[   10.672994] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.673020] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.673115] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   10.673140] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.673180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.673221] RBP: 0000000000000000 R08: ff38f4c9c33334d0 R09: ff38f4c9c6135034
[   10.673260] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   10.673311] R13: 0000000000000011 R14: ff38f4c9c31c2000 R15: ff38f4c9c3cd4e00
[   10.673357] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.673402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.673434] CR2: 00007f5ca2187000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.673476] PKRU: 55555554
[   10.673490] Call Trace:
[   10.673505]  <TASK>
[   10.673518]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.673546]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.673577]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.673598]  cleanup_net (net/core/net_namespace.c:702)
[   10.673621]  process_one_work (kernel/workqueue.c:3314)
[   10.673642]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.673664]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.673687]  kthread (kernel/kthread.c:436)
[   10.673711]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.673732]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.673752]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.673772]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.673888] ------------[ cut here ]------------
| [   10.673920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.673976] Modules linked in:
| [   10.674059] Tainted: [W]=WARN
[   10.674096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.674174] Workqueue: netns cleanup_net
[   10.674205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.674231] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.674324] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   10.674353] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.674394] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.674438] RBP: 0000000000000000 R08: ff38f4c9c3390c50 R09: ff38f4c9c613002c
[   10.674481] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[   10.674523] R13: 0000000000000011 R14: ff38f4c9c6142000 R15: ff38f4c9c3cd4e00
[   10.674569] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.674613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.674651] CR2: 00007f5ca2187000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.674694] PKRU: 55555554
[   10.674711] Call Trace:
[   10.674724]  <TASK>
[   10.674738]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.674767]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.674795]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.674816]  cleanup_net (net/core/net_namespace.c:702)
[   10.674838]  process_one_work (kernel/workqueue.c:3314)
[   10.674859]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.674878]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.674899]  kthread (kernel/kthread.c:436)
[   10.674922]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.674945]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.674968]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.674989]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.683641] ------------[ cut here ]------------
| [   10.683687] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/306
| [   10.683741] Modules linked in:
| [   10.683821] Tainted: [W]=WARN
[   10.683843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.683878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.683907] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.684017] RSP: 0018:ff6096b04071fcb8 EFLAGS: 00010286
[   10.684048] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.684096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b400
[   10.684132] RBP: 0000000000000000 R08: ff38f4c9c33b4450 R09: ff38f4c9c3e3402c
[   10.684184] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   10.684231] R13: 0000000000000010 R14: ff38f4c9c1c30000 R15: ff38f4c9c189b400
[   10.684276] FS:  00007f0f92857840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.684324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.684362] CR2: 00007f0f92a617d0 CR3: 0000000003d05005 CR4: 0000000000771ef0
[   10.684411] PKRU: 55555554
[   10.684424] Call Trace:
[   10.684440]  <TASK>
[   10.684455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.684481]  register_netdevice (net/core/dev.c:11488)
[   10.684504]  register_netdev (net/core/dev.c:11552)
[   10.684526]  loopback_net_init (drivers/net/loopback.c:218)
[   10.684550]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.684580]  ops_init (net/core/net_namespace.c:137)
[   10.684601]  setup_net (net/core/net_namespace.c:446)
[   10.684624]  copy_net_ns (net/core/net_namespace.c:579)
[   10.684647]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.684678]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.684708]  ksys_unshare (kernel/fork.c:3243)
[   10.684732]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.684752]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.684776]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.684806] RIP: 0033:0x7f0f92b19bcb
[   10.684830] 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
[   10.684925] RSP: 002b:00007ffd9cbbafd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.684966] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f92b19bcb
[   10.685008] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.685047] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.685099] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cbbd200
[   10.685145] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cbbe8a1
| [   10.685266] ------------[ cut here ]------------
| [   10.685295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/306
| [   10.685348] Modules linked in:
| [   10.685423] Tainted: [W]=WARN
[   10.685444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.685479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.685510] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.685612] RSP: 0018:ff6096b04071fc10 EFLAGS: 00010286
[   10.685644] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.685683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189bc00
[   10.685725] RBP: 0000000000000000 R08: ff38f4c9c1904750 R09: ff38f4c9c6132830
[   10.685769] R10: ff38f4c9c3e34120 R11: fefefefefefefeff R12: 0000000000000000
[   10.685810] R13: 0000000000000010 R14: ff38f4c9c3e34000 R15: ff38f4c9c189bc00
[   10.685855] FS:  00007f0f92857840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.685899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.685932] CR2: 00007f0f92a617d0 CR3: 0000000003d05005 CR4: 0000000000771ef0
[   10.685974] PKRU: 55555554
[   10.685989] Call Trace:
[   10.686003]  <TASK>
[   10.686016]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.686037]  register_netdevice (net/core/dev.c:11488)
[   10.686062]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.686089]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.686110]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.686131]  ops_init (net/core/net_namespace.c:137)
[   10.686154]  setup_net (net/core/net_namespace.c:446)
[   10.686173]  copy_net_ns (net/core/net_namespace.c:579)
[   10.686195]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.686221]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.686255]  ksys_unshare (kernel/fork.c:3243)
[   10.686275]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.686296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.686319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.686347] RIP: 0033:0x7f0f92b19bcb
[   10.686366] 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
[   10.686467] RSP: 002b:00007ffd9cbbafd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.686508] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f92b19bcb
[   10.686548] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.686590] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.686632] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cbbd200
[   10.686672] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cbbe8a1
| [   10.686780] ------------[ cut here ]------------
| [   10.686808] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/306
| [   10.686857] Modules linked in:
| [   10.686933] Tainted: [W]=WARN
[   10.686957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.686993] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.687020] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.687124] RSP: 0018:ff6096b04071fbf0 EFLAGS: 00010286
[   10.687154] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.687195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8e00
[   10.687235] RBP: 0000000000000000 R08: ff38f4c9c18bef10 R09: ff38f4c9c305f030
[   10.687280] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   10.687323] R13: 0000000000000010 R14: ff38f4c9c3e32000 R15: ff38f4c9c3cd8e00
[   10.687371] FS:  00007f0f92857840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.687414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.687448] CR2: 00007f0f92a617d0 CR3: 0000000003d05005 CR4: 0000000000771ef0
[   10.687490] PKRU: 55555554
[   10.687505] Call Trace:
[   10.687518]  <TASK>
[   10.687533]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.687551]  register_netdevice (net/core/dev.c:11488)
[   10.687573]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.687596]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.687619]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.687640]  ops_init (net/core/net_namespace.c:137)
[   10.687660]  setup_net (net/core/net_namespace.c:446)
[   10.687680]  copy_net_ns (net/core/net_namespace.c:579)
[   10.687703]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.687730]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.687759]  ksys_unshare (kernel/fork.c:3243)
[   10.687783]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.687804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.687826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.687849] RIP: 0033:0x7f0f92b19bcb
[   10.687868] 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
[   10.687970] RSP: 002b:00007ffd9cbbafd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.688018] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f92b19bcb
[   10.688058] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.688103] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.688144] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cbbd200
[   10.688184] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cbbe8a1
| [   10.688302] ------------[ cut here ]------------
| [   10.688330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/306
| [   10.688378] Modules linked in:
| [   10.688456] Tainted: [W]=WARN
[   10.688478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.688510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.688537] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.688634] RSP: 0018:ff6096b04071fca8 EFLAGS: 00010286
[   10.688664] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.688706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189a900
[   10.688749] RBP: 0000000000000000 R08: ff38f4c9c32dbad0 R09: ff38f4c9c1180034
[   10.688784] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   10.688823] R13: 0000000000000010 R14: ff38f4c9c6145000 R15: ff38f4c9c189a900
[   10.688865] FS:  00007f0f92857840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.688908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.688946] CR2: 00007f0f92a617d0 CR3: 0000000003d05005 CR4: 0000000000771ef0
[   10.688993] PKRU: 55555554
[   10.689005] Call Trace:
[   10.689020]  <TASK>
[   10.689034]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.689057]  register_netdevice (net/core/dev.c:11488)
[   10.689081]  register_netdev (net/core/dev.c:11552)
[   10.689101]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.689126]  ops_init (net/core/net_namespace.c:137)
[   10.689148]  setup_net (net/core/net_namespace.c:446)
[   10.689169]  copy_net_ns (net/core/net_namespace.c:579)
[   10.689196]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.689225]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.689252]  ksys_unshare (kernel/fork.c:3243)
[   10.689273]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.689293]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.689313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.689345] RIP: 0033:0x7f0f92b19bcb
[   10.689367] 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
[   10.689457] RSP: 002b:00007ffd9cbbafd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.689495] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f92b19bcb
[   10.689535] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.689579] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.689619] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cbbd200
[   10.689660] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cbbe8a1
| [   10.689774] ------------[ cut here ]------------
| [   10.689800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/306
| [   10.689845] Modules linked in:
| [   10.689923] Tainted: [W]=WARN
[   10.689946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.689981] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.690010] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.690105] RSP: 0018:ff6096b04071fca0 EFLAGS: 00010286
[   10.690135] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.690175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[   10.690216] RBP: 0000000000000000 R08: ff38f4c9c3261050 R09: ff38f4c9c3e43030
[   10.690256] R10: ff38f4c9c1180120 R11: fefefefefefefeff R12: 0000000000000000
[   10.690295] R13: 0000000000000010 R14: ff38f4c9c1180000 R15: ff38f4c9c1df6a00
[   10.690338] FS:  00007f0f92857840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.690378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.690406] CR2: 00007f0f92a617d0 CR3: 0000000003d05005 CR4: 0000000000771ef0
[   10.690448] PKRU: 55555554
[   10.690467] Call Trace:
[   10.690481]  <TASK>
[   10.690496]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.690514]  register_netdevice (net/core/dev.c:11488)
[   10.690532]  register_netdev (net/core/dev.c:11552)
[   10.690558]  sit_init_net (net/ipv6/sit.c:1860)
[   10.690581]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.690601]  ops_init (net/core/net_namespace.c:137)
[   10.690627]  setup_net (net/core/net_namespace.c:446)
[   10.690648]  copy_net_ns (net/core/net_namespace.c:579)
[   10.690669]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.690695]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.690723]  ksys_unshare (kernel/fork.c:3243)
[   10.690744]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.690771]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.690793]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.690822] RIP: 0033:0x7f0f92b19bcb
[   10.690842] 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
[   10.690934] RSP: 002b:00007ffd9cbbafd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.690976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f92b19bcb
[   10.691017] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.691056] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.691102] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cbbd200
[   10.691143] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cbbe8a1
| [   10.691266] ------------[ cut here ]------------
| [   10.691294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/306
| [   10.691340] Modules linked in:
| [   10.691418] Tainted: [W]=WARN
[   10.691440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.691479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.691507] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.691609] RSP: 0018:ff6096b04071fca8 EFLAGS: 00010286
[   10.691640] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.691684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c183ec00
[   10.691725] RBP: 0000000000000000 R08: ff38f4c9c32a1310 R09: ff38f4c9c3e47030
[   10.691765] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[   10.691811] R13: 0000000000000010 R14: ff38f4c9c3e43000 R15: ff38f4c9c183ec00
[   10.691861] FS:  00007f0f92857840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.691901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.691934] CR2: 00007f0f92a617d0 CR3: 0000000003d05005 CR4: 0000000000771ef0
[   10.691980] PKRU: 55555554
[   10.691993] Call Trace:
[   10.692017]  <TASK>
[   10.692032]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.692053]  register_netdevice (net/core/dev.c:11488)
[   10.692075]  register_netdev (net/core/dev.c:11552)
[   10.692105]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.692129]  ops_init (net/core/net_namespace.c:137)
[   10.692151]  setup_net (net/core/net_namespace.c:446)
[   10.692171]  copy_net_ns (net/core/net_namespace.c:579)
[   10.692192]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.692223]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.692255]  ksys_unshare (kernel/fork.c:3243)
[   10.692279]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.692299]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.692319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.692346] RIP: 0033:0x7f0f92b19bcb
[   10.692367] 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
[   10.692464] RSP: 002b:00007ffd9cbbafd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.692504] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0f92b19bcb
[   10.692547] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.692585] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.692625] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cbbd200
[   10.692673] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cbbe8a1
| [   10.695930] ------------[ cut here ]------------
| [   10.696005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/307
| [   10.696104] Modules linked in:
| [   10.696261] Tainted: [W]=WARN
[   10.696320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.696394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.696463] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.696591] RSP: 0018:ff6096b04071f720 EFLAGS: 00010286
[   10.696658] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   10.696739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   10.696820] RBP: 0000000000000000 R08: ff38f4c9c33b4450 R09: ff38f4c9c613b02c
[   10.696898] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   10.696981] R13: 0000000000000010 R14: ff38f4c9c1c30000 R15: ff38f4c9c3cd8b00
[   10.697065] FS:  00007f61e6cbd840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.697151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.697224] CR2: 00000000142bb988 CR3: 0000000006e4f005 CR4: 0000000000771ef0
[   10.697303] PKRU: 55555554
[   10.697355] Call Trace:
[   10.697405]  <TASK>
[   10.697456]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.697520]  __dev_notify_flags (net/core/dev.c:9787)
[   10.697583]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   10.697647]  netif_change_flags (net/core/dev.c:9820)
[   10.697710]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.697773]  ? __nla_validate_parse (lib/nlattr.c:620)
[   10.697844]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   10.697909]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   10.697981]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   10.698054]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.698122]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   10.698186]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.698254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.698316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.698378]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.698440]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.698503]  ___sys_sendmsg (net/socket.c:2752)
[   10.698565]  __sys_sendmsg (net/socket.c:2784)
[   10.698628]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.698690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.698758] RIP: 0033:0x7f61e6ef708e
[   10.698819] 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
[   10.698943] RSP: 002b:00007ffcddeac530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.699028] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f61e6ef708e
[   10.699116] RDX: 0000000000000000 RSI: 00007ffcddeac5e0 RDI: 0000000000000005
[   10.699193] RBP: 00007ffcddeac540 R08: 0000000000000000 R09: 0000000000000000
[   10.699266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e730
[   10.699343] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcddeaccb0
| [   10.717039] ------------[ cut here ]------------
| [   10.717074] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.717137] Modules linked in:
| [   10.717223] Tainted: [W]=WARN
[   10.717246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.717281] Workqueue: netns cleanup_net
[   10.717302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.717329] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.717420] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.717450] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.717490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.717530] RBP: 0000000000000000 R08: ff38f4c9c32faad0 R09: ff38f4c9c612a030
[   10.717574] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   10.717618] R13: 0000000000000011 R14: ff38f4c9c609b000 R15: ff38f4c9c3cd4e00
[   10.717660] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.717709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.717745] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.717785] PKRU: 55555554
[   10.717800] Call Trace:
[   10.717812]  <TASK>
[   10.717829]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.717861]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.717888]  cleanup_net (net/core/net_namespace.c:702)
[   10.717911]  process_one_work (kernel/workqueue.c:3314)
[   10.717932]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.717957]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.717983]  kthread (kernel/kthread.c:436)
[   10.718006]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.718033]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.718055]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.718089]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.718199] ------------[ cut here ]------------
| [   10.718227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.718282] Modules linked in:
| [   10.718366] Tainted: [W]=WARN
[   10.718384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.718419] Workqueue: netns cleanup_net
[   10.718441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.718480] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.718578] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.718601] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.718642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.718681] RBP: 0000000000000000 R08: ff38f4c9c3378c10 R09: ff38f4c9c307b030
[   10.718726] R10: ff38f4c9c613c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.718765] R13: 0000000000000011 R14: ff38f4c9c613c000 R15: ff38f4c9c3cd4e00
[   10.718812] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.718854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.718887] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.718924] PKRU: 55555554
[   10.718939] Call Trace:
[   10.718951]  <TASK>
[   10.718978]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.719013]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.719036]  cleanup_net (net/core/net_namespace.c:702)
[   10.719057]  process_one_work (kernel/workqueue.c:3314)
[   10.719080]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.719101]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.719125]  kthread (kernel/kthread.c:436)
[   10.719151]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.719173]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.719194]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.719218]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.719324] ------------[ cut here ]------------
| [   10.719360] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.719412] Modules linked in:
| [   10.719482] Tainted: [W]=WARN
[   10.719502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.719531] Workqueue: netns cleanup_net
[   10.719553] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.719578] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.719672] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.719700] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.719741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.719784] RBP: 0000000000000000 R08: ff38f4c9c3384b50 R09: ff38f4c9c60ae034
[   10.719821] R10: ff38f4c9c1c33120 R11: fefefefefefefeff R12: 0000000000000000
[   10.719863] R13: 0000000000000011 R14: ff38f4c9c1c33000 R15: ff38f4c9c3cd4e00
[   10.719905] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.719944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.719977] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.720015] PKRU: 55555554
[   10.720030] Call Trace:
[   10.720042]  <TASK>
[   10.720055]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.720088]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.720112]  cleanup_net (net/core/net_namespace.c:702)
[   10.720132]  process_one_work (kernel/workqueue.c:3314)
[   10.720152]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.720172]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.720192]  kthread (kernel/kthread.c:436)
[   10.720212]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.720231]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.720253]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.720274]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.720374] ------------[ cut here ]------------
| [   10.720399] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.720448] Modules linked in:
| [   10.720518] Tainted: [W]=WARN
[   10.720535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.720569] Workqueue: netns cleanup_net
[   10.720590] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.720615] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.720703] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.720731] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.720768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.720809] RBP: 0000000000000000 R08: ff38f4c9c32c6cd0 R09: ff38f4c9c305a830
[   10.720848] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[   10.720887] R13: 0000000000000011 R14: ff38f4c9c613d000 R15: ff38f4c9c3cd4e00
[   10.720927] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.720969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.721002] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.721043] PKRU: 55555554
[   10.721058] Call Trace:
[   10.721073]  <TASK>
[   10.721094]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.721121]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.721142]  cleanup_net (net/core/net_namespace.c:702)
[   10.721163]  process_one_work (kernel/workqueue.c:3314)
[   10.721184]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.721204]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.721225]  kthread (kernel/kthread.c:436)
[   10.721248]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.721270]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.721291]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.721312]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.721415] ------------[ cut here ]------------
| [   10.721441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.721495] Modules linked in:
| [   10.721576] Tainted: [W]=WARN
[   10.721597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.721631] Workqueue: netns cleanup_net
[   10.721653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.721678] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.721763] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   10.721791] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.721830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.721869] RBP: 0000000000000000 R08: ff38f4c9c32c6b50 R09: ff38f4c9c60a8830
[   10.721911] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   10.721952] R13: 0000000000000011 R14: ff38f4c9c31c4000 R15: ff38f4c9c3cd4e00
[   10.722007] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.722048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.722091] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.722128] PKRU: 55555554
[   10.722143] Call Trace:
[   10.722155]  <TASK>
[   10.722170]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.722198]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.722218]  cleanup_net (net/core/net_namespace.c:702)
[   10.722240]  process_one_work (kernel/workqueue.c:3314)
[   10.722260]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.722279]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.722301]  kthread (kernel/kthread.c:436)
[   10.722320]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.722342]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.722361]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.722383]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.725492] ------------[ cut here ]------------
| [   10.725557] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/315
| [   10.725653] Modules linked in:
| [   10.725803] Tainted: [W]=WARN
[   10.725861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.725933] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.726005] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.726146] RSP: 0018:ff6096b040747cb8 EFLAGS: 00010286
[   10.726211] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.726291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   10.726368] RBP: 0000000000000000 R08: ff38f4c9c32fae90 R09: ff38f4c9c31c002c
[   10.726448] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   10.726526] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c3cd8b00
[   10.726609] FS:  00007f117e649840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.726694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.726765] CR2: 00007f117e84ac20 CR3: 0000000006e67001 CR4: 0000000000771ef0
[   10.726845] PKRU: 55555554
[   10.726896] Call Trace:
[   10.726946]  <TASK>
[   10.727003]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.727061]  register_netdevice (net/core/dev.c:11488)
[   10.727126]  register_netdev (net/core/dev.c:11552)
[   10.727185]  loopback_net_init (drivers/net/loopback.c:218)
[   10.727246]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.727312]  ops_init (net/core/net_namespace.c:137)
[   10.727371]  setup_net (net/core/net_namespace.c:446)
[   10.727431]  copy_net_ns (net/core/net_namespace.c:579)
[   10.727491]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.727558]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.727626]  ksys_unshare (kernel/fork.c:3243)
[   10.727685]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.727745]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.727805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.727867] RIP: 0033:0x7f117e90bbcb
[   10.727925] 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
[   10.728064] RSP: 002b:00007ffc7071a3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.728144] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f117e90bbcb
[   10.728222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.728299] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.728377] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7071c5f0
[   10.728454] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7071d89f
| [   10.728656] ------------[ cut here ]------------
| [   10.728690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.728743] Modules linked in:
| [   10.728822] Tainted: [W]=WARN
[   10.728842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.728878] Workqueue: netns cleanup_net
[   10.728900] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.728928] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.729024] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   10.729051] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   10.729097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.729136] RBP: 0000000000000000 R08: ff38f4c9c32c69d0 R09: ff38f4c9c31c402c
[   10.729174] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.729213] R13: 0000000000000010 R14: ff38f4c9c609e000 R15: ff38f4c9c3cd4e00
[   10.729259] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.729301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.729332] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.729370] PKRU: 55555554
[   10.729384] Call Trace:
[   10.729400]  <TASK>
[   10.729415]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.729436]  netif_close_many (net/core/dev.c:1804)
[   10.729458]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.729482]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.729509]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.729530]  cleanup_net (net/core/net_namespace.c:702)
[   10.729554]  process_one_work (kernel/workqueue.c:3314)
[   10.729575]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.729595]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.729613]  kthread (kernel/kthread.c:436)
[   10.729635]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.729656]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.729678]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.729703]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.729846] ------------[ cut here ]------------
| [   10.729873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   10.729923] Modules linked in:
| [   10.729999] Tainted: [W]=WARN
[   10.730019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.730053] Workqueue: netns cleanup_net
[   10.730074] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.730112] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.730201] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   10.730234] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.730275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.730317] RBP: 0000000000000000 R08: ff38f4c9c32c69d0 R09: ff38f4c9c3e3c02c
[   10.730353] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.730398] R13: 0000000000000011 R14: ff38f4c9c609e000 R15: ff38f4c9c3cd4e00
[   10.730436] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.730475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.730507] CR2: 00007f28b96c7000 CR3: 000000002d847005 CR4: 0000000000771ef0
[   10.730546] PKRU: 55555554
[   10.730561] Call Trace:
[   10.730576]  <TASK>
[   10.730589]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.730614]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.730641]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.730662]  cleanup_net (net/core/net_namespace.c:702)
[   10.730683]  process_one_work (kernel/workqueue.c:3314)
[   10.730705]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.730725]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.730750]  kthread (kernel/kthread.c:436)
[   10.730772]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.730794]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.730815]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.730838]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.731000] ------------[ cut here ]------------
| [   10.731069] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/315
| [   10.731165] Modules linked in:
| [   10.731319] Tainted: [W]=WARN
[   10.731376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.731452] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.731522] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.731653] RSP: 0018:ff6096b040747c10 EFLAGS: 00010286
[   10.731720] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.731794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c184b700
[   10.731871] RBP: 0000000000000000 R08: ff38f4c9c32db050 R09: ff38f4c9c307b030
[   10.731947] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   10.732031] R13: 0000000000000010 R14: ff38f4c9c31c0000 R15: ff38f4c9c184b700
[   10.732122] FS:  00007f117e649840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.732206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.732281] CR2: 00007f117e84ac20 CR3: 0000000006e67001 CR4: 0000000000771ef0
[   10.732367] PKRU: 55555554
[   10.732416] Call Trace:
[   10.732465]  <TASK>
[   10.732515]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.732572]  register_netdevice (net/core/dev.c:11488)
[   10.732630]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.732690]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.732750]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.732809]  ops_init (net/core/net_namespace.c:137)
[   10.732869]  setup_net (net/core/net_namespace.c:446)
[   10.732931]  copy_net_ns (net/core/net_namespace.c:579)
[   10.732996]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.733063]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.733136]  ksys_unshare (kernel/fork.c:3243)
[   10.733197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.733259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.733319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.733386] RIP: 0033:0x7f117e90bbcb
[   10.733446] 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
[   10.733569] RSP: 002b:00007ffc7071a3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.733647] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f117e90bbcb
[   10.733725] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.733805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.733882] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7071c5f0
[   10.733959] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7071d89f
| [   10.734209] ------------[ cut here ]------------
| [   10.734276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/315
| [   10.734362] Modules linked in:
| [   10.734512] Tainted: [W]=WARN
[   10.734574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.734649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.734715] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.734850] RSP: 0018:ff6096b040747bf0 EFLAGS: 00010286
[   10.734915] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.735004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6500
[   10.735089] RBP: 0000000000000000 R08: ff38f4c9c18f7bd0 R09: ff38f4c9c6091030
[   10.735167] R10: ff38f4c9c3e37120 R11: fefefefefefefeff R12: 0000000000000000
[   10.735247] R13: 0000000000000010 R14: ff38f4c9c3e37000 R15: ff38f4c9c1df6500
[   10.735326] FS:  00007f117e649840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.735406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.735473] CR2: 00007f117e84ac20 CR3: 0000000006e67001 CR4: 0000000000771ef0
[   10.735553] PKRU: 55555554
[   10.735604] Call Trace:
[   10.735653]  <TASK>
[   10.735705]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.735766]  register_netdevice (net/core/dev.c:11488)
[   10.735828]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.735889]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.735951]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.736017]  ops_init (net/core/net_namespace.c:137)
[   10.736083]  setup_net (net/core/net_namespace.c:446)
[   10.736143]  copy_net_ns (net/core/net_namespace.c:579)
[   10.736205]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.736274]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.736344]  ksys_unshare (kernel/fork.c:3243)
[   10.736405]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.736466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.736528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.736592] RIP: 0033:0x7f117e90bbcb
[   10.736650] 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
[   10.736775] RSP: 002b:00007ffc7071a3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.736852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f117e90bbcb
[   10.736929] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.737014] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.737102] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7071c5f0
[   10.737180] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7071d89f
| [   10.737435] ------------[ cut here ]------------
| [   10.737503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/315
| [   10.737590] Modules linked in:
| [   10.737741] Tainted: [W]=WARN
[   10.737800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.737872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.737941] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.738065] RSP: 0018:ff6096b040747ca8 EFLAGS: 00010286
[   10.738138] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.738217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b000
[   10.738296] RBP: 0000000000000000 R08: ff38f4c9c32c6890 R09: ff38f4c9c613c034
[   10.738372] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   10.738450] R13: 0000000000000010 R14: ff38f4c9c3e36000 R15: ff38f4c9c189b000
[   10.738531] FS:  00007f117e649840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.738611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.738684] CR2: 00007f117e84ac20 CR3: 0000000006e67001 CR4: 0000000000771ef0
[   10.738764] PKRU: 55555554
[   10.738814] Call Trace:
[   10.738866]  <TASK>
[   10.738917]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.738985]  register_netdevice (net/core/dev.c:11488)
[   10.739048]  register_netdev (net/core/dev.c:11552)
[   10.739113]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.739177]  ops_init (net/core/net_namespace.c:137)
[   10.739238]  setup_net (net/core/net_namespace.c:446)
[   10.739301]  copy_net_ns (net/core/net_namespace.c:579)
[   10.739362]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.739430]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.739496]  ksys_unshare (kernel/fork.c:3243)
[   10.739552]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.739612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.739673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.739740] RIP: 0033:0x7f117e90bbcb
[   10.739800] 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
[   10.739923] RSP: 002b:00007ffc7071a3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.740009] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f117e90bbcb
[   10.740094] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.740171] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.740246] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7071c5f0
[   10.740323] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7071d89f
| [   10.740570] ------------[ cut here ]------------
| [   10.740639] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/315
| [   10.740728] Modules linked in:
| [   10.740880] Tainted: [W]=WARN
[   10.740940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.741019] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.741095] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.741221] RSP: 0018:ff6096b040747ca0 EFLAGS: 00010286
[   10.741289] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.741367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ab00
[   10.741443] RBP: 0000000000000000 R08: ff38f4c9c32c6790 R09: ff38f4c9c31c5030
[   10.741521] R10: ff38f4c9c613c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.741599] R13: 0000000000000010 R14: ff38f4c9c613c000 R15: ff38f4c9c189ab00
[   10.741676] FS:  00007f117e649840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.741756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.741828] CR2: 00007f117e84ac20 CR3: 0000000006e67001 CR4: 0000000000771ef0
[   10.741909] PKRU: 55555554
[   10.741968] Call Trace:
[   10.742019]  <TASK>
[   10.742070]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.742138]  register_netdevice (net/core/dev.c:11488)
[   10.742200]  register_netdev (net/core/dev.c:11552)
[   10.742262]  sit_init_net (net/ipv6/sit.c:1860)
[   10.742323]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.742386]  ops_init (net/core/net_namespace.c:137)
[   10.742448]  setup_net (net/core/net_namespace.c:446)
[   10.742510]  copy_net_ns (net/core/net_namespace.c:579)
[   10.742573]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.742641]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.742708]  ksys_unshare (kernel/fork.c:3243)
[   10.742764]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.742828]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.742891]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.742958] RIP: 0033:0x7f117e90bbcb
[   10.743027] 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
[   10.743159] RSP: 002b:00007ffc7071a3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.743239] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f117e90bbcb
[   10.743321] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.743400] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.743482] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7071c5f0
[   10.743563] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7071d89f
| [   10.743815] ------------[ cut here ]------------
| [   10.743882] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/315
| [   10.743973] Modules linked in:
| [   10.744135] Tainted: [W]=WARN
[   10.744194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.744265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.744333] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.744458] RSP: 0018:ff6096b040747ca8 EFLAGS: 00010286
[   10.744524] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.744602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c184b700
[   10.744680] RBP: 0000000000000000 R08: ff38f4c9c32c6690 R09: ff38f4c9c6147030
[   10.744758] R10: ff38f4c9c31c5120 R11: fefefefefefefeff R12: 0000000000000000
[   10.744834] R13: 0000000000000010 R14: ff38f4c9c31c5000 R15: ff38f4c9c184b700
[   10.744916] FS:  00007f117e649840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.745005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.745073] CR2: 00007f117e84ac20 CR3: 0000000006e67001 CR4: 0000000000771ef0
[   10.745158] PKRU: 55555554
[   10.745207] Call Trace:
[   10.745257]  <TASK>
[   10.745308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.745370]  register_netdevice (net/core/dev.c:11488)
[   10.745431]  register_netdev (net/core/dev.c:11552)
[   10.745494]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.745556]  ops_init (net/core/net_namespace.c:137)
[   10.745617]  setup_net (net/core/net_namespace.c:446)
[   10.745680]  copy_net_ns (net/core/net_namespace.c:579)
[   10.745740]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.745807]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.745874]  ksys_unshare (kernel/fork.c:3243)
[   10.745936]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.746004]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.746066]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.746135] RIP: 0033:0x7f117e90bbcb
[   10.746193] 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
[   10.746319] RSP: 002b:00007ffc7071a3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.746410] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f117e90bbcb
[   10.746488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.746565] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.746643] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7071c5f0
[   10.746721] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc7071d89f
| [   10.750241] ------------[ cut here ]------------
| [   10.750274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/316
| [   10.750326] Modules linked in:
| [   10.750403] Tainted: [W]=WARN
[   10.750421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.750452] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.750481] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.750568] RSP: 0018:ff6096b04074f720 EFLAGS: 00010286
[   10.750602] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   10.750642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd9100
[   10.750679] RBP: 0000000000000000 R08: ff38f4c9c32fae90 R09: ff38f4c9c3e4702c
[   10.750724] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   10.750763] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c3cd9100
[   10.750805] FS:  00007fdeab5e5840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   10.750845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.750883] CR2: 0000000005296988 CR3: 0000000003de5004 CR4: 0000000000771ef0
[   10.750922] PKRU: 55555554
[   10.750938] Call Trace:
[   10.750950]  <TASK>
[   10.750968]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.750993]  __dev_notify_flags (net/core/dev.c:9787)
[   10.751017]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   10.751036]  netif_change_flags (net/core/dev.c:9820)
[   10.751058]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.751084]  ? __nla_validate_parse (lib/nlattr.c:620)
[   10.751115]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   10.751137]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   10.751157]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   10.751185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.751207]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   10.751230]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.751258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.751279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.751300]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.751321]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.751341]  ___sys_sendmsg (net/socket.c:2752)
[   10.751363]  __sys_sendmsg (net/socket.c:2784)
[   10.751385]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.751407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.751437] RIP: 0033:0x7fdeab81f08e
[   10.751458] 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
[   10.751551] RSP: 002b:00007ffcf8a57230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.751595] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdeab81f08e
[   10.751634] RDX: 0000000000000000 RSI: 00007ffcf8a572e0 RDI: 0000000000000005
[   10.751673] RBP: 00007ffcf8a57240 R08: 0000000000000000 R09: 0000000000000000
[   10.751714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e730
[   10.751753] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf8a579b0
| [   10.762756] ------------[ cut here ]------------
| [   10.762822] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/319
| [   10.762910] Modules linked in:
| [   10.763071] Tainted: [W]=WARN
[   10.763130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.763205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.763274] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.763405] RSP: 0018:ff6096b0407575f0 EFLAGS: 00010286
[   10.763475] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.763552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b000
[   10.763629] RBP: 0000000000000000 R08: ff38f4c9c331ca90 R09: ff38f4c9c609f034
[   10.763707] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   10.763785] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c189b000
[   10.763866] FS:  00007f7c33c46840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.763944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.764021] CR2: 00000000004eb188 CR3: 0000000003d01001 CR4: 0000000000771ef0
[   10.764110] PKRU: 55555554
[   10.764162] Call Trace:
[   10.764214]  <TASK>
[   10.764264]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.764326]  __dev_notify_flags (net/core/dev.c:9787)
[   10.764390]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.764454]  veth_newlink (drivers/net/veth.c:1871)
[   10.764520]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   10.764584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   10.764652]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.764716]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   10.764787]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.764855]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.764919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.764989]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.765053]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.765120]  ___sys_sendmsg (net/socket.c:2752)
[   10.765183]  __sys_sendmsg (net/socket.c:2784)
[   10.765246]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.765309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.765379] RIP: 0033:0x7f7c33e8008e
[   10.765441] 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
[   10.765570] RSP: 002b:00007fffd91126d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.765648] RAX: ffffffffffffffda RBX: 00007fffd9112e80 RCX: 00007f7c33e8008e
[   10.765725] RDX: 0000000000000000 RSI: 00007fffd9112780 RDI: 0000000000000005
[   10.765807] RBP: 00007fffd91126e0 R08: 0000000000000000 R09: 0000000000000000
[   10.765889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e730
[   10.765978] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd9112e58
| [   10.766321] ------------[ cut here ]------------
| [   10.766385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/319
| [   10.766472] Modules linked in:
| [   10.766625] Tainted: [W]=WARN
[   10.766683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.766757] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.766825] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.766947] RSP: 0018:ff6096b040757870 EFLAGS: 00010286
[   10.767025] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.767111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   10.767188] RBP: 0000000000000000 R08: ff38f4c9c32663d0 R09: ff38f4c9c609e034
[   10.767267] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   10.767346] R13: 0000000000000010 R14: ff38f4c9c6147000 R15: ff38f4c9c3cd8b00
[   10.767428] FS:  00007f7c33c46840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.767507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.767579] CR2: 00000000004eb188 CR3: 0000000003d01001 CR4: 0000000000771ef0
[   10.767659] PKRU: 55555554
[   10.767710] Call Trace:
[   10.767761]  <TASK>
[   10.767813]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.767872]  __dev_notify_flags (net/core/dev.c:9787)
[   10.767934]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.768022]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   10.768092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   10.768160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.768222]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   10.768292]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.768363]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.768432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.768493]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.768555]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.768618]  ___sys_sendmsg (net/socket.c:2752)
[   10.768681]  __sys_sendmsg (net/socket.c:2784)
[   10.768743]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.768805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.768873] RIP: 0033:0x7f7c33e8008e
[   10.768932] 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
[   10.769065] RSP: 002b:00007fffd91126d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.769149] RAX: ffffffffffffffda RBX: 00007fffd9112e80 RCX: 00007f7c33e8008e
[   10.769226] RDX: 0000000000000000 RSI: 00007fffd9112780 RDI: 0000000000000005
[   10.769304] RBP: 00007fffd91126e0 R08: 0000000000000000 R09: 0000000000000000
[   10.769388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e730
[   10.769470] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd9112e58
| [   10.801502] ------------[ cut here ]------------
| [   10.801553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/328
| [   10.801604] Modules linked in:
| [   10.801683] Tainted: [W]=WARN
[   10.801708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.801741] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.801771] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.801861] RSP: 0018:ff6096b04079f720 EFLAGS: 00010286
[   10.801890] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   10.801931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   10.801975] RBP: 0000000000000000 R08: ff38f4c9c32663d0 R09: ff38f4c9c6140034
[   10.802020] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   10.802059] R13: 0000000000000010 R14: ff38f4c9c6147000 R15: ff38f4c9c3cd4e00
[   10.802103] FS:  00007fd401a93840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   10.802147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.802179] CR2: 0000000030b2c988 CR3: 0000000003f5b001 CR4: 0000000000771ef0
[   10.802225] PKRU: 55555554
[   10.802239] Call Trace:
[   10.802252]  <TASK>
[   10.802266]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.802290]  __dev_notify_flags (net/core/dev.c:9787)
[   10.802312]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   10.802334]  netif_change_flags (net/core/dev.c:9820)
[   10.802356]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.802378]  ? __nla_validate_parse (lib/nlattr.c:620)
[   10.802407]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   10.802427]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   10.802451]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   10.802478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.802501]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   10.802523]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.802554]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.802573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.802593]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.802617]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.802642]  ___sys_sendmsg (net/socket.c:2752)
[   10.802664]  __sys_sendmsg (net/socket.c:2784)
[   10.802690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.802712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.802744] RIP: 0033:0x7fd401ccd08e
[   10.802766] 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
[   10.802860] RSP: 002b:00007ffc2b0b5b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.802905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd401ccd08e
[   10.802943] RDX: 0000000000000000 RSI: 00007ffc2b0b5c20 RDI: 0000000000000005
[   10.802996] RBP: 00007ffc2b0b5b80 R08: 0000000000000000 R09: 0000000000000000
[   10.803038] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e730
[   10.803084] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2b0b62f8
| [   10.806127] ------------[ cut here ]------------
| [   10.806194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/329
| [   10.806283] Modules linked in:
| [   10.806433] Tainted: [W]=WARN
[   10.806489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.806560] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.806624] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.806750] RSP: 0018:ff6096b0407a7720 EFLAGS: 00010286
[   10.806812] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   10.806891] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   10.806975] RBP: 0000000000000000 R08: ff38f4c9c331ca90 R09: ff38f4c9c609e034
[   10.807050] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   10.807131] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c3cd8b00
[   10.807239] FS:  00007fe523e1f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.807321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.807391] CR2: 000000002829e988 CR3: 00000000061e4003 CR4: 0000000000771ef0
[   10.807469] PKRU: 55555554
[   10.807517] Call Trace:
[   10.807564]  <TASK>
[   10.807613]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.807674]  __dev_notify_flags (net/core/dev.c:9787)
[   10.807731]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   10.807788]  netif_change_flags (net/core/dev.c:9820)
[   10.807845]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.807902]  ? __nla_validate_parse (lib/nlattr.c:620)
[   10.807973]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   10.808033]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   10.808100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   10.808173]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.808231]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   10.808288]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.808355]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.808418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.808475]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.808534]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.808592]  ___sys_sendmsg (net/socket.c:2752)
[   10.808649]  __sys_sendmsg (net/socket.c:2784)
[   10.808705]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.808763]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.808826] RIP: 0033:0x7fe52405908e
[   10.808883] 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
[   10.809020] RSP: 002b:00007ffe2f7dc3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.809104] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe52405908e
[   10.809179] RDX: 0000000000000000 RSI: 00007ffe2f7dc460 RDI: 0000000000000005
[   10.809255] RBP: 00007ffe2f7dc3c0 R08: 0000000000000000 R09: 0000000000000000
[   10.809332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e730
[   10.809412] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2f7dcb38
| [   10.809633] ------------[ cut here ]------------
| [   10.809694] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 2/106
| [   10.809783] Modules linked in:
| [   10.809928] Tainted: [W]=WARN
[   10.809990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.810057] Workqueue: events_unbound linkwatch_event
[   10.810125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.810187] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.810316] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[   10.810377] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   10.810452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b900
[   10.810528] RBP: 0000000000000000 R08: ff38f4c9c32663d0 R09: ff38f4c9c609e034
[   10.810606] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   10.810690] R13: 0000000000000010 R14: ff38f4c9c6147000 R15: ff38f4c9c189b900
[   10.810769] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   10.810846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.810917] CR2: 000000002829e988 CR3: 00000000061e4003 CR4: 0000000000771ef0
[   10.811037] PKRU: 55555554
[   10.811094] Call Trace:
[   10.811149]  <TASK>
[   10.811200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.811265]  netif_state_change (net/core/dev.c:1605)
[   10.811324]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.811385]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.811455]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.811517]  process_one_work (kernel/workqueue.c:3314)
[   10.811580]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.811641]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.811703]  kthread (kernel/kthread.c:436)
[   10.811770]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.811833]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.811895]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.811954]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.720031] ------------[ cut here ]------------
| [   11.720175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 2/106
| [   11.720287] Modules linked in:
| [   11.720439] Tainted: [W]=WARN
[   11.720499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.720572] Workqueue: events_unbound linkwatch_event
[   11.720642] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.720712] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.720845] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[   11.720915] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   11.721002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b900
[   11.721087] RBP: 0000000000000000 R08: ff38f4c9c331ca90 R09: ff38f4c9c609e034
[   11.721169] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   11.721250] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c189b900
[   11.721333] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   11.721415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.721491] CR2: 00007fd4ef9ef0a0 CR3: 00000000063ef003 CR4: 0000000000771ef0
[   11.721570] PKRU: 55555554
[   11.721622] Call Trace:
[   11.721674]  <TASK>
[   11.721726]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.721786]  netif_state_change (net/core/dev.c:1605)
[   11.721848]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.721907]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.721983]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.722046]  process_one_work (kernel/workqueue.c:3314)
[   11.722114]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.722175]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.722236]  kthread (kernel/kthread.c:436)
[   11.722297]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.722360]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.722422]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.722484]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.407441] ------------[ cut here ]------------
| [   13.407501] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.407575] Modules linked in:
| [   13.407649] Tainted: [W]=WARN
[   13.407671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.407705] Workqueue: netns cleanup_net
[   13.407730] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.407761] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.407854] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.407884] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.407932] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.407972] RBP: 0000000000000000 R08: ff38f4c9c32a1310 R09: ff38f4c9c60a6030
[   13.408010] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[   13.408065] R13: 0000000000000011 R14: ff38f4c9c3e43000 R15: ff38f4c9c189b300
[   13.408114] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.408158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.408194] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.408232] PKRU: 55555554
[   13.408244] Call Trace:
[   13.408260]  <TASK>
[   13.408276]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.408304]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.408325]  cleanup_net (net/core/net_namespace.c:702)
[   13.408346]  process_one_work (kernel/workqueue.c:3314)
[   13.408371]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.408391]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.408411]  kthread (kernel/kthread.c:436)
[   13.408434]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.408457]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.408480]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.408502]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.408636] ------------[ cut here ]------------
| [   13.408669] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.408728] Modules linked in:
| [   13.408808] Tainted: [W]=WARN
[   13.408829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.408861] Workqueue: netns cleanup_net
[   13.408885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.408916] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.409016] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.409045] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.409090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.409127] RBP: 0000000000000000 R08: ff38f4c9c3261050 R09: ff38f4c9c3e3d830
[   13.409165] R10: ff38f4c9c1180120 R11: fefefefefefefeff R12: 0000000000000000
[   13.409218] R13: 0000000000000011 R14: ff38f4c9c1180000 R15: ff38f4c9c189b300
[   13.409262] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.409303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.409337] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.409385] PKRU: 55555554
[   13.409401] Call Trace:
[   13.409414]  <TASK>
[   13.409428]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.409454]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.409480]  cleanup_net (net/core/net_namespace.c:702)
[   13.409500]  process_one_work (kernel/workqueue.c:3314)
[   13.409522]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.409540]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.409561]  kthread (kernel/kthread.c:436)
[   13.409582]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.409608]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.409631]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.409652]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.409767] ------------[ cut here ]------------
| [   13.409794] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.409850] Modules linked in:
| [   13.409921] Tainted: [W]=WARN
[   13.409942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.409977] Workqueue: netns cleanup_net
[   13.409999] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.410031] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.410122] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.410149] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.410185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.410221] RBP: 0000000000000000 R08: ff38f4c9c32dbad0 R09: ff38f4c9c614f034
[   13.410257] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   13.410304] R13: 0000000000000011 R14: ff38f4c9c6145000 R15: ff38f4c9c189b300
[   13.410348] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.410387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.410422] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.410458] PKRU: 55555554
[   13.410473] Call Trace:
[   13.410486]  <TASK>
[   13.410498]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.410535]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.410553]  cleanup_net (net/core/net_namespace.c:702)
[   13.410574]  process_one_work (kernel/workqueue.c:3314)
[   13.410594]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.410613]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.410631]  kthread (kernel/kthread.c:436)
[   13.410653]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.410672]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.410696]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.410718]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.410821] ------------[ cut here ]------------
| [   13.410852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.410910] Modules linked in:
| [   13.410992] Tainted: [W]=WARN
[   13.411012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.411050] Workqueue: netns cleanup_net
[   13.411071] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.411104] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.411194] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.411218] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.411255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.411294] RBP: 0000000000000000 R08: ff38f4c9c18bef10 R09: ff38f4c9c3e38830
[   13.411329] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   13.411368] R13: 0000000000000011 R14: ff38f4c9c3e32000 R15: ff38f4c9c189b300
[   13.411409] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.411450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.411483] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.411524] PKRU: 55555554
[   13.411538] Call Trace:
[   13.411555]  <TASK>
[   13.411569]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.411599]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.411622]  cleanup_net (net/core/net_namespace.c:702)
[   13.411643]  process_one_work (kernel/workqueue.c:3314)
[   13.411664]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.411685]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.411704]  kthread (kernel/kthread.c:436)
[   13.411727]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.411749]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.411771]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.411791]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.411896] ------------[ cut here ]------------
| [   13.411926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.411984] Modules linked in:
| [   13.412056] Tainted: [W]=WARN
[   13.412076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.412116] Workqueue: netns cleanup_net
[   13.412139] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.412165] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.412251] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.412280] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.412320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.412364] RBP: 0000000000000000 R08: ff38f4c9c1904750 R09: ff38f4c9c6128830
[   13.412408] R10: ff38f4c9c3e34120 R11: fefefefefefefeff R12: 0000000000000000
[   13.412455] R13: 0000000000000011 R14: ff38f4c9c3e34000 R15: ff38f4c9c189b300
[   13.412501] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.412542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.412575] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.412614] PKRU: 55555554
[   13.412629] Call Trace:
[   13.412640]  <TASK>
[   13.412657]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.412682]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.412707]  cleanup_net (net/core/net_namespace.c:702)
[   13.412730]  process_one_work (kernel/workqueue.c:3314)
[   13.412751]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.412771]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.412791]  kthread (kernel/kthread.c:436)
[   13.412812]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.412834]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.412854]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.412873]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.421014] ------------[ cut here ]------------
| [   13.421054] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.421111] Modules linked in:
| [   13.421193] Tainted: [W]=WARN
[   13.421215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.421249] Workqueue: netns cleanup_net
[   13.421276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.421302] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.421393] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   13.421417] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.421457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.421499] RBP: 0000000000000000 R08: ff38f4c9c331ca90 R09: ff38f4c9c3e34034
[   13.421535] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   13.421574] R13: 0000000000000010 R14: ff38f4c9c31c2000 R15: ff38f4c9c189b300
[   13.421616] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.421662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.421695] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.421732] PKRU: 55555554
[   13.421753] Call Trace:
[   13.421765]  <TASK>
[   13.421782]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.421802]  netif_close_many (net/core/dev.c:1804)
[   13.421824]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.421852]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.421880]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.421908]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.421928]  cleanup_net (net/core/net_namespace.c:702)
[   13.421951]  process_one_work (kernel/workqueue.c:3314)
[   13.421976]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.421997]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.422018]  kthread (kernel/kthread.c:436)
[   13.422039]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.422060]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.422082]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.422108]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.422194] ------------[ cut here ]------------
| [   13.422226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.422285] Modules linked in:
| [   13.422368] Tainted: [W]=WARN
[   13.422386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.422423] Workqueue: netns cleanup_net
[   13.422444] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.422473] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.422571] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   13.422599] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.422637] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.422675] RBP: 0000000000000000 R08: ff38f4c9c32663d0 R09: ff38f4c9c3e34034
[   13.422716] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   13.422756] R13: 0000000000000010 R14: ff38f4c9c6147000 R15: ff38f4c9c189b300
[   13.422800] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.422844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.422877] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.422917] PKRU: 55555554
[   13.422932] Call Trace:
[   13.422948]  <TASK>
[   13.422966]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.422988]  netif_close_many (net/core/dev.c:1804)
[   13.423010]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.423036]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.423060]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.423097]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.423119]  cleanup_net (net/core/net_namespace.c:702)
[   13.423144]  process_one_work (kernel/workqueue.c:3314)
[   13.423165]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.423186]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.423207]  kthread (kernel/kthread.c:436)
[   13.423228]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.423254]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.423276]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.423298]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.423373] ------------[ cut here ]------------
| [   13.423400] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.423450] Modules linked in:
| [   13.423529] Tainted: [W]=WARN
[   13.423546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.423577] Workqueue: netns cleanup_net
[   13.423598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.423626] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.423711] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   13.423736] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.423781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.423821] RBP: 0000000000000000 R08: ff38f4c9c33b4450 R09: ff38f4c9c3e3402c
[   13.423867] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   13.423905] R13: 0000000000000010 R14: ff38f4c9c1c30000 R15: ff38f4c9c189b300
[   13.423945] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.423990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.424023] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.424065] PKRU: 55555554
[   13.424089] Call Trace:
[   13.424101]  <TASK>
[   13.424114]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.424136]  netif_close_many (net/core/dev.c:1804)
[   13.424158]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.424182]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   13.424216]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.424243]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.424267]  cleanup_net (net/core/net_namespace.c:702)
[   13.424289]  process_one_work (kernel/workqueue.c:3314)
[   13.424311]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.424330]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.424354]  kthread (kernel/kthread.c:436)
[   13.424387]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.424408]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.424439]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.424461]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.424585] ------------[ cut here ]------------
| [   13.424611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.424661] Modules linked in:
| [   13.424737] Tainted: [W]=WARN
[   13.424758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.424790] Workqueue: netns cleanup_net
[   13.424809] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.424837] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.424924] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   13.424953] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.424997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.425037] RBP: 0000000000000000 R08: ff38f4c9c331ca90 R09: ff38f4c9c31f4034
[   13.425079] R10: ff38f4c9c31c2120 R11: fefefefefefefeff R12: 0000000000000000
[   13.425122] R13: 0000000000000011 R14: ff38f4c9c31c2000 R15: ff38f4c9c189b300
[   13.425165] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.425209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.425249] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.425292] PKRU: 55555554
[   13.425307] Call Trace:
[   13.425320]  <TASK>
[   13.425336]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.425362]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.425392]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.425416]  cleanup_net (net/core/net_namespace.c:702)
[   13.425438]  process_one_work (kernel/workqueue.c:3314)
[   13.425457]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.425477]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.425500]  kthread (kernel/kthread.c:436)
[   13.425521]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.425545]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.425566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.425587]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.425703] ------------[ cut here ]------------
| [   13.425732] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.425782] Modules linked in:
| [   13.425852] Tainted: [W]=WARN
[   13.425870] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.425903] Workqueue: netns cleanup_net
[   13.425928] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.425957] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.426074] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   13.426106] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.426147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.426191] RBP: 0000000000000000 R08: ff38f4c9c32663d0 R09: ff38f4c9c3c78834
[   13.426229] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   13.426266] R13: 0000000000000011 R14: ff38f4c9c6147000 R15: ff38f4c9c189b300
[   13.426315] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.426359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.426394] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.426431] PKRU: 55555554
[   13.426445] Call Trace:
[   13.426457]  <TASK>
[   13.426471]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.426496]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.426528]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.426557]  cleanup_net (net/core/net_namespace.c:702)
[   13.426585]  process_one_work (kernel/workqueue.c:3314)
[   13.426611]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.426632]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.426655]  kthread (kernel/kthread.c:436)
[   13.426676]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.426697]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.426719]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.426741]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.426852] ------------[ cut here ]------------
| [   13.426876] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.426941] Modules linked in:
| [   13.427025] Tainted: [W]=WARN
[   13.427042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.427075] Workqueue: netns cleanup_net
[   13.427101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.427128] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.427220] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   13.427247] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.427285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.427326] RBP: 0000000000000000 R08: ff38f4c9c33b4450 R09: ff38f4c9c609382c
[   13.427370] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   13.427409] R13: 0000000000000011 R14: ff38f4c9c1c30000 R15: ff38f4c9c189b300
[   13.427451] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.427493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.427526] CR2: 00007f450efd2574 CR3: 0000000003d79002 CR4: 0000000000771ef0
[   13.427566] PKRU: 55555554
[   13.427580] Call Trace:
[   13.427592]  <TASK>
[   13.427604]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.427632]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.427658]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.427680]  cleanup_net (net/core/net_namespace.c:702)
[   13.427703]  process_one_work (kernel/workqueue.c:3314)
[   13.427724]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.427742]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.427767]  kthread (kernel/kthread.c:436)
[   13.427787]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.427805]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.427824]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.427845]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.432044] ------------[ cut here ]------------
| [   13.432116] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/345
| [   13.432203] Modules linked in:
| [   13.432354] Tainted: [W]=WARN
[   13.432413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.432480] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.432547] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.432679] RSP: 0018:ff6096b0407e7cb8 EFLAGS: 00010286
[   13.432747] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.432826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b900
[   13.432903] RBP: 0000000000000000 R08: ff38f4c9c3296a50 R09: ff38f4c9c3e4002c
[   13.432990] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[   13.433073] R13: 0000000000000010 R14: ff38f4c9c3e43000 R15: ff38f4c9c189b900
[   13.433162] FS:  00007f00dff6f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.433240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.433311] CR2: 00007f00e0176430 CR3: 0000000003e9b006 CR4: 0000000000771ef0
[   13.433390] PKRU: 55555554
[   13.433441] Call Trace:
[   13.433493]  <TASK>
[   13.433545]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.433605]  register_netdevice (net/core/dev.c:11488)
[   13.433665]  register_netdev (net/core/dev.c:11552)
[   13.433725]  loopback_net_init (drivers/net/loopback.c:218)
[   13.433788]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   13.433856]  ops_init (net/core/net_namespace.c:137)
[   13.433917]  setup_net (net/core/net_namespace.c:446)
[   13.433983]  copy_net_ns (net/core/net_namespace.c:579)
[   13.434043]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.434119]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.434188]  ksys_unshare (kernel/fork.c:3243)
[   13.434248]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.434307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.434367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.434435] RIP: 0033:0x7f00e0231bcb
[   13.434494] 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
[   13.434621] RSP: 002b:00007ffcce4f9498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.434699] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f00e0231bcb
[   13.434775] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.434859] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.434939] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcce4fb6c0
[   13.435030] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcce4fd8a1
| [   13.435282] ------------[ cut here ]------------
| [   13.435348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/345
| [   13.435434] Modules linked in:
| [   13.435586] Tainted: [W]=WARN
[   13.435644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.435717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.435783] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.435910] RSP: 0018:ff6096b0407e7c10 EFLAGS: 00010286
[   13.435985] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.436065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c184b700
[   13.436148] RBP: 0000000000000000 R08: ff38f4c9c331c390 R09: ff38f4c9c3079030
[   13.436226] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[   13.436304] R13: 0000000000000010 R14: ff38f4c9c3e40000 R15: ff38f4c9c184b700
[   13.436388] FS:  00007f00dff6f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.436472] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.436543] CR2: 00007f00e0176430 CR3: 0000000003e9b006 CR4: 0000000000771ef0
[   13.436621] PKRU: 55555554
[   13.436670] Call Trace:
[   13.436721]  <TASK>
[   13.436773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.436836]  register_netdevice (net/core/dev.c:11488)
[   13.436897]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.436959]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.437027]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   13.437097]  ops_init (net/core/net_namespace.c:137)
[   13.437158]  setup_net (net/core/net_namespace.c:446)
[   13.437218]  copy_net_ns (net/core/net_namespace.c:579)
[   13.437277]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.437342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.437411]  ksys_unshare (kernel/fork.c:3243)
[   13.437473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.437536]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.437595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.437659] RIP: 0033:0x7f00e0231bcb
[   13.437719] 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
[   13.437845] RSP: 002b:00007ffcce4f9498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.437923] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f00e0231bcb
[   13.438007] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.438083] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.438166] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcce4fb6c0
[   13.438249] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcce4fd8a1
| [   13.438491] ------------[ cut here ]------------
| [   13.438556] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/345
| [   13.438646] Modules linked in:
| [   13.438797] Tainted: [W]=WARN
[   13.438854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.438925] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.439003] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.439138] RSP: 0018:ff6096b0407e7bf0 EFLAGS: 00010286
[   13.439205] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.439285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6500
[   13.439362] RBP: 0000000000000000 R08: ff38f4c9c3202610 R09: ff38f4c9c6133030
[   13.439441] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   13.439518] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c1df6500
[   13.439601] FS:  00007f00dff6f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.439682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.439754] CR2: 00007f00e0176430 CR3: 0000000003e9b006 CR4: 0000000000771ef0
[   13.439837] PKRU: 55555554
[   13.439889] Call Trace:
[   13.439939]  <TASK>
[   13.439995]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.440055]  register_netdevice (net/core/dev.c:11488)
[   13.440121]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.440182]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.440244]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.440304]  ops_init (net/core/net_namespace.c:137)
[   13.440365]  setup_net (net/core/net_namespace.c:446)
[   13.440424]  copy_net_ns (net/core/net_namespace.c:579)
[   13.440484]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.440551]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.440618]  ksys_unshare (kernel/fork.c:3243)
[   13.440680]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.440739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.440796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.440861] RIP: 0033:0x7f00e0231bcb
[   13.440919] 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
[   13.441050] RSP: 002b:00007ffcce4f9498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.441134] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f00e0231bcb
[   13.441210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.441290] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.441365] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcce4fb6c0
[   13.441447] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcce4fd8a1
| [   13.441698] ------------[ cut here ]------------
| [   13.441761] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/345
| [   13.441849] Modules linked in:
| [   13.442009] Tainted: [W]=WARN
[   13.442065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.442144] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.442210] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.442343] RSP: 0018:ff6096b0407e7ca8 EFLAGS: 00010286
[   13.442409] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.442484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8d00
[   13.442559] RBP: 0000000000000000 R08: ff38f4c9c3316210 R09: ff38f4c9c61a2034
[   13.442638] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[   13.442718] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd8d00
[   13.442800] FS:  00007f00dff6f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.442878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.442949] CR2: 00007f00e0176430 CR3: 0000000003e9b006 CR4: 0000000000771ef0
[   13.443037] PKRU: 55555554
[   13.443092] Call Trace:
[   13.443142]  <TASK>
[   13.443192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.443251]  register_netdevice (net/core/dev.c:11488)
[   13.443312]  register_netdev (net/core/dev.c:11552)
[   13.443369]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.443430]  ops_init (net/core/net_namespace.c:137)
[   13.443493]  setup_net (net/core/net_namespace.c:446)
[   13.443556]  copy_net_ns (net/core/net_namespace.c:579)
[   13.443619]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.443688]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.443754]  ksys_unshare (kernel/fork.c:3243)
[   13.443817]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.443878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.443941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.444015] RIP: 0033:0x7f00e0231bcb
[   13.444073] 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
[   13.444218] RSP: 002b:00007ffcce4f9498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.444301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f00e0231bcb
[   13.444382] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.444462] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.444544] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcce4fb6c0
[   13.444621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcce4fd8a1
| [   13.444867] ------------[ cut here ]------------
| [   13.444931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/345
| [   13.445025] Modules linked in:
| [   13.445187] Tainted: [W]=WARN
[   13.445246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.445317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.445384] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.445511] RSP: 0018:ff6096b0407e7ca0 EFLAGS: 00010286
[   13.445576] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.445651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   13.445730] RBP: 0000000000000000 R08: ff38f4c9c331c850 R09: ff38f4c9c613a030
[   13.445808] R10: ff38f4c9c61a2120 R11: fefefefefefefeff R12: 0000000000000000
[   13.445886] R13: 0000000000000010 R14: ff38f4c9c61a2000 R15: ff38f4c9c189ac00
[   13.445972] FS:  00007f00dff6f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.446053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.446135] CR2: 00007f00e0176430 CR3: 0000000003e9b006 CR4: 0000000000771ef0
[   13.446216] PKRU: 55555554
[   13.446267] Call Trace:
[   13.446316]  <TASK>
[   13.446366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.446425]  register_netdevice (net/core/dev.c:11488)
[   13.446483]  register_netdev (net/core/dev.c:11552)
[   13.446540]  sit_init_net (net/ipv6/sit.c:1860)
[   13.446598]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   13.446657]  ops_init (net/core/net_namespace.c:137)
[   13.446717]  setup_net (net/core/net_namespace.c:446)
[   13.446777]  copy_net_ns (net/core/net_namespace.c:579)
[   13.446835]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.446904]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.446979]  ksys_unshare (kernel/fork.c:3243)
[   13.447042]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.447107]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.447168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.447235] RIP: 0033:0x7f00e0231bcb
[   13.447296] 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
[   13.447423] RSP: 002b:00007ffcce4f9498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.447502] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f00e0231bcb
[   13.447580] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.447659] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.447739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcce4fb6c0
[   13.447820] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcce4fd8a1
| [   13.448114] ------------[ cut here ]------------
| [   13.448175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/345
| [   13.448259] Modules linked in:
| [   13.448411] Tainted: [W]=WARN
[   13.448466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.448537] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.448605] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.448729] RSP: 0018:ff6096b0407e7ca8 EFLAGS: 00010286
[   13.448794] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.448867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5c00
[   13.448945] RBP: 0000000000000000 R08: ff38f4c9c3296b50 R09: ff38f4c9c3c8a030
[   13.449028] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[   13.449113] R13: 0000000000000010 R14: ff38f4c9c613a000 R15: ff38f4c9c1df5c00
[   13.449196] FS:  00007f00dff6f840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.449276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.449349] CR2: 00007f00e0176430 CR3: 0000000003e9b006 CR4: 0000000000771ef0
[   13.449427] PKRU: 55555554
[   13.449476] Call Trace:
[   13.449525]  <TASK>
[   13.449577]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.449639]  register_netdevice (net/core/dev.c:11488)
[   13.449700]  register_netdev (net/core/dev.c:11552)
[   13.449762]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.449822]  ops_init (net/core/net_namespace.c:137)
[   13.449883]  setup_net (net/core/net_namespace.c:446)
[   13.449945]  copy_net_ns (net/core/net_namespace.c:579)
[   13.450014]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.450082]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.450153]  ksys_unshare (kernel/fork.c:3243)
[   13.450215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.450274]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.450333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.450400] RIP: 0033:0x7f00e0231bcb
[   13.450461] 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
[   13.450590] RSP: 002b:00007ffcce4f9498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.450668] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f00e0231bcb
[   13.450744] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.450821] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.450900] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcce4fb6c0
[   13.450983] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcce4fd8a1
| [   13.454462] ------------[ cut here ]------------
| [   13.454500] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/346
| [   13.454553] Modules linked in:
| [   13.454629] Tainted: [W]=WARN
[   13.454650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.454682] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.454714] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.454795] RSP: 0018:ff6096b0407ef720 EFLAGS: 00010286
[   13.454824] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   13.454872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   13.454914] RBP: 0000000000000000 R08: ff38f4c9c3296a50 R09: ff38f4c9c3c7702c
[   13.454953] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[   13.455000] R13: 0000000000000010 R14: ff38f4c9c3e43000 R15: ff38f4c9c3cd4c00
[   13.455043] FS:  00007fa1a8b3c840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   13.455091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.455126] CR2: 0000000001acc988 CR3: 0000000006e2b002 CR4: 0000000000771ef0
[   13.455172] PKRU: 55555554
[   13.455186] Call Trace:
[   13.455199]  <TASK>
[   13.455215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.455237]  __dev_notify_flags (net/core/dev.c:9787)
[   13.455258]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   13.455280]  netif_change_flags (net/core/dev.c:9820)
[   13.455302]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.455326]  ? __nla_validate_parse (lib/nlattr.c:620)
[   13.455356]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   13.455378]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   13.455400]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.455427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.455448]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   13.455471]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.455501]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.455522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.455546]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.455571]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.455594]  ___sys_sendmsg (net/socket.c:2752)
[   13.455615]  __sys_sendmsg (net/socket.c:2784)
[   13.455634]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.455655]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.455680] RIP: 0033:0x7fa1a8d7608e
[   13.455703] 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
[   13.455795] RSP: 002b:00007ffc8a683d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.455836] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa1a8d7608e
[   13.455875] RDX: 0000000000000000 RSI: 00007ffc8a683df0 RDI: 0000000000000005
[   13.455910] RBP: 00007ffc8a683d50 R08: 0000000000000000 R09: 0000000000000000
[   13.455951] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e733
[   13.455992] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8a6844c0
| [   13.470056] ------------[ cut here ]------------
| [   13.470114] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.470180] Modules linked in:
| [   13.470262] Tainted: [W]=WARN
[   13.470285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.470322] Workqueue: netns cleanup_net
[   13.470346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.470372] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.470472] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.470504] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.470544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.470588] RBP: 0000000000000000 R08: ff38f4c9c32c6690 R09: ff38f4c9c60ae830
[   13.470632] R10: ff38f4c9c31c5120 R11: fefefefefefefeff R12: 0000000000000000
[   13.470674] R13: 0000000000000011 R14: ff38f4c9c31c5000 R15: ff38f4c9c189b300
[   13.470720] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.470765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.470798] CR2: 00007fe748e54000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   13.470839] PKRU: 55555554
[   13.470857] Call Trace:
[   13.470870]  <TASK>
[   13.470888]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.470919]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.470942]  cleanup_net (net/core/net_namespace.c:702)
[   13.470969]  process_one_work (kernel/workqueue.c:3314)
[   13.470992]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.471013]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.471032]  kthread (kernel/kthread.c:436)
[   13.471053]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.471077]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.471109]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.471130]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.471247] ------------[ cut here ]------------
| [   13.471273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.471325] Modules linked in:
| [   13.471401] Tainted: [W]=WARN
[   13.471421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.471458] Workqueue: netns cleanup_net
[   13.471479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.471507] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.471604] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.471635] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.471676] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.471719] RBP: 0000000000000000 R08: ff38f4c9c32c6790 R09: ff38f4c9c13d4830
[   13.471755] R10: ff38f4c9c613c120 R11: fefefefefefefeff R12: 0000000000000000
[   13.471798] R13: 0000000000000011 R14: ff38f4c9c613c000 R15: ff38f4c9c189b300
[   13.471843] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.471887] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.471922] CR2: 00007fe748e54000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   13.471978] PKRU: 55555554
[   13.471991] Call Trace:
[   13.472005]  <TASK>
[   13.472018]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.472050]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.472073]  cleanup_net (net/core/net_namespace.c:702)
[   13.472101]  process_one_work (kernel/workqueue.c:3314)
[   13.472124]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.472149]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.472171]  kthread (kernel/kthread.c:436)
[   13.472194]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.472218]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.472238]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.472258]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.472368] ------------[ cut here ]------------
| [   13.472398] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.472455] Modules linked in:
| [   13.472540] Tainted: [W]=WARN
[   13.472560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.472596] Workqueue: netns cleanup_net
[   13.472619] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.472650] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.472741] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.472767] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.472806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.472846] RBP: 0000000000000000 R08: ff38f4c9c32c6890 R09: ff38f4c9c13d5034
[   13.472886] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   13.472926] R13: 0000000000000011 R14: ff38f4c9c3e36000 R15: ff38f4c9c189b300
[   13.472969] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.473009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.473047] CR2: 00007fe748e54000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   13.473092] PKRU: 55555554
[   13.473107] Call Trace:
[   13.473119]  <TASK>
[   13.473132]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.473159]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.473179]  cleanup_net (net/core/net_namespace.c:702)
[   13.473199]  process_one_work (kernel/workqueue.c:3314)
[   13.473219]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.473239]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.473259]  kthread (kernel/kthread.c:436)
[   13.473279]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.473299]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.473321]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.473344]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.473438] ------------[ cut here ]------------
| [   13.473463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.473520] Modules linked in:
| [   13.473597] Tainted: [W]=WARN
[   13.473618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.473652] Workqueue: netns cleanup_net
[   13.473671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.473700] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.473812] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.473835] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.473875] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.473914] RBP: 0000000000000000 R08: ff38f4c9c18f7bd0 R09: ff38f4c9c305f830
[   13.473958] R10: ff38f4c9c3e37120 R11: fefefefefefefeff R12: 0000000000000000
[   13.474001] R13: 0000000000000011 R14: ff38f4c9c3e37000 R15: ff38f4c9c189b300
[   13.474043] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.474082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.474117] CR2: 00007fe748e54000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   13.474159] PKRU: 55555554
[   13.474172] Call Trace:
[   13.474186]  <TASK>
[   13.474204]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.474234]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.474256]  cleanup_net (net/core/net_namespace.c:702)
[   13.474275]  process_one_work (kernel/workqueue.c:3314)
[   13.474296]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.474316]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.474339]  kthread (kernel/kthread.c:436)
[   13.474361]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.474384]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.474405]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.474428]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.474524] ------------[ cut here ]------------
| [   13.474577] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.474636] Modules linked in:
| [   13.474711] Tainted: [W]=WARN
[   13.474732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.474765] Workqueue: netns cleanup_net
[   13.474787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.474819] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.474915] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   13.474944] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.474989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.475032] RBP: 0000000000000000 R08: ff38f4c9c32db050 R09: ff38f4c9c3e3c830
[   13.475072] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   13.475119] R13: 0000000000000011 R14: ff38f4c9c31c0000 R15: ff38f4c9c189b300
[   13.475163] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.475208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.475242] CR2: 00007fe748e54000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   13.475285] PKRU: 55555554
[   13.475301] Call Trace:
[   13.475314]  <TASK>
[   13.475329]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.475359]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.475380]  cleanup_net (net/core/net_namespace.c:702)
[   13.475399]  process_one_work (kernel/workqueue.c:3314)
[   13.475420]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.475445]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.475471]  kthread (kernel/kthread.c:436)
[   13.475493]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.475517]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.475544]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.475565]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.482000] ------------[ cut here ]------------
| [   13.482035] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.482094] Modules linked in:
| [   13.482175] Tainted: [W]=WARN
[   13.482196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.482229] Workqueue: netns cleanup_net
[   13.482252] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.482279] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.482371] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   13.482399] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.482441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.482482] RBP: 0000000000000000 R08: ff38f4c9c32fae90 R09: ff38f4c9c31c002c
[   13.482523] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   13.482567] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c189b300
[   13.482606] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.482648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.482680] CR2: 00007f43ea707574 CR3: 000000002d847002 CR4: 0000000000771ef0
[   13.482718] PKRU: 55555554
[   13.482733] Call Trace:
[   13.482748]  <TASK>
[   13.482763]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.482784]  netif_close_many (net/core/dev.c:1804)
[   13.482806]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.482834]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   13.482856]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.482884]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.482905]  cleanup_net (net/core/net_namespace.c:702)
[   13.482926]  process_one_work (kernel/workqueue.c:3314)
[   13.482947]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.482978]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.482999]  kthread (kernel/kthread.c:436)
[   13.483021]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.483047]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.483069]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.483095]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.483237] ------------[ cut here ]------------
| [   13.483267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   13.483332] Modules linked in:
| [   13.483408] Tainted: [W]=WARN
[   13.483427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.483459] Workqueue: netns cleanup_net
[   13.483478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.483508] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.483601] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   13.483629] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.483668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.483707] RBP: 0000000000000000 R08: ff38f4c9c32fae90 R09: ff38f4c9c612b82c
[   13.483749] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   13.483789] R13: 0000000000000011 R14: ff38f4c9c3e33000 R15: ff38f4c9c189b300
[   13.483830] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.483870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.483903] CR2: 00007f43ea707574 CR3: 000000002d847002 CR4: 0000000000771ef0
[   13.483942] PKRU: 55555554
[   13.483956] Call Trace:
[   13.483973]  <TASK>
[   13.483987]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.484018]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.484045]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.484066]  cleanup_net (net/core/net_namespace.c:702)
[   13.484090]  process_one_work (kernel/workqueue.c:3314)
[   13.484112]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.484136]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.484158]  kthread (kernel/kthread.c:436)
[   13.484180]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.484203]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.484224]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.484246]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.485782] ------------[ cut here ]------------
| [   13.485843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/354
| [   13.485928] Modules linked in:
| [   13.486093] Tainted: [W]=WARN
[   13.486154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.486228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.486298] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.486420] RSP: 0018:ff6096b040817cb8 EFLAGS: 00010286
[   13.486488] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.486566] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4900
[   13.486643] RBP: 0000000000000000 R08: ff38f4c9c3d0c0d0 R09: ff38f4c9c1c3302c
[   13.486718] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   13.486797] R13: 0000000000000010 R14: ff38f4c9c609b000 R15: ff38f4c9c3cd4900
[   13.486875] FS:  00007f8b82b14840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.486956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.487032] CR2: 00007f8b82d20690 CR3: 0000000006242005 CR4: 0000000000771ef0
[   13.487120] PKRU: 55555554
[   13.487171] Call Trace:
[   13.487221]  <TASK>
[   13.487273]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.487337]  register_netdevice (net/core/dev.c:11488)
[   13.487399]  register_netdev (net/core/dev.c:11552)
[   13.487462]  loopback_net_init (drivers/net/loopback.c:218)
[   13.487526]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   13.487595]  ops_init (net/core/net_namespace.c:137)
[   13.487657]  setup_net (net/core/net_namespace.c:446)
[   13.487721]  copy_net_ns (net/core/net_namespace.c:579)
[   13.487783]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.487851]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.487920]  ksys_unshare (kernel/fork.c:3243)
[   13.487991]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.488051]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.488121]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.488188] RIP: 0033:0x7f8b82dd6bcb
[   13.488251] 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
[   13.488376] RSP: 002b:00007ffdda3aa528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.488455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b82dd6bcb
[   13.488532] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.488608] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.488687] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda3ac750
[   13.488762] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda3ad89f
| [   13.489003] ------------[ cut here ]------------
| [   13.489064] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/354
| [   13.489154] Modules linked in:
| [   13.489307] Tainted: [W]=WARN
[   13.489365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.489436] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.489505] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.489628] RSP: 0018:ff6096b040817c10 EFLAGS: 00010286
[   13.489696] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.489773] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b900
[   13.489850] RBP: 0000000000000000 R08: ff38f4c9c3390a10 R09: ff38f4c9c612c830
[   13.489927] R10: ff38f4c9c1c33120 R11: fefefefefefefeff R12: 0000000000000000
[   13.490014] R13: 0000000000000010 R14: ff38f4c9c1c33000 R15: ff38f4c9c189b900
[   13.490102] FS:  00007f8b82b14840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.490182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.490254] CR2: 00007f8b82d20690 CR3: 0000000006242005 CR4: 0000000000771ef0
[   13.490336] PKRU: 55555554
[   13.490389] Call Trace:
[   13.490440]  <TASK>
[   13.490489]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.490547]  register_netdevice (net/core/dev.c:11488)
[   13.490607]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.490667]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.490724]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   13.490782]  ops_init (net/core/net_namespace.c:137)
[   13.490844]  setup_net (net/core/net_namespace.c:446)
[   13.490900]  copy_net_ns (net/core/net_namespace.c:579)
[   13.490970]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.491035]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.491107]  ksys_unshare (kernel/fork.c:3243)
[   13.491171]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.491231]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.491289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.491354] RIP: 0033:0x7f8b82dd6bcb
[   13.491413] 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
[   13.491535] RSP: 002b:00007ffdda3aa528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.491615] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b82dd6bcb
[   13.491692] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.491770] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.491848] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda3ac750
[   13.491933] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda3ad89f
| [   13.492183] ------------[ cut here ]------------
| [   13.492252] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/354
| [   13.492351] Modules linked in:
| [   13.492501] Tainted: [W]=WARN
[   13.492560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.492632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.492700] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.492826] RSP: 0018:ff6096b040817bf0 EFLAGS: 00010286
[   13.492894] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.492980] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c184b700
[   13.493059] RBP: 0000000000000000 R08: ff38f4c9c33b4a90 R09: ff38f4c9c307d030
[   13.493148] R10: ff38f4c9c613f120 R11: fefefefefefefeff R12: 0000000000000000
[   13.493228] R13: 0000000000000010 R14: ff38f4c9c613f000 R15: ff38f4c9c184b700
[   13.493308] FS:  00007f8b82b14840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.493389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.493455] CR2: 00007f8b82d20690 CR3: 0000000006242005 CR4: 0000000000771ef0
[   13.493532] PKRU: 55555554
[   13.493582] Call Trace:
[   13.493633]  <TASK>
[   13.493686]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.493745]  register_netdevice (net/core/dev.c:11488)
[   13.493808]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.493866]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.493923]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.493990]  ops_init (net/core/net_namespace.c:137)
[   13.494046]  setup_net (net/core/net_namespace.c:446)
[   13.494117]  copy_net_ns (net/core/net_namespace.c:579)
[   13.494177]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.494243]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.494312]  ksys_unshare (kernel/fork.c:3243)
[   13.494374]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.494433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.494493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.494561] RIP: 0033:0x7f8b82dd6bcb
[   13.494619] 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
[   13.494744] RSP: 002b:00007ffdda3aa528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.494820] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b82dd6bcb
[   13.494896] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.494978] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.495054] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda3ac750
[   13.495138] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda3ad89f
| [   13.495388] ------------[ cut here ]------------
| [   13.495449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/354
| [   13.495535] Modules linked in:
| [   13.495684] Tainted: [W]=WARN
[   13.495744] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.495813] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.495881] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.496020] RSP: 0018:ff6096b040817ca8 EFLAGS: 00010286
[   13.496096] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.496177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6400
[   13.496255] RBP: 0000000000000000 R08: ff38f4c9c32c6210 R09: ff38f4c9c6146034
[   13.496334] R10: ff38f4c9c3e41120 R11: fefefefefefefeff R12: 0000000000000000
[   13.496412] R13: 0000000000000010 R14: ff38f4c9c3e41000 R15: ff38f4c9c1df6400
[   13.496494] FS:  00007f8b82b14840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.496571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.496642] CR2: 00007f8b82d20690 CR3: 0000000006242005 CR4: 0000000000771ef0
[   13.496720] PKRU: 55555554
[   13.496771] Call Trace:
[   13.496822]  <TASK>
[   13.496874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.496937]  register_netdevice (net/core/dev.c:11488)
[   13.497005]  register_netdev (net/core/dev.c:11552)
[   13.497066]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.497133]  ops_init (net/core/net_namespace.c:137)
[   13.497192]  setup_net (net/core/net_namespace.c:446)
[   13.497251]  copy_net_ns (net/core/net_namespace.c:579)
[   13.497314]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.497384]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.497449]  ksys_unshare (kernel/fork.c:3243)
[   13.497512]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.497574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.497636]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.497705] RIP: 0033:0x7f8b82dd6bcb
[   13.497765] 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
[   13.497892] RSP: 002b:00007ffdda3aa528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.497977] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b82dd6bcb
[   13.498053] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.498139] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.498219] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda3ac750
[   13.498297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda3ad89f
| [   13.498546] ------------[ cut here ]------------
| [   13.498612] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/354
| [   13.498694] Modules linked in:
| [   13.498843] Tainted: [W]=WARN
[   13.498903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.498982] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.499047] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.499179] RSP: 0018:ff6096b040817ca0 EFLAGS: 00010286
[   13.499246] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.499324] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b100
[   13.499403] RBP: 0000000000000000 R08: ff38f4c9c331cad0 R09: ff38f4c9c3e37030
[   13.499481] R10: ff38f4c9c6146120 R11: fefefefefefefeff R12: 0000000000000000
[   13.499559] R13: 0000000000000010 R14: ff38f4c9c6146000 R15: ff38f4c9c189b100
[   13.499637] FS:  00007f8b82b14840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.499717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.499788] CR2: 00007f8b82d20690 CR3: 0000000006242005 CR4: 0000000000771ef0
[   13.499862] PKRU: 55555554
[   13.499912] Call Trace:
[   13.499970]  <TASK>
[   13.500022]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.500081]  register_netdevice (net/core/dev.c:11488)
[   13.500146]  register_netdev (net/core/dev.c:11552)
[   13.500208]  sit_init_net (net/ipv6/sit.c:1860)
[   13.500272]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   13.500332]  ops_init (net/core/net_namespace.c:137)
[   13.500394]  setup_net (net/core/net_namespace.c:446)
[   13.500457]  copy_net_ns (net/core/net_namespace.c:579)
[   13.500519]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.500586]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.500655]  ksys_unshare (kernel/fork.c:3243)
[   13.500745]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.500804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.500862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.500925] RIP: 0033:0x7f8b82dd6bcb
[   13.500987] 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
[   13.501126] RSP: 002b:00007ffdda3aa528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.501201] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b82dd6bcb
[   13.501276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.501352] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.501431] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda3ac750
[   13.501509] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda3ad89f
| [   13.501750] ------------[ cut here ]------------
| [   13.501813] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/354
| [   13.501897] Modules linked in:
| [   13.502047] Tainted: [W]=WARN
[   13.502107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.502175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.502237] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.502364] RSP: 0018:ff6096b040817ca8 EFLAGS: 00010286
[   13.502426] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.502500] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   13.502575] RBP: 0000000000000000 R08: ff38f4c9c322ba90 R09: ff38f4c9c613e030
[   13.502650] R10: ff38f4c9c3e37120 R11: fefefefefefefeff R12: 0000000000000000
[   13.502726] R13: 0000000000000010 R14: ff38f4c9c3e37000 R15: ff38f4c9c189ac00
[   13.502804] FS:  00007f8b82b14840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.502882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.502949] CR2: 00007f8b82d20690 CR3: 0000000006242005 CR4: 0000000000771ef0
[   13.503031] PKRU: 55555554
[   13.503094] Call Trace:
[   13.503146]  <TASK>
[   13.503196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.503256]  register_netdevice (net/core/dev.c:11488)
[   13.503317]  register_netdev (net/core/dev.c:11552)
[   13.503378]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.503438]  ops_init (net/core/net_namespace.c:137)
[   13.503494]  setup_net (net/core/net_namespace.c:446)
[   13.503557]  copy_net_ns (net/core/net_namespace.c:579)
[   13.503618]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.503686]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.503751]  ksys_unshare (kernel/fork.c:3243)
[   13.503811]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.503873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.503936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.504010] RIP: 0033:0x7f8b82dd6bcb
[   13.504068] 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
[   13.504200] RSP: 002b:00007ffdda3aa528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   13.504281] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8b82dd6bcb
[   13.504360] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.504439] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.504517] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdda3ac750
[   13.504591] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdda3ad89f
| [   13.507879] ------------[ cut here ]------------
| [   13.507911] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   13.507959] Modules linked in:
| [   13.508037] Tainted: [W]=WARN
[   13.508055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.508089] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.508117] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.508207] RSP: 0018:ff6096b04081f720 EFLAGS: 00010286
[   13.508235] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   13.508271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.508312] RBP: 0000000000000000 R08: ff38f4c9c3d0c0d0 R09: ff38f4c9c613b02c
[   13.508350] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   13.508391] R13: 0000000000000010 R14: ff38f4c9c609b000 R15: ff38f4c9c189b300
[   13.508433] FS:  00007f10c0c27840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.508475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.508507] CR2: 000000003c5df988 CR3: 0000000006e67004 CR4: 0000000000771ef0
[   13.508552] PKRU: 55555554
[   13.508567] Call Trace:
[   13.508580]  <TASK>
[   13.508595]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.508617]  __dev_notify_flags (net/core/dev.c:9787)
[   13.508639]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   13.508659]  netif_change_flags (net/core/dev.c:9820)
[   13.508684]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.508706]  ? __nla_validate_parse (lib/nlattr.c:620)
[   13.508735]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   13.508758]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   13.508784]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.508811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.508832]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   13.508854]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.508881]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.508903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.508928]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.508952]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.508980]  ___sys_sendmsg (net/socket.c:2752)
[   13.509003]  __sys_sendmsg (net/socket.c:2784)
[   13.509025]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.509045]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.509077] RIP: 0033:0x7f10c0e6108e
[   13.509103] 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
[   13.509198] RSP: 002b:00007ffd97d50800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.509239] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f10c0e6108e
[   13.509278] RDX: 0000000000000000 RSI: 00007ffd97d508b0 RDI: 0000000000000005
[   13.509318] RBP: 00007ffd97d50810 R08: 0000000000000000 R09: 0000000000000000
[   13.509359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e733
[   13.509401] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd97d50f80
| [   13.520947] ------------[ cut here ]------------
| [   13.521029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/358
| [   13.521130] Modules linked in:
| [   13.521282] Tainted: [W]=WARN
[   13.521341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.521413] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.521476] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.521601] RSP: 0018:ff6096b04082f5f0 EFLAGS: 00010286
[   13.521669] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.521745] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8900
[   13.521821] RBP: 0000000000000000 R08: ff38f4c9c331c0d0 R09: ff38f4c9c3c74034
[   13.521894] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   13.522004] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c3cd8900
[   13.522094] FS:  00007f65943df840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.522182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.522254] CR2: 00000000004eb188 CR3: 0000000001dd7004 CR4: 0000000000771ef0
[   13.522335] PKRU: 55555554
[   13.522383] Call Trace:
[   13.522432]  <TASK>
[   13.522481]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.522538]  __dev_notify_flags (net/core/dev.c:9787)
[   13.522595]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.522653]  veth_newlink (drivers/net/veth.c:1871)
[   13.522713]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   13.522771]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.522837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.522894]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   13.522969]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.523031]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.523633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.523690]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.523751]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.523813]  ___sys_sendmsg (net/socket.c:2752)
[   13.523876]  __sys_sendmsg (net/socket.c:2784)
[   13.523933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.523995]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.524064] RIP: 0033:0x7f659461908e
[   13.524132] 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
[   13.524261] RSP: 002b:00007fff40aea570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.524337] RAX: ffffffffffffffda RBX: 00007fff40aead20 RCX: 00007f659461908e
[   13.524419] RDX: 0000000000000000 RSI: 00007fff40aea620 RDI: 0000000000000005
[   13.524496] RBP: 00007fff40aea580 R08: 0000000000000000 R09: 0000000000000000
[   13.524578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e733
[   13.524654] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff40aeacf8
| [   13.524957] ------------[ cut here ]------------
| [   13.525032] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/358
| [   13.525128] Modules linked in:
| [   13.525278] Tainted: [W]=WARN
[   13.525340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.525414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.525481] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.525609] RSP: 0018:ff6096b04082f870 EFLAGS: 00010286
[   13.525672] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.525749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8900
[   13.525826] RBP: 0000000000000000 R08: ff38f4c9c32fac10 R09: ff38f4c9c1c30034
[   13.525905] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   13.525991] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c3cd8900
[   13.526071] FS:  00007f65943df840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.526157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.526230] CR2: 00000000004eb188 CR3: 0000000001dd7004 CR4: 0000000000771ef0
[   13.526310] PKRU: 55555554
[   13.526362] Call Trace:
[   13.526413]  <TASK>
[   13.526461]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.526522]  __dev_notify_flags (net/core/dev.c:9787)
[   13.526587]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.526651]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   13.526711]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.526781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.526842]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   13.526912]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.526981]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.527043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.527112]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.527176]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.527238]  ___sys_sendmsg (net/socket.c:2752)
[   13.527301]  __sys_sendmsg (net/socket.c:2784)
[   13.527358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.527418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.527488] RIP: 0033:0x7f659461908e
[   13.527547] 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
[   13.527672] RSP: 002b:00007fff40aea570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.527751] RAX: ffffffffffffffda RBX: 00007fff40aead20 RCX: 00007f659461908e
[   13.527830] RDX: 0000000000000000 RSI: 00007fff40aea620 RDI: 0000000000000005
[   13.527907] RBP: 00007fff40aea580 R08: 0000000000000000 R09: 0000000000000000
[   13.527991] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e733
[   13.528070] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff40aeacf8
| [   13.560936] ------------[ cut here ]------------
| [   13.560982] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/367
| [   13.561034] Modules linked in:
| [   13.561112] Tainted: [W]=WARN
[   13.561132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.561170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.561196] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.561294] RSP: 0018:ff6096b04085f720 EFLAGS: 00010286
[   13.561321] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   13.561368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.561408] RBP: 0000000000000000 R08: ff38f4c9c32fac10 R09: ff38f4c9c613b034
[   13.561447] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   13.561490] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c189b300
[   13.561534] FS:  00007fe33ea17840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.561577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.561612] CR2: 00000000070fe988 CR3: 0000000003d91003 CR4: 0000000000771ef0
[   13.561652] PKRU: 55555554
[   13.561667] Call Trace:
[   13.561680]  <TASK>
[   13.561694]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.561719]  __dev_notify_flags (net/core/dev.c:9787)
[   13.561743]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   13.561767]  netif_change_flags (net/core/dev.c:9820)
[   13.561790]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.561812]  ? __nla_validate_parse (lib/nlattr.c:620)
[   13.561840]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   13.561865]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   13.561889]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.561916]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.561941]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   13.561976]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.562007]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.562030]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.562054]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.562075]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.562103]  ___sys_sendmsg (net/socket.c:2752)
[   13.562126]  __sys_sendmsg (net/socket.c:2784)
[   13.562151]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.562177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.562207] RIP: 0033:0x7fe33ec5108e
[   13.562230] 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
[   13.562322] RSP: 002b:00007ffc90bc03e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.562366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe33ec5108e
[   13.562408] RDX: 0000000000000000 RSI: 00007ffc90bc0490 RDI: 0000000000000005
[   13.562448] RBP: 00007ffc90bc03f0 R08: 0000000000000000 R09: 0000000000000000
[   13.562488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e733
[   13.562529] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc90bc0b68
| [   13.565665] ------------[ cut here ]------------
| [   13.565731] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/368
| [   13.565817] Modules linked in:
| [   13.565978] Tainted: [W]=WARN
[   13.566039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.566117] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.566186] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.566308] RSP: 0018:ff6096b040867720 EFLAGS: 00010286
[   13.566373] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   13.566456] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8900
[   13.566535] RBP: 0000000000000000 R08: ff38f4c9c331c0d0 R09: ff38f4c9c1c30034
[   13.566610] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   13.566689] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c3cd8900
[   13.566769] FS:  00007fdde7c4b840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   13.566848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.566922] CR2: 0000000027c08988 CR3: 00000000063cb001 CR4: 0000000000771ef0
[   13.567009] PKRU: 55555554
[   13.567061] Call Trace:
[   13.567119]  <TASK>
[   13.567172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.567236]  __dev_notify_flags (net/core/dev.c:9787)
[   13.567295]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   13.567357]  netif_change_flags (net/core/dev.c:9820)
[   13.567421]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.567485]  ? __nla_validate_parse (lib/nlattr.c:620)
[   13.567555]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   13.567619]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   13.567683]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.567753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.567817]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   13.567878]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.567944]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.568016]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.568077]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.568144]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.568215]  ___sys_sendmsg (net/socket.c:2752)
[   13.568285]  __sys_sendmsg (net/socket.c:2784)
[   13.568349]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.568414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.568481] RIP: 0033:0x7fdde7e8508e
[   13.568547] 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
[   13.568689] RSP: 002b:00007ffd2bf80b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.568769] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdde7e8508e
[   13.568853] RDX: 0000000000000000 RSI: 00007ffd2bf80c00 RDI: 0000000000000005
[   13.568938] RBP: 00007ffd2bf80b60 R08: 0000000000000000 R09: 0000000000000000
[   13.569032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e733
[   13.569121] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2bf812d8
| [   13.569362] ------------[ cut here ]------------
| [   13.569396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 2/106
| [   13.569447] Modules linked in:
| [   13.569524] Tainted: [W]=WARN
[   13.569547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.569583] Workqueue: events_unbound linkwatch_event
[   13.569612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.569641] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.569735] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[   13.569762] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   13.569805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   13.569847] RBP: 0000000000000000 R08: ff38f4c9c32fac10 R09: ff38f4c9c613b034
[   13.569888] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   13.569928] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c189b300
[   13.569977] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   13.570019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.570053] CR2: 00007fe33eae4574 CR3: 000000002d847004 CR4: 0000000000771ef0
[   13.570098] PKRU: 55555554
[   13.570114] Call Trace:
[   13.570128]  <TASK>
[   13.570143]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.570170]  netif_state_change (net/core/dev.c:1605)
[   13.570191]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.570215]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.570242]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.570263]  process_one_work (kernel/workqueue.c:3314)
[   13.570284]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.570303]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.570326]  kthread (kernel/kthread.c:436)
[   13.570347]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.570368]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.570391]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.570413]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.472026] ------------[ cut here ]------------
| [   14.472123] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/36
| [   14.472227] Modules linked in:
| [   14.472315] Tainted: [W]=WARN
[   14.472341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.472379] Workqueue: events_unbound linkwatch_event
[   14.472410] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.472441] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.472540] RSP: 0018:ff6096b04014bd50 EFLAGS: 00010286
[   14.472572] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   14.472616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   14.472656] RBP: 0000000000000000 R08: ff38f4c9c331c0d0 R09: ff38f4c9c613b034
[   14.472697] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   14.472738] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c189b300
[   14.472776] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   14.472824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.472862] CR2: 00005628ad9ed028 CR3: 000000002d847004 CR4: 0000000000771ef0
[   14.472899] PKRU: 55555554
[   14.472914] Call Trace:
[   14.472930]  <TASK>
[   14.472946]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.472975]  netif_state_change (net/core/dev.c:1605)
[   14.473001]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   14.473023]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   14.473053]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   14.473074]  process_one_work (kernel/workqueue.c:3314)
[   14.473101]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.473122]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.473146]  kthread (kernel/kthread.c:436)
[   14.473170]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.473192]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.473217]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.473236]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.595502] ------------[ cut here ]------------
| [   15.595561] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.595627] Modules linked in:
| [   15.595712] Tainted: [W]=WARN
[   15.595731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.595768] Workqueue: netns cleanup_net
[   15.595794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.595822] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.595919] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.595951] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.596004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.596057] RBP: 0000000000000000 R08: ff38f4c9c3296b50 R09: ff38f4c9c305d030
[   15.596104] R10: ff38f4c9c613a120 R11: fefefefefefefeff R12: 0000000000000000
[   15.596144] R13: 0000000000000011 R14: ff38f4c9c613a000 R15: ff38f4c9c189b300
[   15.596189] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.596230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.596266] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.596309] PKRU: 55555554
[   15.596325] Call Trace:
[   15.596339]  <TASK>
[   15.596354]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.596383]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.596408]  cleanup_net (net/core/net_namespace.c:702)
[   15.596432]  process_one_work (kernel/workqueue.c:3314)
[   15.596457]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.596482]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.596502]  kthread (kernel/kthread.c:436)
[   15.596524]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.596545]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.596571]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.596591]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.596733] ------------[ cut here ]------------
| [   15.596786] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.596849] Modules linked in:
| [   15.596929] Tainted: [W]=WARN
[   15.596949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.596986] Workqueue: netns cleanup_net
[   15.597014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.597039] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.597143] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.597172] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.597218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.597258] RBP: 0000000000000000 R08: ff38f4c9c331c850 R09: ff38f4c9c60a0830
[   15.597290] R10: ff38f4c9c61a2120 R11: fefefefefefefeff R12: 0000000000000000
[   15.597333] R13: 0000000000000011 R14: ff38f4c9c61a2000 R15: ff38f4c9c189b300
[   15.597382] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.597422] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.597458] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.597504] PKRU: 55555554
[   15.597519] Call Trace:
[   15.597533]  <TASK>
[   15.597552]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.597584]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.597610]  cleanup_net (net/core/net_namespace.c:702)
[   15.597635]  process_one_work (kernel/workqueue.c:3314)
[   15.597653]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.597673]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.597694]  kthread (kernel/kthread.c:436)
[   15.597712]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.597735]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.597759]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.597788]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.597909] ------------[ cut here ]------------
| [   15.597938] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.598000] Modules linked in:
| [   15.598073] Tainted: [W]=WARN
[   15.598099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.598137] Workqueue: netns cleanup_net
[   15.598160] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.598187] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.598286] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.598314] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.598354] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.598397] RBP: 0000000000000000 R08: ff38f4c9c3316210 R09: ff38f4c9c3e3d834
[   15.598438] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[   15.598474] R13: 0000000000000011 R14: ff38f4c9c3e30000 R15: ff38f4c9c189b300
[   15.598520] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.598555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.598589] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.598634] PKRU: 55555554
[   15.598651] Call Trace:
[   15.598663]  <TASK>
[   15.598675]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.598703]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.598724]  cleanup_net (net/core/net_namespace.c:702)
[   15.598750]  process_one_work (kernel/workqueue.c:3314)
[   15.598772]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.598791]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.598807]  kthread (kernel/kthread.c:436)
[   15.598833]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.598854]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.598877]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.598898]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.599005] ------------[ cut here ]------------
| [   15.599034] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.599099] Modules linked in:
| [   15.599172] Tainted: [W]=WARN
[   15.599189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.599222] Workqueue: netns cleanup_net
[   15.599249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.599276] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.599373] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.599395] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.599434] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.599473] RBP: 0000000000000000 R08: ff38f4c9c3202610 R09: ff38f4c9c6128830
[   15.599517] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   15.599562] R13: 0000000000000011 R14: ff38f4c9c609a000 R15: ff38f4c9c189b300
[   15.599606] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.599645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.599680] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.599722] PKRU: 55555554
[   15.599736] Call Trace:
[   15.599750]  <TASK>
[   15.599762]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.599790]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.599809]  cleanup_net (net/core/net_namespace.c:702)
[   15.599827]  process_one_work (kernel/workqueue.c:3314)
[   15.599851]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.599876]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.599902]  kthread (kernel/kthread.c:436)
[   15.599924]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.599949]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.599973]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.599992]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.600099] ------------[ cut here ]------------
| [   15.600129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.600182] Modules linked in:
| [   15.600267] Tainted: [W]=WARN
[   15.600298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.600334] Workqueue: netns cleanup_net
[   15.600359] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.600387] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.600484] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.600518] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.600564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.600604] RBP: 0000000000000000 R08: ff38f4c9c331c390 R09: ff38f4c9c6129030
[   15.600646] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[   15.600688] R13: 0000000000000011 R14: ff38f4c9c3e40000 R15: ff38f4c9c189b300
[   15.600729] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.600774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.600809] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.600851] PKRU: 55555554
[   15.600863] Call Trace:
[   15.600876]  <TASK>
[   15.600890]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.600919]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.600941]  cleanup_net (net/core/net_namespace.c:702)
[   15.600965]  process_one_work (kernel/workqueue.c:3314)
[   15.600987]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.601013]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.601030]  kthread (kernel/kthread.c:436)
[   15.601054]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.601076]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.601103]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.601124]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.613993] ------------[ cut here ]------------
| [   15.614040] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.614098] Modules linked in:
| [   15.614172] Tainted: [W]=WARN
[   15.614191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.614223] Workqueue: netns cleanup_net
[   15.614244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.614269] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.614356] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   15.614381] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   15.614421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.614464] RBP: 0000000000000000 R08: ff38f4c9c331c0d0 R09: ff38f4c9c3e40034
[   15.614503] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   15.614543] R13: 0000000000000010 R14: ff38f4c9c3e33000 R15: ff38f4c9c189b300
[   15.614586] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.614625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.614660] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.614700] PKRU: 55555554
[   15.614715] Call Trace:
[   15.614729]  <TASK>
[   15.614743]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.614766]  netif_close_many (net/core/dev.c:1804)
[   15.614787]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.614812]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.614845]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.614878]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.614900]  cleanup_net (net/core/net_namespace.c:702)
[   15.614920]  process_one_work (kernel/workqueue.c:3314)
[   15.614941]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.614966]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.614988]  kthread (kernel/kthread.c:436)
[   15.615014]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.615037]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.615059]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.615084]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.615179] ------------[ cut here ]------------
| [   15.615206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.615261] Modules linked in:
| [   15.615341] Tainted: [W]=WARN
[   15.615363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.615396] Workqueue: netns cleanup_net
[   15.615419] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.615443] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.615531] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   15.615556] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   15.615596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.615635] RBP: 0000000000000000 R08: ff38f4c9c32fac10 R09: ff38f4c9c3e40034
[   15.615679] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   15.615718] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c189b300
[   15.615758] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.615799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.615829] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.615872] PKRU: 55555554
[   15.615887] Call Trace:
[   15.615900]  <TASK>
[   15.615913]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.615932]  netif_close_many (net/core/dev.c:1804)
[   15.615954]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.615986]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.616013]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.616040]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.616072]  cleanup_net (net/core/net_namespace.c:702)
[   15.616106]  process_one_work (kernel/workqueue.c:3314)
[   15.616130]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.616152]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.616176]  kthread (kernel/kthread.c:436)
[   15.616203]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.616228]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.616251]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.616272]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.616352] ------------[ cut here ]------------
| [   15.616380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.616435] Modules linked in:
| [   15.616507] Tainted: [W]=WARN
[   15.616529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.616561] Workqueue: netns cleanup_net
[   15.616583] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.616613] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.616703] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   15.616729] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   15.616767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.616803] RBP: 0000000000000000 R08: ff38f4c9c3296a50 R09: ff38f4c9c3e4002c
[   15.616840] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[   15.616881] R13: 0000000000000010 R14: ff38f4c9c3e43000 R15: ff38f4c9c189b300
[   15.616921] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.616966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.616996] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.617042] PKRU: 55555554
[   15.617055] Call Trace:
[   15.617067]  <TASK>
[   15.617085]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.617112]  netif_close_many (net/core/dev.c:1804)
[   15.617134]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.617161]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   15.617195]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.617223]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.617245]  cleanup_net (net/core/net_namespace.c:702)
[   15.617267]  process_one_work (kernel/workqueue.c:3314)
[   15.617287]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.617309]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.617331]  kthread (kernel/kthread.c:436)
[   15.617350]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.617373]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.617393]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.617418]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.617530] ------------[ cut here ]------------
| [   15.617560] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.617613] Modules linked in:
| [   15.617685] Tainted: [W]=WARN
[   15.617707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.617737] Workqueue: netns cleanup_net
[   15.617757] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.617785] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.617872] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   15.617900] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.617940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.617986] RBP: 0000000000000000 R08: ff38f4c9c331c0d0 R09: ff38f4c9c60a1834
[   15.618024] R10: ff38f4c9c3e33120 R11: fefefefefefefeff R12: 0000000000000000
[   15.618063] R13: 0000000000000011 R14: ff38f4c9c3e33000 R15: ff38f4c9c189b300
[   15.618109] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.618150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.618182] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.618223] PKRU: 55555554
[   15.618240] Call Trace:
[   15.618260]  <TASK>
[   15.618276]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.618302]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.618330]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.618351]  cleanup_net (net/core/net_namespace.c:702)
[   15.618372]  process_one_work (kernel/workqueue.c:3314)
[   15.618393]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.618414]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.618433]  kthread (kernel/kthread.c:436)
[   15.618453]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.618475]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.618497]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.618519]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.618633] ------------[ cut here ]------------
| [   15.618659] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.618710] Modules linked in:
| [   15.618787] Tainted: [W]=WARN
[   15.618806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.618841] Workqueue: netns cleanup_net
[   15.618861] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.618889] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.618979] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   15.619006] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.619046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.619087] RBP: 0000000000000000 R08: ff38f4c9c32fac10 R09: ff38f4c9c6093834
[   15.619132] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   15.619171] R13: 0000000000000011 R14: ff38f4c9c613e000 R15: ff38f4c9c189b300
[   15.619214] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.619255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.619288] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.619328] PKRU: 55555554
[   15.619341] Call Trace:
[   15.619353]  <TASK>
[   15.619369]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.619393]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.619420]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.619441]  cleanup_net (net/core/net_namespace.c:702)
[   15.619461]  process_one_work (kernel/workqueue.c:3314)
[   15.619483]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.619505]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.619528]  kthread (kernel/kthread.c:436)
[   15.619551]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.619573]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.619595]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.619615]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.619726] ------------[ cut here ]------------
| [   15.619754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.619806] Modules linked in:
| [   15.619879] Tainted: [W]=WARN
[   15.619899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.619933] Workqueue: netns cleanup_net
[   15.619954] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.619983] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.620072] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   15.620103] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.620147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.620186] RBP: 0000000000000000 R08: ff38f4c9c3296a50 R09: ff38f4c9c307c82c
[   15.620232] R10: ff38f4c9c3e43120 R11: fefefefefefefeff R12: 0000000000000000
[   15.620271] R13: 0000000000000011 R14: ff38f4c9c3e43000 R15: ff38f4c9c189b300
[   15.620314] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.620357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.620391] CR2: 00007f3c6f96f9dc CR3: 0000000003d79002 CR4: 0000000000771ef0
[   15.620429] PKRU: 55555554
[   15.620444] Call Trace:
[   15.620457]  <TASK>
[   15.620473]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.620499]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.620524]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.620552]  cleanup_net (net/core/net_namespace.c:702)
[   15.620574]  process_one_work (kernel/workqueue.c:3314)
[   15.620596]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.620618]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.620642]  kthread (kernel/kthread.c:436)
[   15.620664]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.620685]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.620704]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.620726]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.620898] ------------[ cut here ]------------
| [   15.620937] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/384
| [   15.620996] Modules linked in:
| [   15.621073] Tainted: [W]=WARN
[   15.621097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.621129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.621155] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.621241] RSP: 0018:ff6096b04089fcb8 EFLAGS: 00010286
[   15.621271] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.621316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   15.621362] RBP: 0000000000000000 R08: ff38f4c9c32c60d0 R09: ff38f4c9c609a02c
[   15.621400] R10: ff38f4c9c3e45120 R11: fefefefefefefeff R12: 0000000000000000
[   15.621439] R13: 0000000000000010 R14: ff38f4c9c3e45000 R15: ff38f4c9c3cd8b00
[   15.621489] FS:  00007f223e2e5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.621529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.621561] CR2: 00007f223e4f1690 CR3: 0000000006356005 CR4: 0000000000771ef0
[   15.621602] PKRU: 55555554
[   15.621616] Call Trace:
[   15.621630]  <TASK>
[   15.621645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.621664]  register_netdevice (net/core/dev.c:11488)
[   15.621685]  register_netdev (net/core/dev.c:11552)
[   15.621704]  loopback_net_init (drivers/net/loopback.c:218)
[   15.621727]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   15.621761]  ops_init (net/core/net_namespace.c:137)
[   15.621783]  setup_net (net/core/net_namespace.c:446)
[   15.621804]  copy_net_ns (net/core/net_namespace.c:579)
[   15.621826]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.621854]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.621882]  ksys_unshare (kernel/fork.c:3243)
[   15.621905]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.621927]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.621951]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.621986] RIP: 0033:0x7f223e5a7bcb
[   15.622007] 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
[   15.622097] RSP: 002b:00007ffe41b145f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.622136] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f223e5a7bcb
[   15.622177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.622220] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.622258] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe41b16820
[   15.622294] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe41b188a1
| [   15.622414] ------------[ cut here ]------------
| [   15.622441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/384
| [   15.622486] Modules linked in:
| [   15.622560] Tainted: [W]=WARN
[   15.622579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.622614] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.622644] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.622734] RSP: 0018:ff6096b04089fc10 EFLAGS: 00010286
[   15.622762] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.622806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd7200
[   15.622846] RBP: 0000000000000000 R08: ff38f4c9c3e03190 R09: ff38f4c9c60a0830
[   15.622888] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   15.622927] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd7200
[   15.622968] FS:  00007f223e2e5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.623009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.623043] CR2: 00007f223e4f1690 CR3: 0000000006356005 CR4: 0000000000771ef0
[   15.623083] PKRU: 55555554
[   15.623101] Call Trace:
[   15.623114]  <TASK>
[   15.623131]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.623152]  register_netdevice (net/core/dev.c:11488)
[   15.623173]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.623197]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.623220]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   15.623243]  ops_init (net/core/net_namespace.c:137)
[   15.623266]  setup_net (net/core/net_namespace.c:446)
[   15.623292]  copy_net_ns (net/core/net_namespace.c:579)
[   15.623313]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.623342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.623368]  ksys_unshare (kernel/fork.c:3243)
[   15.623389]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.623410]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.623431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.623458] RIP: 0033:0x7f223e5a7bcb
[   15.623478] 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
[   15.623566] RSP: 002b:00007ffe41b145f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.623602] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f223e5a7bcb
[   15.623638] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.623675] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.623716] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe41b16820
[   15.623756] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe41b188a1
| [   15.623867] ------------[ cut here ]------------
| [   15.623894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/384
| [   15.623941] Modules linked in:
| [   15.624023] Tainted: [W]=WARN
[   15.624040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.624070] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.624099] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.624194] RSP: 0018:ff6096b04089fbf0 EFLAGS: 00010286
[   15.624221] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.624262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd5900
[   15.624304] RBP: 0000000000000000 R08: ff38f4c9c3333410 R09: ff38f4c9c6090830
[   15.624342] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[   15.624378] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd5900
[   15.624420] FS:  00007f223e2e5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.624464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.624497] CR2: 00007f223e4f1690 CR3: 0000000006356005 CR4: 0000000000771ef0
[   15.624540] PKRU: 55555554
[   15.624554] Call Trace:
[   15.624567]  <TASK>
[   15.624582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.624602]  register_netdevice (net/core/dev.c:11488)
[   15.624623]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.624643]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.624666]  vti_init_net (net/ipv4/ip_vti.c:517)
[   15.624687]  ops_init (net/core/net_namespace.c:137)
[   15.624708]  setup_net (net/core/net_namespace.c:446)
[   15.624730]  copy_net_ns (net/core/net_namespace.c:579)
[   15.624753]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.624780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.624808]  ksys_unshare (kernel/fork.c:3243)
[   15.624830]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.624851]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.624873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.624898] RIP: 0033:0x7f223e5a7bcb
[   15.624916] 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
[   15.625010] RSP: 002b:00007ffe41b145f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.625050] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f223e5a7bcb
[   15.625096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.625135] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.625177] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe41b16820
[   15.625214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe41b188a1
| [   15.625325] ------------[ cut here ]------------
| [   15.625351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/384
| [   15.625398] Modules linked in:
| [   15.625473] Tainted: [W]=WARN
[   15.625493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.625527] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.625552] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.625638] RSP: 0018:ff6096b04089fca8 EFLAGS: 00010286
[   15.625667] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.625714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df1900
[   15.625755] RBP: 0000000000000000 R08: ff38f4c9c33a3e90 R09: ff38f4c9c6142034
[   15.625795] R10: ff38f4c9c61a3120 R11: fefefefefefefeff R12: 0000000000000000
[   15.625837] R13: 0000000000000010 R14: ff38f4c9c61a3000 R15: ff38f4c9c1df1900
[   15.625878] FS:  00007f223e2e5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.625919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.625954] CR2: 00007f223e4f1690 CR3: 0000000006356005 CR4: 0000000000771ef0
[   15.625997] PKRU: 55555554
[   15.626012] Call Trace:
[   15.626029]  <TASK>
[   15.626042]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.626068]  register_netdevice (net/core/dev.c:11488)
[   15.626090]  register_netdev (net/core/dev.c:11552)
[   15.626116]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   15.626141]  ops_init (net/core/net_namespace.c:137)
[   15.626162]  setup_net (net/core/net_namespace.c:446)
[   15.626184]  copy_net_ns (net/core/net_namespace.c:579)
[   15.626207]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.626233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.626262]  ksys_unshare (kernel/fork.c:3243)
[   15.626282]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.626303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.626324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.626348] RIP: 0033:0x7f223e5a7bcb
[   15.626371] 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
[   15.626456] RSP: 002b:00007ffe41b145f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.626497] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f223e5a7bcb
[   15.626534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.626576] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.626618] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe41b16820
[   15.626659] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe41b188a1
| [   15.626777] ------------[ cut here ]------------
| [   15.626803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/384
| [   15.626847] Modules linked in:
| [   15.626923] Tainted: [W]=WARN
[   15.626942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.626980] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.627009] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.627104] RSP: 0018:ff6096b04089fca0 EFLAGS: 00010286
[   15.627131] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.627170] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cdb600
[   15.627206] RBP: 0000000000000000 R08: ff38f4c9c32db050 R09: ff38f4c9c3c72030
[   15.627245] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[   15.627291] R13: 0000000000000010 R14: ff38f4c9c6142000 R15: ff38f4c9c3cdb600
[   15.627330] FS:  00007f223e2e5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.627370] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.627408] CR2: 00007f223e4f1690 CR3: 0000000006356005 CR4: 0000000000771ef0
[   15.627448] PKRU: 55555554
[   15.627463] Call Trace:
[   15.627475]  <TASK>
[   15.627488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.627509]  register_netdevice (net/core/dev.c:11488)
[   15.627528]  register_netdev (net/core/dev.c:11552)
[   15.627550]  sit_init_net (net/ipv6/sit.c:1860)
[   15.627570]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   15.627592]  ops_init (net/core/net_namespace.c:137)
[   15.627611]  setup_net (net/core/net_namespace.c:446)
[   15.627631]  copy_net_ns (net/core/net_namespace.c:579)
[   15.627653]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.627678]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.627712]  ksys_unshare (kernel/fork.c:3243)
[   15.627732]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.627753]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.627772]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.627802] RIP: 0033:0x7f223e5a7bcb
[   15.627819] 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
[   15.627908] RSP: 002b:00007ffe41b145f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.627948] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f223e5a7bcb
[   15.627990] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.628029] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.628065] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe41b16820
[   15.628109] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe41b188a1
| [   15.628233] ------------[ cut here ]------------
| [   15.628260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/384
| [   15.628303] Modules linked in:
| [   15.628378] Tainted: [W]=WARN
[   15.628405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.628437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.628467] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.628555] RSP: 0018:ff6096b04089fca8 EFLAGS: 00010286
[   15.628582] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.628622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd7100
[   15.628660] RBP: 0000000000000000 R08: ff38f4c9c2feb010 R09: ff38f4c9c31c2030
[   15.628696] R10: ff38f4c9c3c72120 R11: fefefefefefefeff R12: 0000000000000000
[   15.628737] R13: 0000000000000010 R14: ff38f4c9c3c72000 R15: ff38f4c9c3cd7100
[   15.628776] FS:  00007f223e2e5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.628817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.628854] CR2: 00007f223e4f1690 CR3: 0000000006356005 CR4: 0000000000771ef0
[   15.628897] PKRU: 55555554
[   15.628911] Call Trace:
[   15.628924]  <TASK>
[   15.628938]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.628960]  register_netdevice (net/core/dev.c:11488)
[   15.628988]  register_netdev (net/core/dev.c:11552)
[   15.629009]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   15.629028]  ops_init (net/core/net_namespace.c:137)
[   15.629051]  setup_net (net/core/net_namespace.c:446)
[   15.629072]  copy_net_ns (net/core/net_namespace.c:579)
[   15.629096]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.629125]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.629153]  ksys_unshare (kernel/fork.c:3243)
[   15.629175]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.629196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.629217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.629245] RIP: 0033:0x7f223e5a7bcb
[   15.629267] 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
[   15.629353] RSP: 002b:00007ffe41b145f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.629393] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f223e5a7bcb
[   15.629433] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.629476] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.629514] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe41b16820
[   15.629553] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe41b188a1
| [   15.632855] ------------[ cut here ]------------
| [   15.632922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/385
| [   15.633009] Modules linked in:
| [   15.633166] Tainted: [W]=WARN
[   15.633227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.633293] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.633360] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.633487] RSP: 0018:ff6096b0408a7720 EFLAGS: 00010286
[   15.633553] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   15.633629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   15.633706] RBP: 0000000000000000 R08: ff38f4c9c32c60d0 R09: ff38f4c9c1c3002c
[   15.633782] R10: ff38f4c9c3e45120 R11: fefefefefefefeff R12: 0000000000000000
[   15.633856] R13: 0000000000000010 R14: ff38f4c9c3e45000 R15: ff38f4c9c189ac00
[   15.633940] FS:  00007f51fd317840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.634023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.634099] CR2: 000000000ac81988 CR3: 0000000003daf004 CR4: 0000000000771ef0
[   15.634177] PKRU: 55555554
[   15.634228] Call Trace:
[   15.634277]  <TASK>
[   15.634329]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.634391]  __dev_notify_flags (net/core/dev.c:9787)
[   15.634451]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   15.634510]  netif_change_flags (net/core/dev.c:9820)
[   15.634571]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.634632]  ? __nla_validate_parse (lib/nlattr.c:620)
[   15.634699]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   15.634760]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   15.634820]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   15.634884]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.634943]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   15.635009]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   15.635075]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.635142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.635203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.635264]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.635325]  ___sys_sendmsg (net/socket.c:2752)
[   15.635387]  __sys_sendmsg (net/socket.c:2784)
[   15.635447]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.635507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.635570] RIP: 0033:0x7f51fd55108e
[   15.635630] 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
[   15.635753] RSP: 002b:00007ffde8843150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.635827] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f51fd55108e
[   15.635907] RDX: 0000000000000000 RSI: 00007ffde8843200 RDI: 0000000000000005
[   15.635991] RBP: 00007ffde8843160 R08: 0000000000000000 R09: 0000000000000000
[   15.636064] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e735
[   15.636151] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde88438d0
| [   15.646024] ------------[ cut here ]------------
| [   15.646069] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.646141] Modules linked in:
| [   15.646226] Tainted: [W]=WARN
[   15.646259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.646294] Workqueue: netns cleanup_net
[   15.646318] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.646350] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.646448] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.646473] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.646514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.646556] RBP: 0000000000000000 R08: ff38f4c9c322ba90 R09: ff38f4c9c1c20830
[   15.646597] R10: ff38f4c9c3e37120 R11: fefefefefefefeff R12: 0000000000000000
[   15.646641] R13: 0000000000000011 R14: ff38f4c9c3e37000 R15: ff38f4c9c189b300
[   15.646694] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.646738] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.646772] CR2: 00007fe791cdc2a0 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.646819] PKRU: 55555554
[   15.646837] Call Trace:
[   15.646852]  <TASK>
[   15.646865]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.646896]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.646919]  cleanup_net (net/core/net_namespace.c:702)
[   15.646941]  process_one_work (kernel/workqueue.c:3314)
[   15.646967]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.646989]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.647008]  kthread (kernel/kthread.c:436)
[   15.647030]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.647056]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.647086]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.647116]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.647236] ------------[ cut here ]------------
| [   15.647273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.647346] Modules linked in:
| [   15.647425] Tainted: [W]=WARN
[   15.647456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.647490] Workqueue: netns cleanup_net
[   15.647515] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.647541] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.647636] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.647662] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.647715] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.647759] RBP: 0000000000000000 R08: ff38f4c9c331cad0 R09: ff38f4c9c612b830
[   15.647797] R10: ff38f4c9c6146120 R11: fefefefefefefeff R12: 0000000000000000
[   15.647837] R13: 0000000000000011 R14: ff38f4c9c6146000 R15: ff38f4c9c189b300
[   15.647878] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.647919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.647952] CR2: 00007fe791cdc2a0 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.648006] PKRU: 55555554
[   15.648033] Call Trace:
[   15.648046]  <TASK>
[   15.648059]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.648087]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.648112]  cleanup_net (net/core/net_namespace.c:702)
[   15.648134]  process_one_work (kernel/workqueue.c:3314)
[   15.648158]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.648177]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.648197]  kthread (kernel/kthread.c:436)
[   15.648220]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.648245]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.648268]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.648289]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.648401] ------------[ cut here ]------------
| [   15.648430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.648484] Modules linked in:
| [   15.648567] Tainted: [W]=WARN
[   15.648588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.648621] Workqueue: netns cleanup_net
[   15.648644] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.648672] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.648762] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.648787] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.648830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.648872] RBP: 0000000000000000 R08: ff38f4c9c32c6210 R09: ff38f4c9c307b834
[   15.648912] R10: ff38f4c9c3e41120 R11: fefefefefefefeff R12: 0000000000000000
[   15.648953] R13: 0000000000000011 R14: ff38f4c9c3e41000 R15: ff38f4c9c189b300
[   15.648994] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.649035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.649070] CR2: 00007fe791cdc2a0 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.649117] PKRU: 55555554
[   15.649133] Call Trace:
[   15.649149]  <TASK>
[   15.649163]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.649190]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.649212]  cleanup_net (net/core/net_namespace.c:702)
[   15.649236]  process_one_work (kernel/workqueue.c:3314)
[   15.649258]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.649279]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.649297]  kthread (kernel/kthread.c:436)
[   15.649319]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.649339]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.649363]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.649385]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.649484] ------------[ cut here ]------------
| [   15.649510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.649560] Modules linked in:
| [   15.649632] Tainted: [W]=WARN
[   15.649650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.649682] Workqueue: netns cleanup_net
[   15.649703] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.649731] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.649825] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.649850] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.649896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.649934] RBP: 0000000000000000 R08: ff38f4c9c33b4a90 R09: ff38f4c9c6095030
[   15.649980] R10: ff38f4c9c613f120 R11: fefefefefefefeff R12: 0000000000000000
[   15.650019] R13: 0000000000000011 R14: ff38f4c9c613f000 R15: ff38f4c9c189b300
[   15.650059] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.650106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.650142] CR2: 00007fe791cdc2a0 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.650182] PKRU: 55555554
[   15.650198] Call Trace:
[   15.650210]  <TASK>
[   15.650223]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.650249]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.650271]  cleanup_net (net/core/net_namespace.c:702)
[   15.650292]  process_one_work (kernel/workqueue.c:3314)
[   15.650313]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.650338]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.650359]  kthread (kernel/kthread.c:436)
[   15.650381]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.650404]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.650425]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.650446]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.650538] ------------[ cut here ]------------
| [   15.650564] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   15.650613] Modules linked in:
| [   15.650685] Tainted: [W]=WARN
[   15.650702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.650733] Workqueue: netns cleanup_net
[   15.650754] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.650780] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.650870] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   15.650898] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.650939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.650997] RBP: 0000000000000000 R08: ff38f4c9c3390a10 R09: ff38f4c9c3047830
[   15.651037] R10: ff38f4c9c1c33120 R11: fefefefefefefeff R12: 0000000000000000
[   15.651075] R13: 0000000000000011 R14: ff38f4c9c1c33000 R15: ff38f4c9c189b300
[   15.651188] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.651234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.651270] CR2: 00007fe791cdc2a0 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.651313] PKRU: 55555554
[   15.651329] Call Trace:
[   15.651344]  <TASK>
[   15.651358]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.651389]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.651416]  cleanup_net (net/core/net_namespace.c:702)
[   15.651439]  process_one_work (kernel/workqueue.c:3314)
[   15.651462]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.651483]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.651502]  kthread (kernel/kthread.c:436)
[   15.651529]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.651553]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.651574]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.651596]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.658019] ------------[ cut here ]------------
| [   15.658063] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   15.658125] Modules linked in:
| [   15.658203] Tainted: [W]=WARN
[   15.658227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.658261] Workqueue: netns cleanup_net
[   15.658283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.658312] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.658407] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   15.658434] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   15.658477] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd7200
[   15.658516] RBP: 0000000000000000 R08: ff38f4c9c3d0c0d0 R09: ff38f4c9c1c3302c
[   15.658556] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   15.658596] R13: 0000000000000010 R14: ff38f4c9c609b000 R15: ff38f4c9c3cd7200
[   15.658637] FS:  0000000000000000(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.658679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.658712] CR2: 00007fc56a2d9580 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.658753] PKRU: 55555554
[   15.658768] Call Trace:
[   15.658781]  <TASK>
[   15.658794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.658815]  netif_close_many (net/core/dev.c:1804)
[   15.658835]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.658863]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   15.658887]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.658919]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.658941]  cleanup_net (net/core/net_namespace.c:702)
[   15.658973]  process_one_work (kernel/workqueue.c:3314)
[   15.658994]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.659016]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.659042]  kthread (kernel/kthread.c:436)
[   15.659064]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.659086]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.659114]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.659135]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.659297] ------------[ cut here ]------------
| [   15.659334] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   15.659391] Modules linked in:
| [   15.659466] Tainted: [W]=WARN
[   15.659485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.659517] Workqueue: netns cleanup_net
[   15.659540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.659569] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.659662] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   15.659690] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.659730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cdb500
[   15.659775] RBP: 0000000000000000 R08: ff38f4c9c3d0c0d0 R09: ff38f4c9c612982c
[   15.659815] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   15.659854] R13: 0000000000000011 R14: ff38f4c9c609b000 R15: ff38f4c9c3cdb500
[   15.659897] FS:  0000000000000000(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.659938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.659982] CR2: 00007fc56a2d9580 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.660025] PKRU: 55555554
[   15.660040] Call Trace:
[   15.660053]  <TASK>
[   15.660068]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.660100]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.660128]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.660149]  cleanup_net (net/core/net_namespace.c:702)
[   15.660171]  process_one_work (kernel/workqueue.c:3314)
[   15.660191]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.660212]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.660233]  kthread (kernel/kthread.c:436)
[   15.660255]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.660275]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.660296]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.660317]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.664928] ------------[ cut here ]------------
| [   15.664998] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/393
| [   15.665082] Modules linked in:
| [   15.665238] Tainted: [W]=WARN
[   15.665299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.665371] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.665440] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.665567] RSP: 0018:ff6096b0408d7cb8 EFLAGS: 00010286
[   15.665631] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.665704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   15.665784] RBP: 0000000000000000 R08: ff38f4c9c32a1110 R09: ff38f4c9c3e4402c
[   15.665864] R10: ff38f4c9c3e42120 R11: fefefefefefefeff R12: 0000000000000000
[   15.665944] R13: 0000000000000010 R14: ff38f4c9c3e42000 R15: ff38f4c9c189ac00
[   15.666032] FS:  00007f1a19bc3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.666119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.666192] CR2: 00007f1a19dca430 CR3: 0000000003de3003 CR4: 0000000000771ef0
[   15.666271] PKRU: 55555554
[   15.666322] Call Trace:
[   15.666372]  <TASK>
[   15.666424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.666484]  register_netdevice (net/core/dev.c:11488)
[   15.666548]  register_netdev (net/core/dev.c:11552)
[   15.666608]  loopback_net_init (drivers/net/loopback.c:218)
[   15.666672]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   15.666741]  ops_init (net/core/net_namespace.c:137)
[   15.666805]  setup_net (net/core/net_namespace.c:446)
[   15.666869]  copy_net_ns (net/core/net_namespace.c:579)
[   15.666932]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.667006]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.667074]  ksys_unshare (kernel/fork.c:3243)
[   15.667139]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.667201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.667262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.667331] RIP: 0033:0x7f1a19e85bcb
[   15.667394] 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
[   15.667521] RSP: 002b:00007ffe95430128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.667600] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a19e85bcb
[   15.667678] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.667756] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.667835] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe95432350
[   15.667915] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9543389f
| [   15.668203] ------------[ cut here ]------------
| [   15.668269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/393
| [   15.668361] Modules linked in:
| [   15.668512] Tainted: [W]=WARN
[   15.668567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.668637] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.668704] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.668841] RSP: 0018:ff6096b0408d7c10 EFLAGS: 00010286
[   15.668903] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.668987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6000
[   15.669065] RBP: 0000000000000000 R08: ff38f4c9c32967d0 R09: ff38f4c9c3e3b830
[   15.669145] R10: ff38f4c9c3e44120 R11: fefefefefefefeff R12: 0000000000000000
[   15.669225] R13: 0000000000000010 R14: ff38f4c9c3e44000 R15: ff38f4c9c1df6000
[   15.669307] FS:  00007f1a19bc3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.669384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.669454] CR2: 00007f1a19dca430 CR3: 0000000003de3003 CR4: 0000000000771ef0
[   15.669532] PKRU: 55555554
[   15.669583] Call Trace:
[   15.669635]  <TASK>
[   15.669687]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.669748]  register_netdevice (net/core/dev.c:11488)
[   15.669811]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.669876]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.669939]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   15.670003]  ops_init (net/core/net_namespace.c:137)
[   15.670067]  setup_net (net/core/net_namespace.c:446)
[   15.670133]  copy_net_ns (net/core/net_namespace.c:579)
[   15.670195]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.670272]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.670339]  ksys_unshare (kernel/fork.c:3243)
[   15.670395]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.670451]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.670507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.670570] RIP: 0033:0x7f1a19e85bcb
[   15.670625] 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
[   15.670755] RSP: 002b:00007ffe95430128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.670830] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a19e85bcb
[   15.670909] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.670991] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.671070] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe95432350
[   15.671156] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9543389f
| [   15.671389] ------------[ cut here ]------------
| [   15.671451] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/393
| [   15.671536] Modules linked in:
| [   15.671683] Tainted: [W]=WARN
[   15.671738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.671807] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.671870] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.672014] RSP: 0018:ff6096b0408d7bf0 EFLAGS: 00010286
[   15.672080] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.672164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5500
[   15.672242] RBP: 0000000000000000 R08: ff38f4c9c32db150 R09: ff38f4c9c305a830
[   15.672320] R10: ff38f4c9c3c76120 R11: fefefefefefefeff R12: 0000000000000000
[   15.672398] R13: 0000000000000010 R14: ff38f4c9c3c76000 R15: ff38f4c9c1df5500
[   15.672476] FS:  00007f1a19bc3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.672559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.672628] CR2: 00007f1a19dca430 CR3: 0000000003de3003 CR4: 0000000000771ef0
[   15.672707] PKRU: 55555554
[   15.672755] Call Trace:
[   15.672803]  <TASK>
[   15.672852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.672908]  register_netdevice (net/core/dev.c:11488)
[   15.672971]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.673029]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.673090]  vti_init_net (net/ipv4/ip_vti.c:517)
[   15.673155]  ops_init (net/core/net_namespace.c:137)
[   15.673214]  setup_net (net/core/net_namespace.c:446)
[   15.673272]  copy_net_ns (net/core/net_namespace.c:579)
[   15.673328]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.673391]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.673454]  ksys_unshare (kernel/fork.c:3243)
[   15.673510]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.673566]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.673623]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.673685] RIP: 0033:0x7f1a19e85bcb
[   15.673741] 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
[   15.673877] RSP: 002b:00007ffe95430128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.673955] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a19e85bcb
[   15.674036] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.674118] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.674193] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe95432350
[   15.674267] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9543389f
| [   15.674509] ------------[ cut here ]------------
| [   15.674571] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/393
| [   15.674656] Modules linked in:
| [   15.674805] Tainted: [W]=WARN
[   15.674861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.674929] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.675001] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.675133] RSP: 0018:ff6096b0408d7ca8 EFLAGS: 00010286
[   15.675199] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.675275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4a00
[   15.675351] RBP: 0000000000000000 R08: ff38f4c9c32c6290 R09: ff38f4c9c3e36034
[   15.675426] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[   15.675502] R13: 0000000000000010 R14: ff38f4c9c609e000 R15: ff38f4c9c3cd4a00
[   15.675579] FS:  00007f1a19bc3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.675657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.675727] CR2: 00007f1a19dca430 CR3: 0000000003de3003 CR4: 0000000000771ef0
[   15.675808] PKRU: 55555554
[   15.675859] Call Trace:
[   15.675911]  <TASK>
[   15.675969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.676030]  register_netdevice (net/core/dev.c:11488)
[   15.676101]  register_netdev (net/core/dev.c:11552)
[   15.676170]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   15.676234]  ops_init (net/core/net_namespace.c:137)
[   15.676296]  setup_net (net/core/net_namespace.c:446)
[   15.676359]  copy_net_ns (net/core/net_namespace.c:579)
[   15.676416]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.676484]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.676553]  ksys_unshare (kernel/fork.c:3243)
[   15.676613]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.676676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.676739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.676806] RIP: 0033:0x7f1a19e85bcb
[   15.676868] 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
[   15.676999] RSP: 002b:00007ffe95430128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.677075] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a19e85bcb
[   15.677164] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.677241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.677336] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe95432350
[   15.677411] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9543389f
| [   15.677662] ------------[ cut here ]------------
| [   15.677724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/393
| [   15.677806] Modules linked in:
| [   15.677956] Tainted: [W]=WARN
[   15.678020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.678099] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.678166] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.678292] RSP: 0018:ff6096b0408d7ca0 EFLAGS: 00010286
[   15.678357] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.678438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b900
[   15.678513] RBP: 0000000000000000 R08: ff38f4c9c32c6450 R09: ff38f4c9c613d030
[   15.678590] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   15.678669] R13: 0000000000000010 R14: ff38f4c9c3e36000 R15: ff38f4c9c189b900
[   15.678747] FS:  00007f1a19bc3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.678825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.678899] CR2: 00007f1a19dca430 CR3: 0000000003de3003 CR4: 0000000000771ef0
[   15.678984] PKRU: 55555554
[   15.679036] Call Trace:
[   15.679087]  <TASK>
[   15.679146]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.679209]  register_netdevice (net/core/dev.c:11488)
[   15.679271]  register_netdev (net/core/dev.c:11552)
[   15.679329]  sit_init_net (net/ipv6/sit.c:1860)
[   15.679392]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   15.679455]  ops_init (net/core/net_namespace.c:137)
[   15.679517]  setup_net (net/core/net_namespace.c:446)
[   15.679580]  copy_net_ns (net/core/net_namespace.c:579)
[   15.679640]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.679706]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.679772]  ksys_unshare (kernel/fork.c:3243)
[   15.679835]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.679894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.679954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.680028] RIP: 0033:0x7f1a19e85bcb
[   15.680091] 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
[   15.680223] RSP: 002b:00007ffe95430128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.680301] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a19e85bcb
[   15.680380] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.680458] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.680536] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe95432350
[   15.680612] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9543389f
| [   15.680860] ------------[ cut here ]------------
| [   15.680921] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/393
| [   15.681016] Modules linked in:
| [   15.681172] Tainted: [W]=WARN
[   15.681231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.681303] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.681371] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.681498] RSP: 0018:ff6096b0408d7ca8 EFLAGS: 00010286
[   15.681560] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.681642] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5f00
[   15.681721] RBP: 0000000000000000 R08: ff38f4c9c3dea150 R09: ff38f4c9c6139030
[   15.681796] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[   15.681874] R13: 0000000000000010 R14: ff38f4c9c613d000 R15: ff38f4c9c1df5f00
[   15.681957] FS:  00007f1a19bc3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.682046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.682125] CR2: 00007f1a19dca430 CR3: 0000000003de3003 CR4: 0000000000771ef0
[   15.682205] PKRU: 55555554
[   15.682255] Call Trace:
[   15.682306]  <TASK>
[   15.682359]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.682417]  register_netdevice (net/core/dev.c:11488)
[   15.682479]  register_netdev (net/core/dev.c:11552)
[   15.682542]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   15.682604]  ops_init (net/core/net_namespace.c:137)
[   15.682667]  setup_net (net/core/net_namespace.c:446)
[   15.682728]  copy_net_ns (net/core/net_namespace.c:579)
[   15.682790]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.682859]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.682928]  ksys_unshare (kernel/fork.c:3243)
[   15.682995]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.683059]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.683126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.683190] RIP: 0033:0x7f1a19e85bcb
[   15.683250] 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
[   15.683371] RSP: 002b:00007ffe95430128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   15.683449] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a19e85bcb
[   15.683527] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.683606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.683683] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe95432350
[   15.683762] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9543389f
| [   15.687037] ------------[ cut here ]------------
| [   15.687071] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/394
| [   15.687137] Modules linked in:
| [   15.687260] Tainted: [W]=WARN
[   15.687283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.687321] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.687353] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.687449] RSP: 0018:ff6096b0408df720 EFLAGS: 00010286
[   15.687477] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   15.687524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.687570] RBP: 0000000000000000 R08: ff38f4c9c32a1110 R09: ff38f4c9c3c8902c
[   15.687611] R10: ff38f4c9c3e42120 R11: fefefefefefefeff R12: 0000000000000000
[   15.687656] R13: 0000000000000010 R14: ff38f4c9c3e42000 R15: ff38f4c9c189b300
[   15.687699] FS:  00007f7ff7a17840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.687745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.687781] CR2: 000000003d5ca988 CR3: 0000000006e3b004 CR4: 0000000000771ef0
[   15.687824] PKRU: 55555554
[   15.687839] Call Trace:
[   15.687852]  <TASK>
[   15.687871]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.687891]  __dev_notify_flags (net/core/dev.c:9787)
[   15.687914]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   15.687933]  netif_change_flags (net/core/dev.c:9820)
[   15.687958]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.687983]  ? __nla_validate_parse (lib/nlattr.c:620)
[   15.688017]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   15.688041]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   15.688063]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   15.688098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.688119]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   15.688144]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   15.688174]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.688197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.688218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.688241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.688263]  ___sys_sendmsg (net/socket.c:2752)
[   15.688286]  __sys_sendmsg (net/socket.c:2784)
[   15.688306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.688328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.688355] RIP: 0033:0x7f7ff7c5108e
[   15.688375] 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
[   15.688470] RSP: 002b:00007ffd9a345090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.688510] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7ff7c5108e
[   15.688551] RDX: 0000000000000000 RSI: 00007ffd9a345140 RDI: 0000000000000005
[   15.688594] RBP: 00007ffd9a3450a0 R08: 0000000000000000 R09: 0000000000000000
[   15.688634] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e735
[   15.688673] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9a345810
| [   15.699604] ------------[ cut here ]------------
| [   15.699670] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/397
| [   15.699759] Modules linked in:
| [   15.699908] Tainted: [W]=WARN
[   15.699974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.700043] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.700118] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.700243] RSP: 0018:ff6096b0408f75f0 EFLAGS: 00010286
[   15.700310] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.700387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b000
[   15.700465] RBP: 0000000000000000 R08: ff38f4c9c32fef50 R09: ff38f4c9c3e43034
[   15.700543] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   15.700621] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c189b000
[   15.700701] FS:  00007f22b63f3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.700778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.700850] CR2: 00000000004eb188 CR3: 0000000003fd5002 CR4: 0000000000771ef0
[   15.700929] PKRU: 55555554
[   15.701000] Call Trace:
[   15.701052]  <TASK>
[   15.701111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.701173]  __dev_notify_flags (net/core/dev.c:9787)
[   15.701236]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.701300]  veth_newlink (drivers/net/veth.c:1871)
[   15.701366]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   15.701427]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   15.701492]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.701552]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   15.701619]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   15.701695]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.701756]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.701819]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.701882]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.701941]  ___sys_sendmsg (net/socket.c:2752)
[   15.702006]  __sys_sendmsg (net/socket.c:2784)
[   15.702067]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.702135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.702203] RIP: 0033:0x7f22b662d08e
[   15.702265] 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
[   15.702393] RSP: 002b:00007ffda1e53950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.702472] RAX: ffffffffffffffda RBX: 00007ffda1e54100 RCX: 00007f22b662d08e
[   15.702552] RDX: 0000000000000000 RSI: 00007ffda1e53a00 RDI: 0000000000000005
[   15.702629] RBP: 00007ffda1e53960 R08: 0000000000000000 R09: 0000000000000000
[   15.702709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e735
[   15.702786] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda1e540d8
| [   15.703105] ------------[ cut here ]------------
| [   15.703170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/397
| [   15.703254] Modules linked in:
| [   15.703406] Tainted: [W]=WARN
[   15.703463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.703533] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.703602] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.703728] RSP: 0018:ff6096b0408f7870 EFLAGS: 00010286
[   15.703795] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.703870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   15.703948] RBP: 0000000000000000 R08: ff38f4c9c32db910 R09: ff38f4c9c3e33034
[   15.704035] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[   15.704119] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c189ac00
[   15.704201] FS:  00007f22b63f3840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.704282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.704355] CR2: 00000000004eb188 CR3: 0000000003fd5002 CR4: 0000000000771ef0
[   15.704435] PKRU: 55555554
[   15.704487] Call Trace:
[   15.704538]  <TASK>
[   15.704590]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.704650]  __dev_notify_flags (net/core/dev.c:9787)
[   15.704714]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.704777]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   15.704840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   15.704911]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.704981]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   15.705048]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   15.705119]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.705184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.705247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.705310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.705374]  ___sys_sendmsg (net/socket.c:2752)
[   15.705438]  __sys_sendmsg (net/socket.c:2784)
[   15.705500]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.705560]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.705626] RIP: 0033:0x7f22b662d08e
[   15.705687] 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
[   15.705811] RSP: 002b:00007ffda1e53950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.705893] RAX: ffffffffffffffda RBX: 00007ffda1e54100 RCX: 00007f22b662d08e
[   15.705975] RDX: 0000000000000000 RSI: 00007ffda1e53a00 RDI: 0000000000000005
[   15.706051] RBP: 00007ffda1e53960 R08: 0000000000000000 R09: 0000000000000000
[   15.706139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e735
[   15.706218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda1e540d8
| [   15.737653] ------------[ cut here ]------------
| [   15.737696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/406
| [   15.737746] Modules linked in:
| [   15.737822] Tainted: [W]=WARN
[   15.737842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.737873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.737902] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.737998] RSP: 0018:ff6096b04093f720 EFLAGS: 00010286
[   15.738027] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   15.738068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   15.738114] RBP: 0000000000000000 R08: ff38f4c9c32db910 R09: ff38f4c9c3c89034
[   15.738156] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[   15.738193] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c189b300
[   15.738237] FS:  00007f8a1eea8840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   15.738279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.738314] CR2: 000000000aa5b988 CR3: 000000000633e004 CR4: 0000000000771ef0
[   15.738351] PKRU: 55555554
[   15.738365] Call Trace:
[   15.738377]  <TASK>
[   15.738390]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.738411]  __dev_notify_flags (net/core/dev.c:9787)
[   15.738431]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   15.738449]  netif_change_flags (net/core/dev.c:9820)
[   15.738471]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.738492]  ? __nla_validate_parse (lib/nlattr.c:620)
[   15.738520]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   15.738542]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   15.738565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   15.738593]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.738614]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   15.738635]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   15.738663]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.738684]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.738705]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.738727]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.738746]  ___sys_sendmsg (net/socket.c:2752)
[   15.738768]  __sys_sendmsg (net/socket.c:2784)
[   15.738790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.738812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.738841] RIP: 0033:0x7f8a1f0e208e
[   15.738863] 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
[   15.738955] RSP: 002b:00007fff76672240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.739000] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a1f0e208e
[   15.739038] RDX: 0000000000000000 RSI: 00007fff766722f0 RDI: 0000000000000005
[   15.739077] RBP: 00007fff76672250 R08: 0000000000000000 R09: 0000000000000000
[   15.739128] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e735
[   15.739167] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff766729c8
| [   15.742216] ------------[ cut here ]------------
| [   15.742282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/407
| [   15.742372] Modules linked in:
| [   15.742526] Tainted: [W]=WARN
[   15.742584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.742657] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.742726] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.742851] RSP: 0018:ff6096b040947720 EFLAGS: 00010286
[   15.742920] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   15.743009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   15.743088] RBP: 0000000000000000 R08: ff38f4c9c32fef50 R09: ff38f4c9c3e33034
[   15.743177] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   15.743256] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c189ac00
[   15.743340] FS:  00007fc5ecbdf840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   15.743420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.743491] CR2: 000000000fba5988 CR3: 000000000197d005 CR4: 0000000000771ef0
[   15.743573] PKRU: 55555554
[   15.743625] Call Trace:
[   15.743677]  <TASK>
[   15.743729]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.743791]  __dev_notify_flags (net/core/dev.c:9787)
[   15.743854]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   15.743915]  netif_change_flags (net/core/dev.c:9820)
[   15.743982]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.744047]  ? __nla_validate_parse (lib/nlattr.c:620)
[   15.744124]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   15.744188]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   15.744252]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   15.744325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.744389]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   15.744453]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   15.744521]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.744585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.744642]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.744703]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.744767]  ___sys_sendmsg (net/socket.c:2752)
[   15.744830]  __sys_sendmsg (net/socket.c:2784)
[   15.744886]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.744948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.745021] RIP: 0033:0x7fc5ece1908e
[   15.745083] 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
[   15.745212] RSP: 002b:00007ffed76dba50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.745290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc5ece1908e
[   15.745366] RDX: 0000000000000000 RSI: 00007ffed76dbb00 RDI: 0000000000000005
[   15.745446] RBP: 00007ffed76dba60 R08: 0000000000000000 R09: 0000000000000000
[   15.745525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e735
[   15.745604] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed76dc1d8
| [   15.745838] ------------[ cut here ]------------
| [   15.745877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 2/106
| [   15.745940] Modules linked in:
| [   15.746025] Tainted: [W]=WARN
[   15.746046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.746082] Workqueue: events_unbound linkwatch_event
[   15.746120] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.746149] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.746242] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[   15.746271] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   15.746311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   15.746348] RBP: 0000000000000000 R08: ff38f4c9c32db910 R09: ff38f4c9c3c8a034
[   15.746387] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[   15.746427] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c3cd8b00
[   15.746469] FS:  0000000000000000(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   15.746509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.746545] CR2: 00007fc56a2d9580 CR3: 000000002d847006 CR4: 0000000000771ef0
[   15.746583] PKRU: 55555554
[   15.746603] Call Trace:
[   15.746616]  <TASK>
[   15.746631]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.746656]  netif_state_change (net/core/dev.c:1605)
[   15.746677]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.746699]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.746724]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.746746]  process_one_work (kernel/workqueue.c:3314)
[   15.746765]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.746784]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.746805]  kthread (kernel/kthread.c:436)
[   15.746826]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.746851]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.746877]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.746898]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.649030] ------------[ cut here ]------------
| [   16.649508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/217
| [   16.649583] Modules linked in:
| [   16.649671] Tainted: [W]=WARN
[   16.649694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.649731] Workqueue: events_unbound linkwatch_event
[   16.649762] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.649790] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.649881] RSP: 0018:ff6096b0404c7d50 EFLAGS: 00010286
[   16.649910] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   16.649952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   16.649998] RBP: 0000000000000000 R08: ff38f4c9c32fef50 R09: ff38f4c9c3c8a034
[   16.650042] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   16.650082] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c3cd8b00
[   16.650126] FS:  0000000000000000(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   16.650172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.650207] CR2: 00007fc56a2d9580 CR3: 000000002d847006 CR4: 0000000000771ef0
[   16.650248] PKRU: 55555554
[   16.650267] Call Trace:
[   16.650285]  <TASK>
[   16.650301]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.650324]  netif_state_change (net/core/dev.c:1605)
[   16.650346]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.650366]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.650393]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.650416]  process_one_work (kernel/workqueue.c:3314)
[   16.650442]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.650463]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.650486]  kthread (kernel/kthread.c:436)
[   16.650509]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.650528]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.650551]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.650570]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.726740] ------------[ cut here ]------------
| [   18.726805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.726883] Modules linked in:
| [   18.726991] Tainted: [W]=WARN
[   18.727018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.727058] Workqueue: netns cleanup_net
[   18.727088] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.727130] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.727239] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.727268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.727310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.727353] RBP: 0000000000000000 R08: ff38f4c9c2feb010 R09: ff38f4c9c612e030
[   18.727395] R10: ff38f4c9c3c72120 R11: fefefefefefefeff R12: 0000000000000000
[   18.727439] R13: 0000000000000011 R14: ff38f4c9c3c72000 R15: ff38f4c9c3cd4e00
[   18.727480] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.727530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.727567] CR2: 00007ff70a7fa2a0 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.727609] PKRU: 55555554
[   18.727623] Call Trace:
[   18.727638]  <TASK>
[   18.727652]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.727684]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.727707]  cleanup_net (net/core/net_namespace.c:702)
[   18.727726]  process_one_work (kernel/workqueue.c:3314)
[   18.727748]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.727770]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.727789]  kthread (kernel/kthread.c:436)
[   18.727811]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.727832]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.727856]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.727875]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.728030] ------------[ cut here ]------------
| [   18.728068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.728148] Modules linked in:
| [   18.728238] Tainted: [W]=WARN
[   18.728260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.728302] Workqueue: netns cleanup_net
[   18.728325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.728353] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.728466] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.728490] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.728531] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.728571] RBP: 0000000000000000 R08: ff38f4c9c32db050 R09: ff38f4c9c614d030
[   18.728619] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[   18.728657] R13: 0000000000000011 R14: ff38f4c9c6142000 R15: ff38f4c9c3cd4e00
[   18.728703] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.728750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.728782] CR2: 00007ff70a7fa2a0 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.728833] PKRU: 55555554
[   18.728846] Call Trace:
[   18.728861]  <TASK>
[   18.728874]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.728901]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.728923]  cleanup_net (net/core/net_namespace.c:702)
[   18.728944]  process_one_work (kernel/workqueue.c:3314)
[   18.728972]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.728995]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.729018]  kthread (kernel/kthread.c:436)
[   18.729042]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.729068]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.729088]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.729119]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.729228] ------------[ cut here ]------------
| [   18.729253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.729310] Modules linked in:
| [   18.729391] Tainted: [W]=WARN
[   18.729416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.729450] Workqueue: netns cleanup_net
[   18.729472] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.729500] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.729589] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.729614] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.729651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.729699] RBP: 0000000000000000 R08: ff38f4c9c33a3e90 R09: ff38f4c9c3059034
[   18.729744] R10: ff38f4c9c61a3120 R11: fefefefefefefeff R12: 0000000000000000
[   18.729787] R13: 0000000000000011 R14: ff38f4c9c61a3000 R15: ff38f4c9c3cd4e00
[   18.729830] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.729868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.729905] CR2: 00007ff70a7fa2a0 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.729947] PKRU: 55555554
[   18.729966] Call Trace:
[   18.729979]  <TASK>
[   18.729993]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.730023]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.730046]  cleanup_net (net/core/net_namespace.c:702)
[   18.730072]  process_one_work (kernel/workqueue.c:3314)
[   18.730096]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.730169]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.730191]  kthread (kernel/kthread.c:436)
[   18.730216]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.730240]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.730262]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.730280]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.730378] ------------[ cut here ]------------
| [   18.730429] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.730487] Modules linked in:
| [   18.730577] Tainted: [W]=WARN
[   18.730595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.730628] Workqueue: netns cleanup_net
[   18.730653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.730683] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.730783] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.730816] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.730986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.731038] RBP: 0000000000000000 R08: ff38f4c9c3333410 R09: ff38f4c9c614a830
[   18.731081] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[   18.731133] R13: 0000000000000011 R14: ff38f4c9c3e30000 R15: ff38f4c9c3cd4e00
[   18.731173] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.731218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.731256] CR2: 00007ff70a7fa2a0 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.731299] PKRU: 55555554
[   18.731315] Call Trace:
[   18.731332]  <TASK>
[   18.731346]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.731380]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.731403]  cleanup_net (net/core/net_namespace.c:702)
[   18.731423]  process_one_work (kernel/workqueue.c:3314)
[   18.731445]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.731463]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.731479]  kthread (kernel/kthread.c:436)
[   18.731504]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.731527]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.731550]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.731572]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.731674] ------------[ cut here ]------------
| [   18.731846] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.731900] Modules linked in:
| [   18.731979] Tainted: [W]=WARN
[   18.732003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.732042] Workqueue: netns cleanup_net
[   18.732066] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.732092] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.732193] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.732217] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.732261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.732304] RBP: 0000000000000000 R08: ff38f4c9c3e03190 R09: ff38f4c9c3e3d830
[   18.732346] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   18.732384] R13: 0000000000000011 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4e00
[   18.732425] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.732464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.732503] CR2: 00007ff70a7fa2a0 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.732541] PKRU: 55555554
[   18.732554] Call Trace:
[   18.732565]  <TASK>
[   18.732578]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.732605]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.732627]  cleanup_net (net/core/net_namespace.c:702)
[   18.732650]  process_one_work (kernel/workqueue.c:3314)
[   18.732669]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.732688]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.732709]  kthread (kernel/kthread.c:436)
[   18.732728]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.732750]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.732771]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.732793]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.741005] ------------[ cut here ]------------
| [   18.741046] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.741113] Modules linked in:
| [   18.741203] Tainted: [W]=WARN
[   18.741227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.741260] Workqueue: netns cleanup_net
[   18.741285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.741313] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.741410] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   18.741439] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   18.741484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.741525] RBP: 0000000000000000 R08: ff38f4c9c32fef50 R09: ff38f4c9c609a034
[   18.741569] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   18.741613] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c3cd4e00
[   18.741661] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.741706] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.741740] CR2: 00007ff873f0b430 CR3: 000000000625f005 CR4: 0000000000771ef0
[   18.741783] PKRU: 55555554
[   18.741796] Call Trace:
[   18.741810]  <TASK>
[   18.741825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.741847]  netif_close_many (net/core/dev.c:1804)
[   18.741871]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.741898]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.741926]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.741957]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.741984]  cleanup_net (net/core/net_namespace.c:702)
[   18.742007]  process_one_work (kernel/workqueue.c:3314)
[   18.742026]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.742045]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.742070]  kthread (kernel/kthread.c:436)
[   18.742093]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.742120]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.742142]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.742162]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.742247] ------------[ cut here ]------------
| [   18.742273] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.742323] Modules linked in:
| [   18.742404] Tainted: [W]=WARN
[   18.742425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.742466] Workqueue: netns cleanup_net
[   18.742489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.742520] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.742621] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   18.742644] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   18.742686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.742730] RBP: 0000000000000000 R08: ff38f4c9c32db910 R09: ff38f4c9c609a034
[   18.742775] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[   18.742816] R13: 0000000000000010 R14: ff38f4c9c6139000 R15: ff38f4c9c3cd4e00
[   18.742858] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.742903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.742944] CR2: 00007ff873f0b430 CR3: 000000000625f005 CR4: 0000000000771ef0
[   18.742991] PKRU: 55555554
[   18.743006] Call Trace:
[   18.743020]  <TASK>
[   18.743033]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.743058]  netif_close_many (net/core/dev.c:1804)
[   18.743083]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.743115]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.743138]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.743167]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.743189]  cleanup_net (net/core/net_namespace.c:702)
[   18.743209]  process_one_work (kernel/workqueue.c:3314)
[   18.743231]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.743253]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.743277]  kthread (kernel/kthread.c:436)
[   18.743300]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.743326]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.743347]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.743368]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.743465] ------------[ cut here ]------------
| [   18.743492] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.743540] Modules linked in:
| [   18.743618] Tainted: [W]=WARN
[   18.743640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.743674] Workqueue: netns cleanup_net
[   18.743696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.743725] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.743819] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   18.743846] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   18.743884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.743922] RBP: 0000000000000000 R08: ff38f4c9c32c60d0 R09: ff38f4c9c609a02c
[   18.743970] R10: ff38f4c9c3e45120 R11: fefefefefefefeff R12: 0000000000000000
[   18.744010] R13: 0000000000000010 R14: ff38f4c9c3e45000 R15: ff38f4c9c3cd4e00
[   18.744049] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.744092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.744125] CR2: 00007ff873eeb000 CR3: 000000000625f005 CR4: 0000000000771ef0
[   18.744167] PKRU: 55555554
[   18.744178] Call Trace:
[   18.744191]  <TASK>
[   18.744208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.744231]  netif_close_many (net/core/dev.c:1804)
[   18.744254]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.744284]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   18.744312]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.744341]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.744365]  cleanup_net (net/core/net_namespace.c:702)
[   18.744386]  process_one_work (kernel/workqueue.c:3314)
[   18.744404]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.744433]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.744455]  kthread (kernel/kthread.c:436)
[   18.744476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.744498]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.744522]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.744547]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.744695] ------------[ cut here ]------------
| [   18.744724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.744782] Modules linked in:
| [   18.744855] Tainted: [W]=WARN
[   18.744877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.744913] Workqueue: netns cleanup_net
[   18.744942] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.744972] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.745070] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   18.745099] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.745142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.745186] RBP: 0000000000000000 R08: ff38f4c9c32fef50 R09: ff38f4c9c6136034
[   18.745229] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   18.745272] R13: 0000000000000011 R14: ff38f4c9c31c4000 R15: ff38f4c9c3cd4e00
[   18.745313] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.745359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.745393] CR2: 00007ff873eeb000 CR3: 000000000625f005 CR4: 0000000000771ef0
[   18.745432] PKRU: 55555554
[   18.745449] Call Trace:
[   18.745464]  <TASK>
[   18.745479]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.745501]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.745530]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.745552]  cleanup_net (net/core/net_namespace.c:702)
[   18.745573]  process_one_work (kernel/workqueue.c:3314)
[   18.745598]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.745621]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.745648]  kthread (kernel/kthread.c:436)
[   18.745669]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.745691]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.745711]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.745728]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.745848] ------------[ cut here ]------------
| [   18.745878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.745936] Modules linked in:
| [   18.746010] Tainted: [W]=WARN
[   18.746033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.746065] Workqueue: netns cleanup_net
[   18.746090] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.746123] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.746210] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   18.746234] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.746285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.746322] RBP: 0000000000000000 R08: ff38f4c9c32db910 R09: ff38f4c9c6129834
[   18.746359] R10: ff38f4c9c6139120 R11: fefefefefefefeff R12: 0000000000000000
[   18.746409] R13: 0000000000000011 R14: ff38f4c9c6139000 R15: ff38f4c9c3cd4e00
[   18.746455] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.746502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.746535] CR2: 00007ff873eeb000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.746577] PKRU: 55555554
[   18.746591] Call Trace:
[   18.746607]  <TASK>
[   18.746622]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.746649]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.746679]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.746702]  cleanup_net (net/core/net_namespace.c:702)
[   18.746724]  process_one_work (kernel/workqueue.c:3314)
[   18.746745]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.746770]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.746791]  kthread (kernel/kthread.c:436)
[   18.746811]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.746833]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.746855]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.746875]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.746997] ------------[ cut here ]------------
| [   18.747060] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [   18.747121] Modules linked in:
| [   18.747212] Tainted: [W]=WARN
[   18.747235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.747270] Workqueue: netns cleanup_net
[   18.747294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.747322] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.747421] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   18.747450] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.747493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.747530] RBP: 0000000000000000 R08: ff38f4c9c32c60d0 R09: ff38f4c9c307882c
[   18.747569] R10: ff38f4c9c3e45120 R11: fefefefefefefeff R12: 0000000000000000
[   18.747612] R13: 0000000000000011 R14: ff38f4c9c3e45000 R15: ff38f4c9c3cd4e00
[   18.747654] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.747696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.747730] CR2: 00007ff873eeb000 CR3: 000000002d847001 CR4: 0000000000771ef0
[   18.747771] PKRU: 55555554
[   18.747785] Call Trace:
[   18.747800]  <TASK>
[   18.747814]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.747843]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.747869]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.747891]  cleanup_net (net/core/net_namespace.c:702)
[   18.747917]  process_one_work (kernel/workqueue.c:3314)
[   18.747939]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.747958]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.747980]  kthread (kernel/kthread.c:436)
[   18.747999]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.748022]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.748045]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.748066]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.751344] ------------[ cut here ]------------
| [   18.751385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/423
| [   18.751443] Modules linked in:
| [   18.751528] Tainted: [W]=WARN
[   18.751548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.751583] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.751614] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.751711] RSP: 0018:ff6096b04098fcb8 EFLAGS: 00010286
[   18.751740] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.751782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.751824] RBP: 0000000000000000 R08: ff38f4c9c32662d0 R09: ff38f4c9c614202c
[   18.751865] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   18.751904] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4e00
[   18.751953] FS:  00007f367f28e840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.752017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.752053] CR2: 00007f367f48fc20 CR3: 000000000625f001 CR4: 0000000000771ef0
[   18.752099] PKRU: 55555554
[   18.752115] Call Trace:
[   18.752130]  <TASK>
[   18.752145]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.752167]  register_netdevice (net/core/dev.c:11488)
[   18.752189]  register_netdev (net/core/dev.c:11552)
[   18.752208]  loopback_net_init (drivers/net/loopback.c:218)
[   18.752231]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.752266]  ops_init (net/core/net_namespace.c:137)
[   18.752288]  setup_net (net/core/net_namespace.c:446)
[   18.752310]  copy_net_ns (net/core/net_namespace.c:579)
[   18.752332]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.752363]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.752393]  ksys_unshare (kernel/fork.c:3243)
[   18.752418]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.752440]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.752465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.752496] RIP: 0033:0x7f367f550bcb
[   18.752520] 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
[   18.752619] RSP: 002b:00007ffe8ccaace8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.752664] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f367f550bcb
[   18.752703] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.752742] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.752789] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8ccacf10
[   18.752832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8ccae8a1
| [   18.752972] ------------[ cut here ]------------
| [   18.753001] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/423
| [   18.753047] Modules linked in:
| [   18.753127] Tainted: [W]=WARN
[   18.753150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.753187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.753216] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.753314] RSP: 0018:ff6096b04098fc10 EFLAGS: 00010286
[   18.753344] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.753387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8400
[   18.753428] RBP: 0000000000000000 R08: ff38f4c9c3316190 R09: ff38f4c9c6148030
[   18.753476] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[   18.753523] R13: 0000000000000010 R14: ff38f4c9c6142000 R15: ff38f4c9c3cd8400
[   18.753567] FS:  00007f367f28e840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.753608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.753647] CR2: 00007f367f48fc20 CR3: 000000000625f001 CR4: 0000000000771ef0
[   18.753686] PKRU: 55555554
[   18.753700] Call Trace:
[   18.753715]  <TASK>
[   18.753733]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.753754]  register_netdevice (net/core/dev.c:11488)
[   18.753772]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.753796]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.753819]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.753843]  ops_init (net/core/net_namespace.c:137)
[   18.753865]  setup_net (net/core/net_namespace.c:446)
[   18.753888]  copy_net_ns (net/core/net_namespace.c:579)
[   18.753909]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.753936]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.753966]  ksys_unshare (kernel/fork.c:3243)
[   18.753988]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.754010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.754032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.754055] RIP: 0033:0x7f367f550bcb
[   18.754075] 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
[   18.754181] RSP: 002b:00007ffe8ccaace8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.754226] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f367f550bcb
[   18.754265] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.754309] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.754356] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8ccacf10
[   18.754398] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8ccae8a1
| [   18.754515] ------------[ cut here ]------------
| [   18.754544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/423
| [   18.754597] Modules linked in:
| [   18.754668] Tainted: [W]=WARN
[   18.754691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.754727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.754755] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.754855] RSP: 0018:ff6096b04098fbf0 EFLAGS: 00010286
[   18.754885] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.754927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b600
[   18.754971] RBP: 0000000000000000 R08: ff38f4c9c3316290 R09: ff38f4c9c614f030
[   18.755014] R10: ff38f4c9c3c75120 R11: fefefefefefefeff R12: 0000000000000000
[   18.755052] R13: 0000000000000010 R14: ff38f4c9c3c75000 R15: ff38f4c9c189b600
[   18.755100] FS:  00007f367f28e840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.755148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.755183] CR2: 00007f367f48fc20 CR3: 000000000625f001 CR4: 0000000000771ef0
[   18.755231] PKRU: 55555554
[   18.755246] Call Trace:
[   18.755259]  <TASK>
[   18.755271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.755293]  register_netdevice (net/core/dev.c:11488)
[   18.755314]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.755336]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.755356]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.755374]  ops_init (net/core/net_namespace.c:137)
[   18.755396]  setup_net (net/core/net_namespace.c:446)
[   18.755424]  copy_net_ns (net/core/net_namespace.c:579)
[   18.755447]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.755478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.755505]  ksys_unshare (kernel/fork.c:3243)
[   18.755531]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.755553]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.755574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.755602] RIP: 0033:0x7f367f550bcb
[   18.755626] 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
[   18.755718] RSP: 002b:00007ffe8ccaace8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.755762] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f367f550bcb
[   18.755806] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.755848] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.755889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8ccacf10
[   18.755932] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8ccae8a1
| [   18.756058] ------------[ cut here ]------------
| [   18.756085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/423
| [   18.756135] Modules linked in:
| [   18.756218] Tainted: [W]=WARN
[   18.756241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.756278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.756306] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.756396] RSP: 0018:ff6096b04098fca8 EFLAGS: 00010286
[   18.756426] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.756470] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd9500
[   18.756517] RBP: 0000000000000000 R08: ff38f4c9c3316350 R09: ff38f4c9c3e32034
[   18.756556] R10: ff38f4c9c3c72120 R11: fefefefefefefeff R12: 0000000000000000
[   18.756596] R13: 0000000000000010 R14: ff38f4c9c3c72000 R15: ff38f4c9c3cd9500
[   18.756637] FS:  00007f367f28e840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.756676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.756708] CR2: 00007f367f48fc20 CR3: 000000000625f001 CR4: 0000000000771ef0
[   18.756752] PKRU: 55555554
[   18.756766] Call Trace:
[   18.756784]  <TASK>
[   18.756799]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.756821]  register_netdevice (net/core/dev.c:11488)
[   18.756843]  register_netdev (net/core/dev.c:11552)
[   18.756862]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.756885]  ops_init (net/core/net_namespace.c:137)
[   18.756908]  setup_net (net/core/net_namespace.c:446)
[   18.756929]  copy_net_ns (net/core/net_namespace.c:579)
[   18.756950]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.756976]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.757006]  ksys_unshare (kernel/fork.c:3243)
[   18.757033]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.757056]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.757076]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.757108] RIP: 0033:0x7f367f550bcb
[   18.757134] 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
[   18.757229] RSP: 002b:00007ffe8ccaace8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.757274] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f367f550bcb
[   18.757313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.757355] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.757399] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8ccacf10
[   18.757442] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8ccae8a1
| [   18.757564] ------------[ cut here ]------------
| [   18.757624] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/423
| [   18.757671] Modules linked in:
| [   18.757752] Tainted: [W]=WARN
[   18.757776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.757810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.757838] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.757932] RSP: 0018:ff6096b04098fca0 EFLAGS: 00010286
[   18.757961] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.758004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8800
[   18.758044] RBP: 0000000000000000 R08: ff38f4c9c33163d0 R09: ff38f4c9c3c8b030
[   18.758090] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   18.758138] R13: 0000000000000010 R14: ff38f4c9c3e32000 R15: ff38f4c9c3cd8800
[   18.758179] FS:  00007f367f28e840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.758223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.758253] CR2: 00007f367f48fc20 CR3: 000000000625f001 CR4: 0000000000771ef0
[   18.758296] PKRU: 55555554
[   18.758310] Call Trace:
[   18.758323]  <TASK>
[   18.758336]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.758358]  register_netdevice (net/core/dev.c:11488)
[   18.758378]  register_netdev (net/core/dev.c:11552)
[   18.758400]  sit_init_net (net/ipv6/sit.c:1860)
[   18.758422]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   18.758445]  ops_init (net/core/net_namespace.c:137)
[   18.758469]  setup_net (net/core/net_namespace.c:446)
[   18.758492]  copy_net_ns (net/core/net_namespace.c:579)
[   18.758515]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.758546]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.758577]  ksys_unshare (kernel/fork.c:3243)
[   18.758602]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.758628]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.758651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.758678] RIP: 0033:0x7f367f550bcb
[   18.758700] 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
[   18.758790] RSP: 002b:00007ffe8ccaace8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.758838] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f367f550bcb
[   18.758879] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.758921] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.758965] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8ccacf10
[   18.759005] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8ccae8a1
| [   18.759129] ------------[ cut here ]------------
| [   18.759155] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/423
| [   18.759206] Modules linked in:
| [   18.759284] Tainted: [W]=WARN
[   18.759306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.759340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.759375] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.759473] RSP: 0018:ff6096b04098fca8 EFLAGS: 00010286
[   18.759501] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.759538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4b00
[   18.759576] RBP: 0000000000000000 R08: ff38f4c9c3296fd0 R09: ff38f4c9c613b030
[   18.759626] R10: ff38f4c9c3c8b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.759667] R13: 0000000000000010 R14: ff38f4c9c3c8b000 R15: ff38f4c9c3cd4b00
[   18.759708] FS:  00007f367f28e840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.759747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.759781] CR2: 00007f367f48fc20 CR3: 000000000625f001 CR4: 0000000000771ef0
[   18.759823] PKRU: 55555554
[   18.759835] Call Trace:
[   18.759846]  <TASK>
[   18.759859]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.759894]  register_netdevice (net/core/dev.c:11488)
[   18.759915]  register_netdev (net/core/dev.c:11552)
[   18.759936]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.759960]  ops_init (net/core/net_namespace.c:137)
[   18.759986]  setup_net (net/core/net_namespace.c:446)
[   18.760008]  copy_net_ns (net/core/net_namespace.c:579)
[   18.760030]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.760057]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.760086]  ksys_unshare (kernel/fork.c:3243)
[   18.760111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.760129]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.760153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.760184] RIP: 0033:0x7f367f550bcb
[   18.760204] 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
[   18.760293] RSP: 002b:00007ffe8ccaace8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.760334] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f367f550bcb
[   18.760375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.760413] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.760453] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe8ccacf10
[   18.760495] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe8ccae8a1
| [   18.763951] ------------[ cut here ]------------
| [   18.764023] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/424
| [   18.764121] Modules linked in:
| [   18.764277] Tainted: [W]=WARN
[   18.764338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.764410] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.764473] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.764607] RSP: 0018:ff6096b040997720 EFLAGS: 00010286
[   18.764670] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   18.764748] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   18.764826] RBP: 0000000000000000 R08: ff38f4c9c32662d0 R09: ff38f4c9c3e3302c
[   18.764917] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   18.765002] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c189ac00
[   18.765083] FS:  00007f79a4acb840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.765164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.765236] CR2: 000000000355c988 CR3: 0000000003eb3006 CR4: 0000000000771ef0
[   18.765317] PKRU: 55555554
[   18.765366] Call Trace:
[   18.765417]  <TASK>
[   18.765469]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.765530]  __dev_notify_flags (net/core/dev.c:9787)
[   18.765588]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   18.765651]  netif_change_flags (net/core/dev.c:9820)
[   18.765713]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.765770]  ? __nla_validate_parse (lib/nlattr.c:620)
[   18.765856]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   18.765914]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   18.765987]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   18.766056]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.766124]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   18.766188]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   18.766253]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.766311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.766368]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.766424]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.766483]  ___sys_sendmsg (net/socket.c:2752)
[   18.766541]  __sys_sendmsg (net/socket.c:2784)
[   18.766598]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.766655]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.766721] RIP: 0033:0x7f79a4d0508e
[   18.766783] 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
[   18.766920] RSP: 002b:00007ffd89696dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.767012] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f79a4d0508e
[   18.767087] RDX: 0000000000000000 RSI: 00007ffd89696e70 RDI: 0000000000000005
[   18.767175] RBP: 00007ffd89696dd0 R08: 0000000000000000 R09: 0000000000000000
[   18.767250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e738
[   18.767329] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd89697540
| [   18.779038] ------------[ cut here ]------------
| [   18.779088] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.779155] Modules linked in:
| [   18.779247] Tainted: [W]=WARN
[   18.779273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.779314] Workqueue: netns cleanup_net
[   18.779338] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.779366] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.779472] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.779500] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.779535] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.779576] RBP: 0000000000000000 R08: ff38f4c9c3dea150 R09: ff38f4c9c6094030
[   18.779616] R10: ff38f4c9c613d120 R11: fefefefefefefeff R12: 0000000000000000
[   18.779655] R13: 0000000000000011 R14: ff38f4c9c613d000 R15: ff38f4c9c3cd4c00
[   18.779695] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.779737] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.779773] CR2: 0000564b46ed1d5c CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.779815] PKRU: 55555554
[   18.779832] Call Trace:
[   18.779856]  <TASK>
[   18.779870]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.779903]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.779927]  cleanup_net (net/core/net_namespace.c:702)
[   18.779949]  process_one_work (kernel/workqueue.c:3314)
[   18.779973]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.779994]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.780019]  kthread (kernel/kthread.c:436)
[   18.780040]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.780063]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.780090]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.780117]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.780233] ------------[ cut here ]------------
| [   18.780260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.780312] Modules linked in:
| [   18.780392] Tainted: [W]=WARN
[   18.780412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.780439] Workqueue: netns cleanup_net
[   18.780459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.780488] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.780575] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.780606] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.780645] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.780690] RBP: 0000000000000000 R08: ff38f4c9c32c6450 R09: ff38f4c9c60a8030
[   18.780725] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   18.780763] R13: 0000000000000011 R14: ff38f4c9c3e36000 R15: ff38f4c9c3cd4c00
[   18.780804] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.780853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.780885] CR2: 0000564b46ed1d5c CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.780925] PKRU: 55555554
[   18.780942] Call Trace:
[   18.780955]  <TASK>
[   18.780972]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.781003]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.781028]  cleanup_net (net/core/net_namespace.c:702)
[   18.781048]  process_one_work (kernel/workqueue.c:3314)
[   18.781070]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.781086]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.781119]  kthread (kernel/kthread.c:436)
[   18.781138]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.781158]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.781178]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.781202]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.781302] ------------[ cut here ]------------
| [   18.781332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.781393] Modules linked in:
| [   18.781468] Tainted: [W]=WARN
[   18.781490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.781528] Workqueue: netns cleanup_net
[   18.781551] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.781586] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.781676] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.781702] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.781743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.781793] RBP: 0000000000000000 R08: ff38f4c9c32c6290 R09: ff38f4c9c3e3e034
[   18.781828] R10: ff38f4c9c609e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.781867] R13: 0000000000000011 R14: ff38f4c9c609e000 R15: ff38f4c9c3cd4c00
[   18.781910] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.781952] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.781988] CR2: 0000564b46ed1d5c CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.782026] PKRU: 55555554
[   18.782038] Call Trace:
[   18.782049]  <TASK>
[   18.782063]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.782091]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.782119]  cleanup_net (net/core/net_namespace.c:702)
[   18.782140]  process_one_work (kernel/workqueue.c:3314)
[   18.782159]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.782177]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.782195]  kthread (kernel/kthread.c:436)
[   18.782220]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.782243]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.782265]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.782289]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.782380] ------------[ cut here ]------------
| [   18.782413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.782471] Modules linked in:
| [   18.782549] Tainted: [W]=WARN
[   18.782569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.782602] Workqueue: netns cleanup_net
[   18.782625] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.782655] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.782755] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.782783] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.782827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.782868] RBP: 0000000000000000 R08: ff38f4c9c32db150 R09: ff38f4c9c6094830
[   18.782906] R10: ff38f4c9c3c76120 R11: fefefefefefefeff R12: 0000000000000000
[   18.782944] R13: 0000000000000011 R14: ff38f4c9c3c76000 R15: ff38f4c9c3cd4c00
[   18.782989] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.783032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.783068] CR2: 0000564b46ed1d5c CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.783119] PKRU: 55555554
[   18.783131] Call Trace:
[   18.783143]  <TASK>
[   18.783157]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.783187]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.783210]  cleanup_net (net/core/net_namespace.c:702)
[   18.783234]  process_one_work (kernel/workqueue.c:3314)
[   18.783256]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.783277]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.783296]  kthread (kernel/kthread.c:436)
[   18.783314]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.783336]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.783358]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.783383]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.783589] ------------[ cut here ]------------
| [   18.783620] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.783677] Modules linked in:
| [   18.783754] Tainted: [W]=WARN
[   18.783778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.783812] Workqueue: netns cleanup_net
[   18.783834] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.783862] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.783955] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   18.783987] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.784028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.784066] RBP: 0000000000000000 R08: ff38f4c9c32967d0 R09: ff38f4c9c1c20830
[   18.784112] R10: ff38f4c9c3e44120 R11: fefefefefefefeff R12: 0000000000000000
[   18.784156] R13: 0000000000000011 R14: ff38f4c9c3e44000 R15: ff38f4c9c3cd4c00
[   18.784201] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.784243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.784279] CR2: 0000564b63604a00 CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.784327] PKRU: 55555554
[   18.784342] Call Trace:
[   18.784354]  <TASK>
[   18.784370]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.784397]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.784417]  cleanup_net (net/core/net_namespace.c:702)
[   18.784435]  process_one_work (kernel/workqueue.c:3314)
[   18.784456]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.784475]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.784495]  kthread (kernel/kthread.c:436)
[   18.784521]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.784543]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.784565]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.784588]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.791048] ------------[ cut here ]------------
| [   18.791097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.791164] Modules linked in:
| [   18.791243] Tainted: [W]=WARN
[   18.791261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.791296] Workqueue: netns cleanup_net
[   18.791317] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.791343] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.791445] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   18.791473] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   18.791520] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.791562] RBP: 0000000000000000 R08: ff38f4c9c32a1110 R09: ff38f4c9c3e4402c
[   18.791601] R10: ff38f4c9c3e42120 R11: fefefefefefefeff R12: 0000000000000000
[   18.791648] R13: 0000000000000010 R14: ff38f4c9c3e42000 R15: ff38f4c9c3cd4c00
[   18.791689] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.791730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.791764] CR2: 0000564b46ed1d5c CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.791808] PKRU: 55555554
[   18.791822] Call Trace:
[   18.791836]  <TASK>
[   18.791849]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.791871]  netif_close_many (net/core/dev.c:1804)
[   18.791894]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.791917]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   18.791942]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.791974]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.791995]  cleanup_net (net/core/net_namespace.c:702)
[   18.792017]  process_one_work (kernel/workqueue.c:3314)
[   18.792040]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.792062]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.792082]  kthread (kernel/kthread.c:436)
[   18.792106]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.792128]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.792152]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.792174]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.792303] ------------[ cut here ]------------
| [   18.792335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   18.792392] Modules linked in:
| [   18.792467] Tainted: [W]=WARN
[   18.792490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.792525] Workqueue: netns cleanup_net
[   18.792547] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.792575] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.792676] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   18.792704] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.792748] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   18.792790] RBP: 0000000000000000 R08: ff38f4c9c32a1110 R09: ff38f4c9c612b82c
[   18.792834] R10: ff38f4c9c3e42120 R11: fefefefefefefeff R12: 0000000000000000
[   18.792879] R13: 0000000000000011 R14: ff38f4c9c3e42000 R15: ff38f4c9c3cd4c00
[   18.792924] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   18.792974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.793006] CR2: 0000564b46ed1d5c CR3: 0000000003d1c002 CR4: 0000000000771ef0
[   18.793043] PKRU: 55555554
[   18.793060] Call Trace:
[   18.793072]  <TASK>
[   18.793087]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.793123]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.793150]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.793171]  cleanup_net (net/core/net_namespace.c:702)
[   18.793192]  process_one_work (kernel/workqueue.c:3314)
[   18.793215]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.793234]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.793254]  kthread (kernel/kthread.c:436)
[   18.793282]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.793305]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.793327]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.793347]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.795007] ------------[ cut here ]------------
| [   18.795082] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/432
| [   18.795179] Modules linked in:
| [   18.795337] Tainted: [W]=WARN
[   18.795415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.795483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.795552] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.795685] RSP: 0018:ff6096b0409d7cb8 EFLAGS: 00010286
[   18.795748] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.795823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   18.795899] RBP: 0000000000000000 R08: ff38f4c9c18f7350 R09: ff38f4c9c613c02c
[   18.795981] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   18.796058] R13: 0000000000000010 R14: ff38f4c9c3e36000 R15: ff38f4c9c189ac00
[   18.796146] FS:  00007efcf2bb6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.796225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.796292] CR2: 00007efcf2f2f493 CR3: 0000000003d23004 CR4: 0000000000771ef0
[   18.796370] PKRU: 55555554
[   18.796419] Call Trace:
[   18.796468]  <TASK>
[   18.796517]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.796573]  register_netdevice (net/core/dev.c:11488)
[   18.796630]  register_netdev (net/core/dev.c:11552)
[   18.796687]  loopback_net_init (drivers/net/loopback.c:218)
[   18.796745]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.796810]  ops_init (net/core/net_namespace.c:137)
[   18.796868]  setup_net (net/core/net_namespace.c:446)
[   18.796925]  copy_net_ns (net/core/net_namespace.c:579)
[   18.796991]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.797056]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.797127]  ksys_unshare (kernel/fork.c:3243)
[   18.797186]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.797242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.797301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.797365] RIP: 0033:0x7efcf2e78bcb
[   18.797421] 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
[   18.797552] RSP: 002b:00007fffcb6b7f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.797628] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efcf2e78bcb
[   18.797704] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.797779] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.797860] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffcb6ba170
[   18.797936] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcb6bb89f
| [   18.798187] ------------[ cut here ]------------
| [   18.798249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/432
| [   18.798333] Modules linked in:
| [   18.798477] Tainted: [W]=WARN
[   18.798531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.798600] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.798663] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.798789] RSP: 0018:ff6096b0409d7c10 EFLAGS: 00010286
[   18.798851] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.798929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6100
[   18.799011] RBP: 0000000000000000 R08: ff38f4c9c331c950 R09: ff38f4c9c60a3830
[   18.799086] R10: ff38f4c9c613c120 R11: fefefefefefefeff R12: 0000000000000000
[   18.799166] R13: 0000000000000010 R14: ff38f4c9c613c000 R15: ff38f4c9c1df6100
[   18.799245] FS:  00007efcf2bb6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.799322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.799391] CR2: 00007efcf2f2f493 CR3: 0000000003d23004 CR4: 0000000000771ef0
[   18.799468] PKRU: 55555554
[   18.799515] Call Trace:
[   18.799563]  <TASK>
[   18.799612]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.799668]  register_netdevice (net/core/dev.c:11488)
[   18.799724]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.799782]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.799839]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.799900]  ops_init (net/core/net_namespace.c:137)
[   18.799970]  setup_net (net/core/net_namespace.c:446)
[   18.800027]  copy_net_ns (net/core/net_namespace.c:579)
[   18.800084]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.800152]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.800215]  ksys_unshare (kernel/fork.c:3243)
[   18.800272]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.800327]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.800385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.800447] RIP: 0033:0x7efcf2e78bcb
[   18.800502] 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
[   18.800630] RSP: 002b:00007fffcb6b7f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.800710] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efcf2e78bcb
[   18.800786] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.800861] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.800936] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffcb6ba170
[   18.801017] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcb6bb89f
| [   18.801257] ------------[ cut here ]------------
| [   18.801319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/432
| [   18.801403] Modules linked in:
| [   18.801550] Tainted: [W]=WARN
[   18.801625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.801700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.801764] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.801901] RSP: 0018:ff6096b0409d7bf0 EFLAGS: 00010286
[   18.801970] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.802049] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5500
[   18.802131] RBP: 0000000000000000 R08: ff38f4c9c3316210 R09: ff38f4c9c31f1830
[   18.802209] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.802290] R13: 0000000000000010 R14: ff38f4c9c609b000 R15: ff38f4c9c1df5500
[   18.802376] FS:  00007efcf2bb6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.802454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.802523] CR2: 00007efcf2f2f493 CR3: 0000000003d23004 CR4: 0000000000771ef0
[   18.802600] PKRU: 55555554
[   18.802648] Call Trace:
[   18.802696]  <TASK>
[   18.802745]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.802801]  register_netdevice (net/core/dev.c:11488)
[   18.802860]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.802921]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.802990]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.803049]  ops_init (net/core/net_namespace.c:137)
[   18.803112]  setup_net (net/core/net_namespace.c:446)
[   18.803170]  copy_net_ns (net/core/net_namespace.c:579)
[   18.803227]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.803291]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.803354]  ksys_unshare (kernel/fork.c:3243)
[   18.803411]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.803467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.803524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.803592] RIP: 0033:0x7efcf2e78bcb
[   18.803652] 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
[   18.803786] RSP: 002b:00007fffcb6b7f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.803863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efcf2e78bcb
[   18.803940] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.804023] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.804098] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffcb6ba170
[   18.804214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcb6bb89f
| [   18.804478] ------------[ cut here ]------------
| [   18.804542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/432
| [   18.804629] Modules linked in:
| [   18.804773] Tainted: [W]=WARN
[   18.804828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.804897] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.804959] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.805095] RSP: 0018:ff6096b0409d7ca8 EFLAGS: 00010286
[   18.805169] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.805246] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ad00
[   18.805321] RBP: 0000000000000000 R08: ff38f4c9c3390bd0 R09: ff38f4c9c3c73034
[   18.805396] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   18.805470] R13: 0000000000000010 R14: ff38f4c9c6147000 R15: ff38f4c9c189ad00
[   18.805551] FS:  00007efcf2bb6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.805650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.805722] CR2: 00007efcf2f2f493 CR3: 0000000003d23004 CR4: 0000000000771ef0
[   18.805806] PKRU: 55555554
[   18.805854] Call Trace:
[   18.805902]  <TASK>
[   18.805950]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.806011]  register_netdevice (net/core/dev.c:11488)
[   18.806069]  register_netdev (net/core/dev.c:11552)
[   18.806132]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.806191]  ops_init (net/core/net_namespace.c:137)
[   18.806248]  setup_net (net/core/net_namespace.c:446)
[   18.806305]  copy_net_ns (net/core/net_namespace.c:579)
[   18.806362]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.806427]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.806490]  ksys_unshare (kernel/fork.c:3243)
[   18.806547]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.806604]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.806661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.806725] RIP: 0033:0x7efcf2e78bcb
[   18.806781] 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
[   18.806911] RSP: 002b:00007fffcb6b7f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.806994] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efcf2e78bcb
[   18.807070] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.807149] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.807225] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffcb6ba170
[   18.807302] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcb6bb89f
| [   18.807553] ------------[ cut here ]------------
| [   18.807617] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/432
| [   18.807701] Modules linked in:
| [   18.807849] Tainted: [W]=WARN
[   18.807903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.807978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.808041] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.808179] RSP: 0018:ff6096b0409d7ca0 EFLAGS: 00010286
[   18.808241] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.808333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b200
[   18.808407] RBP: 0000000000000000 R08: ff38f4c9c32c66d0 R09: ff38f4c9c1e6c030
[   18.808482] R10: ff38f4c9c3c73120 R11: fefefefefefefeff R12: 0000000000000000
[   18.808556] R13: 0000000000000010 R14: ff38f4c9c3c73000 R15: ff38f4c9c189b200
[   18.808633] FS:  00007efcf2bb6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.808709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.808777] CR2: 00007efcf2f2f493 CR3: 0000000003d23004 CR4: 0000000000771ef0
[   18.808854] PKRU: 55555554
[   18.808902] Call Trace:
[   18.808950]  <TASK>
[   18.809004]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.809061]  register_netdevice (net/core/dev.c:11488)
[   18.809136]  register_netdev (net/core/dev.c:11552)
[   18.809194]  sit_init_net (net/ipv6/sit.c:1860)
[   18.809251]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   18.809308]  ops_init (net/core/net_namespace.c:137)
[   18.809365]  setup_net (net/core/net_namespace.c:446)
[   18.809422]  copy_net_ns (net/core/net_namespace.c:579)
[   18.809479]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.809542]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.809605]  ksys_unshare (kernel/fork.c:3243)
[   18.809663]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.809718]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.809784]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.809846] RIP: 0033:0x7efcf2e78bcb
[   18.809902] 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
[   18.810035] RSP: 002b:00007fffcb6b7f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.810118] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efcf2e78bcb
[   18.810215] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.810292] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.810367] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffcb6ba170
[   18.810455] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcb6bb89f
| [   18.810709] ------------[ cut here ]------------
| [   18.810771] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/432
| [   18.810857] Modules linked in:
| [   18.811011] Tainted: [W]=WARN
[   18.811066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.811140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.811204] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.811338] RSP: 0018:ff6096b0409d7ca8 EFLAGS: 00010286
[   18.811400] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.811479] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df5f00
[   18.811556] RBP: 0000000000000000 R08: ff38f4c9c3296c10 R09: ff38f4c9c3e31030
[   18.811633] R10: ff38f4c9c1e6c120 R11: fefefefefefefeff R12: 0000000000000000
[   18.811708] R13: 0000000000000010 R14: ff38f4c9c1e6c000 R15: ff38f4c9c1df5f00
[   18.811786] FS:  00007efcf2bb6840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.811868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.811937] CR2: 00007efcf2f2f493 CR3: 0000000003d23004 CR4: 0000000000771ef0
[   18.812022] PKRU: 55555554
[   18.812071] Call Trace:
[   18.812126]  <TASK>
[   18.812177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.812238]  register_netdevice (net/core/dev.c:11488)
[   18.812295]  register_netdev (net/core/dev.c:11552)
[   18.812352]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.812409]  ops_init (net/core/net_namespace.c:137)
[   18.812485]  setup_net (net/core/net_namespace.c:446)
[   18.812546]  copy_net_ns (net/core/net_namespace.c:579)
[   18.812603]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.812667]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.812731]  ksys_unshare (kernel/fork.c:3243)
[   18.812788]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.812844]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.812902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.812972] RIP: 0033:0x7efcf2e78bcb
[   18.813028] 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
[   18.813166] RSP: 002b:00007fffcb6b7f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   18.813242] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efcf2e78bcb
[   18.813332] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   18.813408] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   18.813484] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffcb6ba170
[   18.813559] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffcb6bb89f
| [   18.817098] ------------[ cut here ]------------
| [   18.817170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/433
| [   18.817259] Modules linked in:
| [   18.817416] Tainted: [W]=WARN
[   18.817478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.817555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.817625] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.817758] RSP: 0018:ff6096b0409df720 EFLAGS: 00010286
[   18.817827] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   18.817907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6500
[   18.818000] RBP: 0000000000000000 R08: ff38f4c9c18f7350 R09: ff38f4c9c3e3102c
[   18.818081] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   18.818166] R13: 0000000000000010 R14: ff38f4c9c3e36000 R15: ff38f4c9c1df6500
[   18.818252] FS:  00007feab1730840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.818330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.818404] CR2: 00007feab1a001a0 CR3: 0000000003d22001 CR4: 0000000000771ef0
[   18.818483] PKRU: 55555554
[   18.818536] Call Trace:
[   18.818588]  <TASK>
[   18.818641]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.818705]  __dev_notify_flags (net/core/dev.c:9787)
[   18.818769]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   18.818830]  netif_change_flags (net/core/dev.c:9820)
[   18.818895]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.818971]  ? __nla_validate_parse (lib/nlattr.c:620)
[   18.819041]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   18.819111]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   18.819181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   18.819259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.819326]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   18.819393]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   18.819466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.819531]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.819600]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.819667]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.819736]  ___sys_sendmsg (net/socket.c:2752)
[   18.819804]  __sys_sendmsg (net/socket.c:2784)
[   18.819867]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.819934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.820010] RIP: 0033:0x7feab196a08e
[   18.820076] 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
[   18.820218] RSP: 002b:00007fffa1dfd2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.820298] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007feab196a08e
[   18.820377] RDX: 0000000000000000 RSI: 00007fffa1dfd3a0 RDI: 0000000000000005
[   18.820466] RBP: 00007fffa1dfd300 R08: 0000000000000000 R09: 0000000000000000
[   18.820550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e738
[   18.820629] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa1dfda70
| [   18.831960] ------------[ cut here ]------------
| [   18.832005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/436
| [   18.832054] Modules linked in:
| [   18.832134] Tainted: [W]=WARN
[   18.832155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.832188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.832216] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.832318] RSP: 0018:ff6096b0409f75f0 EFLAGS: 00010286
[   18.832346] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.832387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b300
[   18.832431] RBP: 0000000000000000 R08: ff38f4c9c3333950 R09: ff38f4c9c6146034
[   18.832470] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   18.832512] R13: 0000000000000010 R14: ff38f4c9c6145000 R15: ff38f4c9c189b300
[   18.832557] FS:  00007efd0452a840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.832596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.832630] CR2: 00000000004eb188 CR3: 000000000617f001 CR4: 0000000000771ef0
[   18.832669] PKRU: 55555554
[   18.832683] Call Trace:
[   18.832696]  <TASK>
[   18.832710]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.832735]  __dev_notify_flags (net/core/dev.c:9787)
[   18.832758]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.832780]  veth_newlink (drivers/net/veth.c:1871)
[   18.832805]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   18.832829]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   18.832856]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.832880]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   18.832909]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   18.832937]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.832966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.832994]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.833016]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.833040]  ___sys_sendmsg (net/socket.c:2752)
[   18.833063]  __sys_sendmsg (net/socket.c:2784)
[   18.833090]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.833116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.833144] RIP: 0033:0x7efd0476408e
[   18.833164] 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
[   18.833260] RSP: 002b:00007ffe1d52d0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.833298] RAX: ffffffffffffffda RBX: 00007ffe1d52d890 RCX: 00007efd0476408e
[   18.833339] RDX: 0000000000000000 RSI: 00007ffe1d52d190 RDI: 0000000000000005
[   18.833378] RBP: 00007ffe1d52d0f0 R08: 0000000000000000 R09: 0000000000000000
[   18.833416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e738
[   18.833457] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1d52d868
| [   18.833630] ------------[ cut here ]------------
| [   18.833657] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/436
| [   18.833712] Modules linked in:
| [   18.833961] Tainted: [W]=WARN
[   18.833989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.834030] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.834060] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.834156] RSP: 0018:ff6096b0409f7870 EFLAGS: 00010286
[   18.834183] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.834225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.834268] RBP: 0000000000000000 R08: ff38f4c9c3333390 R09: ff38f4c9c31c0034
[   18.834310] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.834348] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c3cd4e00
[   18.834394] FS:  00007efd0452a840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.834435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.834473] CR2: 00000000004eb188 CR3: 000000000617f001 CR4: 0000000000771ef0
[   18.834513] PKRU: 55555554
[   18.834528] Call Trace:
[   18.834544]  <TASK>
[   18.834560]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.834580]  __dev_notify_flags (net/core/dev.c:9787)
[   18.834602]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   18.834624]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   18.834646]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   18.834675]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.834697]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   18.834724]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   18.834756]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.834780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.834802]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.834824]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.834844]  ___sys_sendmsg (net/socket.c:2752)
[   18.834868]  __sys_sendmsg (net/socket.c:2784)
[   18.834889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.834911]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.834938] RIP: 0033:0x7efd0476408e
[   18.834960] 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
[   18.835058] RSP: 002b:00007ffe1d52d0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.835098] RAX: ffffffffffffffda RBX: 00007ffe1d52d890 RCX: 00007efd0476408e
[   18.835141] RDX: 0000000000000000 RSI: 00007ffe1d52d190 RDI: 0000000000000005
[   18.835180] RBP: 00007ffe1d52d0f0 R08: 0000000000000000 R09: 0000000000000000
[   18.835218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e738
[   18.835257] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe1d52d868
| [   18.867069] ------------[ cut here ]------------
| [   18.867120] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/445
| [   18.867169] Modules linked in:
| [   18.867245] Tainted: [W]=WARN
[   18.867263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.867296] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.867323] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.867416] RSP: 0018:ff6096b040a3f720 EFLAGS: 00010286
[   18.867442] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   18.867488] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.867528] RBP: 0000000000000000 R08: ff38f4c9c3333390 R09: ff38f4c9c31c0034
[   18.867566] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.867604] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c3cd4e00
[   18.867645] FS:  00007f6e1e70c840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.867689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.867723] CR2: 000000003b081988 CR3: 0000000006338006 CR4: 0000000000771ef0
[   18.867764] PKRU: 55555554
[   18.867779] Call Trace:
[   18.867797]  <TASK>
[   18.867809]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.867831]  __dev_notify_flags (net/core/dev.c:9787)
[   18.867858]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   18.867879]  netif_change_flags (net/core/dev.c:9820)
[   18.867901]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.867923]  ? __nla_validate_parse (lib/nlattr.c:620)
[   18.867953]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   18.867983]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   18.868006]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   18.868037]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.868059]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   18.868082]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   18.868116]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.868143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.868165]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.868186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.868208]  ___sys_sendmsg (net/socket.c:2752)
[   18.868230]  __sys_sendmsg (net/socket.c:2784)
[   18.868252]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.868279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.868307] RIP: 0033:0x7f6e1e94608e
[   18.868327] 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
[   18.868414] RSP: 002b:00007ffc64c81ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.868454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e1e94608e
[   18.868492] RDX: 0000000000000000 RSI: 00007ffc64c81f90 RDI: 0000000000000005
[   18.868529] RBP: 00007ffc64c81ef0 R08: 0000000000000000 R09: 0000000000000000
[   18.868572] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e738
[   18.868613] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc64c82668
| [   18.871672] ------------[ cut here ]------------
| [   18.871740] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/446
| [   18.871826] Modules linked in:
| [   18.871995] Tainted: [W]=WARN
[   18.872054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.872134] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.872198] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.872325] RSP: 0018:ff6096b040a47720 EFLAGS: 00010286
[   18.872391] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   18.872469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   18.872547] RBP: 0000000000000000 R08: ff38f4c9c3333950 R09: ff38f4c9c3e31034
[   18.872626] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   18.872702] R13: 0000000000000010 R14: ff38f4c9c6145000 R15: ff38f4c9c189ac00
[   18.872782] FS:  00007eff8fe23840(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   18.872862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.872933] CR2: 0000000007a7c988 CR3: 0000000001eee006 CR4: 0000000000771ef0
[   18.873017] PKRU: 55555554
[   18.873066] Call Trace:
[   18.873122]  <TASK>
[   18.873175]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.873235]  __dev_notify_flags (net/core/dev.c:9787)
[   18.873298]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   18.873358]  netif_change_flags (net/core/dev.c:9820)
[   18.873418]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   18.873480]  ? __nla_validate_parse (lib/nlattr.c:620)
[   18.873551]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   18.873612]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   18.873672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   18.873743]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   18.873804]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   18.873864]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   18.873933]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   18.874001]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.874111]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   18.874172]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   18.874230]  ___sys_sendmsg (net/socket.c:2752)
[   18.874292]  __sys_sendmsg (net/socket.c:2784)
[   18.874349]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.874406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.874471] RIP: 0033:0x7eff9005d08e
[   18.874527] 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
[   18.874673] RSP: 002b:00007ffd576be940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.874752] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff9005d08e
[   18.874831] RDX: 0000000000000000 RSI: 00007ffd576be9f0 RDI: 0000000000000005
[   18.874909] RBP: 00007ffd576be950 R08: 0000000000000000 R09: 0000000000000000
[   18.874994] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e738
[   18.875074] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd576bf0c8
| [   18.875303] ------------[ cut here ]------------
| [   18.875333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 2/106
| [   18.875394] Modules linked in:
| [   18.875474] Tainted: [W]=WARN
[   18.875495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.875531] Workqueue: events_unbound linkwatch_event
[   18.875564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.875592] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.875695] RSP: 0018:ff6096b0402ebd50 EFLAGS: 00010286
[   18.875726] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   18.875764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   18.875798] RBP: 0000000000000000 R08: ff38f4c9c3333390 R09: ff38f4c9c31c0034
[   18.875838] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.875879] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c3cd4e00
[   18.875921] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   18.875966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.875997] CR2: 00007f6e1e7d9574 CR3: 000000002d847004 CR4: 0000000000771ef0
[   18.876038] PKRU: 55555554
[   18.876053] Call Trace:
[   18.876067]  <TASK>
[   18.876082]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.876108]  netif_state_change (net/core/dev.c:1605)
[   18.876132]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.876154]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.876184]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.876206]  process_one_work (kernel/workqueue.c:3314)
[   18.876228]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.876250]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.876272]  kthread (kernel/kthread.c:436)
[   18.876296]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.876319]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.876341]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.876360]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.784039] ------------[ cut here ]------------
| [   19.784152] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/45
| [   19.784217] Modules linked in:
| [   19.784300] Tainted: [W]=WARN
[   19.784320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.784357] Workqueue: events_unbound linkwatch_event
[   19.784390] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.784421] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.784518] RSP: 0018:ff6096b040193d50 EFLAGS: 00010286
[   19.784547] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   19.784587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   19.784630] RBP: 0000000000000000 R08: ff38f4c9c3333950 R09: ff38f4c9c31c0034
[   19.784674] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   19.784716] R13: 0000000000000010 R14: ff38f4c9c6145000 R15: ff38f4c9c3cd4e00
[   19.784758] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   19.784801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.784840] CR2: 000055dcdb804400 CR3: 0000000003dfe005 CR4: 0000000000771ef0
[   19.784881] PKRU: 55555554
[   19.784897] Call Trace:
[   19.784913]  <TASK>
[   19.784933]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.784957]  netif_state_change (net/core/dev.c:1605)
[   19.784983]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.785004]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.785033]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.785052]  process_one_work (kernel/workqueue.c:3314)
[   19.785077]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.785100]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.785128]  kthread (kernel/kthread.c:436)
[   19.785152]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.785178]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.785202]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.785223]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.871463] ------------[ cut here ]------------
| [   21.871510] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   21.871570] Modules linked in:
| [   21.871650] Tainted: [W]=WARN
[   21.871672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.871709] Workqueue: netns cleanup_net
[   21.871734] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.871761] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.871855] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.871885] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.871924] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.871969] RBP: 0000000000000000 R08: ff38f4c9c3296fd0 R09: ff38f4c9c3048830
[   21.872008] R10: ff38f4c9c3c8b120 R11: fefefefefefefeff R12: 0000000000000000
[   21.872050] R13: 0000000000000011 R14: ff38f4c9c3c8b000 R15: ff38f4c9c3cd4c00
[   21.872093] FS:  0000000000000000(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.872143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.872177] CR2: 00007fc32b738430 CR3: 000000002d847003 CR4: 0000000000771ef0
[   21.872214] PKRU: 55555554
[   21.872229] Call Trace:
[   21.872243]  <TASK>
[   21.872259]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.872288]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.872311]  cleanup_net (net/core/net_namespace.c:702)
[   21.872333]  process_one_work (kernel/workqueue.c:3314)
[   21.872360]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.872385]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.872407]  kthread (kernel/kthread.c:436)
[   21.872428]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.872450]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.872474]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.872493]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.872684] ------------[ cut here ]------------
| [   21.872749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.872887] Modules linked in:
| [   21.873046] Tainted: [W]=WARN
[   21.873101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.873178] Workqueue: netns cleanup_net
[   21.873233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.873325] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.873498] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.873558] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.873657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.873761] RBP: 0000000000000000 R08: ff38f4c9c33163d0 R09: ff38f4c9c31d1030
[   21.873843] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   21.873942] R13: 0000000000000011 R14: ff38f4c9c3e32000 R15: ff38f4c9c3cd4c00
[   21.874025] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.874102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.874199] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.874306] PKRU: 55555554
[   21.874356] Call Trace:
[   21.874410]  <TASK>
[   21.874458]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.874519]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.874575]  cleanup_net (net/core/net_namespace.c:702)
[   21.874630]  process_one_work (kernel/workqueue.c:3314)
[   21.874719]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.874773]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.874826]  kthread (kernel/kthread.c:436)
[   21.874915]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.874981]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.875044]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.875098]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.875340] ------------[ cut here ]------------
| [   21.875406] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.875500] Modules linked in:
| [   21.875699] Tainted: [W]=WARN
[   21.875760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.875832] Workqueue: netns cleanup_net
[   21.875890] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.875953] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.876109] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.876185] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.876263] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.876340] RBP: 0000000000000000 R08: ff38f4c9c3316350 R09: ff38f4c9c6135834
[   21.876418] R10: ff38f4c9c3c72120 R11: fefefefefefefeff R12: 0000000000000000
[   21.876496] R13: 0000000000000011 R14: ff38f4c9c3c72000 R15: ff38f4c9c3cd4c00
[   21.876578] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.876660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.876728] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.876810] PKRU: 55555554
[   21.876862] Call Trace:
[   21.876914]  <TASK>
[   21.876972]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.877042]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.877103]  cleanup_net (net/core/net_namespace.c:702)
[   21.877182]  process_one_work (kernel/workqueue.c:3314)
[   21.877250]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.877308]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.877367]  kthread (kernel/kthread.c:436)
[   21.877423]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.877483]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.877543]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.877600]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.877847] ------------[ cut here ]------------
| [   21.877912] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.878015] Modules linked in:
| [   21.878194] Tainted: [W]=WARN
[   21.878253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.878343] Workqueue: netns cleanup_net
[   21.878426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.878524] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.878662] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.878756] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.878831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.878937] RBP: 0000000000000000 R08: ff38f4c9c3316290 R09: ff38f4c9c60a8830
[   21.879034] R10: ff38f4c9c3c75120 R11: fefefefefefefeff R12: 0000000000000000
[   21.879128] R13: 0000000000000011 R14: ff38f4c9c3c75000 R15: ff38f4c9c3cd4c00
[   21.879234] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.879337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.879403] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.879510] PKRU: 55555554
[   21.879602] Call Trace:
[   21.879656]  <TASK>
[   21.879746]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.879810]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.879872]  cleanup_net (net/core/net_namespace.c:702)
[   21.879943]  process_one_work (kernel/workqueue.c:3314)
[   21.880047]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.880124]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.880190]  kthread (kernel/kthread.c:436)
[   21.880250]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.880309]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.880372]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.880433]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.880673] ------------[ cut here ]------------
| [   21.880740] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.880861] Modules linked in:
| [   21.881010] Tainted: [W]=WARN
[   21.881094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.881178] Workqueue: netns cleanup_net
[   21.881240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.881312] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.881444] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.881508] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.881587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.881672] RBP: 0000000000000000 R08: ff38f4c9c3316190 R09: ff38f4c9c6129030
[   21.881747] R10: ff38f4c9c6142120 R11: fefefefefefefeff R12: 0000000000000000
[   21.881856] R13: 0000000000000011 R14: ff38f4c9c6142000 R15: ff38f4c9c3cd4c00
[   21.881952] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.882032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.882107] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.882188] PKRU: 55555554
[   21.882240] Call Trace:
[   21.882293]  <TASK>
[   21.882346]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.882422]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.882484]  cleanup_net (net/core/net_namespace.c:702)
[   21.882544]  process_one_work (kernel/workqueue.c:3314)
[   21.882636]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.882696]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.882754]  kthread (kernel/kthread.c:436)
[   21.882839]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.882930]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.882993]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.883050]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.893011] ------------[ cut here ]------------
| [   21.893080] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.893178] Modules linked in:
| [   21.893332] Tainted: [W]=WARN
[   21.893391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.893465] Workqueue: netns cleanup_net
[   21.893533] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.893602] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.893745] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   21.893814] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   21.893893] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.893981] RBP: 0000000000000000 R08: ff38f4c9c3333950 R09: ff38f4c9c6142034
[   21.894066] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   21.894192] R13: 0000000000000010 R14: ff38f4c9c6145000 R15: ff38f4c9c3cd4c00
[   21.894274] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.894351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.894451] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.894529] PKRU: 55555554
[   21.894581] Call Trace:
[   21.894634]  <TASK>
[   21.894686]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.894746]  netif_close_many (net/core/dev.c:1804)
[   21.894809]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.894876]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.894946]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.895022]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.895093]  cleanup_net (net/core/net_namespace.c:702)
[   21.895157]  process_one_work (kernel/workqueue.c:3314)
[   21.895223]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.895284]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.895349]  kthread (kernel/kthread.c:436)
[   21.895410]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.895471]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.895532]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.895592]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.895808] ------------[ cut here ]------------
| [   21.895874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.895989] Modules linked in:
| [   21.896166] Tainted: [W]=WARN
[   21.896229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.896303] Workqueue: netns cleanup_net
[   21.896364] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.896438] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.896566] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   21.896635] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   21.896723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.896809] RBP: 0000000000000000 R08: ff38f4c9c3333390 R09: ff38f4c9c6142034
[   21.896886] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   21.896977] R13: 0000000000000010 R14: ff38f4c9c613e000 R15: ff38f4c9c3cd4c00
[   21.897060] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.897148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.897228] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.897314] PKRU: 55555554
[   21.897366] Call Trace:
[   21.897417]  <TASK>
[   21.897469]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.897532]  netif_close_many (net/core/dev.c:1804)
[   21.897598]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.897673]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.897748]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.897824]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.897886]  cleanup_net (net/core/net_namespace.c:702)
[   21.897947]  process_one_work (kernel/workqueue.c:3314)
[   21.898020]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.898082]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.898153]  kthread (kernel/kthread.c:436)
[   21.898219]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.898288]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.898353]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.898414]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.898652] ------------[ cut here ]------------
| [   21.898721] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.898824] Modules linked in:
| [   21.898986] Tainted: [W]=WARN
[   21.899044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.899123] Workqueue: netns cleanup_net
[   21.899186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.899252] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.899390] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   21.899464] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   21.899545] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.899623] RBP: 0000000000000000 R08: ff38f4c9c32662d0 R09: ff38f4c9c614202c
[   21.899708] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   21.899795] R13: 0000000000000010 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4c00
[   21.899877] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.899984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.900063] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.900160] PKRU: 55555554
[   21.900213] Call Trace:
[   21.900266]  <TASK>
[   21.900320]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.900385]  netif_close_many (net/core/dev.c:1804)
[   21.900452]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.900527]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.900604]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.900681]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.900749]  cleanup_net (net/core/net_namespace.c:702)
[   21.900812]  process_one_work (kernel/workqueue.c:3314)
[   21.900872]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.900933]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.901001]  kthread (kernel/kthread.c:436)
[   21.901064]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.901132]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.901192]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.901253]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.901493] ------------[ cut here ]------------
| [   21.901558] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.901650] Modules linked in:
| [   21.901803] Tainted: [W]=WARN
[   21.901864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.901940] Workqueue: netns cleanup_net
[   21.902010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.902073] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.902210] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   21.902277] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.902355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.902434] RBP: 0000000000000000 R08: ff38f4c9c3333950 R09: ff38f4c9c31f4834
[   21.902511] R10: ff38f4c9c6145120 R11: fefefefefefefeff R12: 0000000000000000
[   21.902587] R13: 0000000000000011 R14: ff38f4c9c6145000 R15: ff38f4c9c3cd4c00
[   21.902670] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.902752] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.902828] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.902909] PKRU: 55555554
[   21.902959] Call Trace:
[   21.903018]  <TASK>
[   21.903068]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.903147]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.903214]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.903277]  cleanup_net (net/core/net_namespace.c:702)
[   21.903339]  process_one_work (kernel/workqueue.c:3314)
[   21.903398]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.903459]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.903519]  kthread (kernel/kthread.c:436)
[   21.903582]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.903643]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.903707]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.903768]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.904028] ------------[ cut here ]------------
| [   21.904095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.904189] Modules linked in:
| [   21.904353] Tainted: [W]=WARN
[   21.904412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.904485] Workqueue: netns cleanup_net
[   21.904547] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.904613] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.904740] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   21.904803] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.904880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.904957] RBP: 0000000000000000 R08: ff38f4c9c3333390 R09: ff38f4c9c31f6834
[   21.905045] R10: ff38f4c9c613e120 R11: fefefefefefefeff R12: 0000000000000000
[   21.905134] R13: 0000000000000011 R14: ff38f4c9c613e000 R15: ff38f4c9c3cd4c00
[   21.905216] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.905300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.905377] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.905458] PKRU: 55555554
[   21.905508] Call Trace:
[   21.905558]  <TASK>
[   21.905608]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.905673]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.905740]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.905803]  cleanup_net (net/core/net_namespace.c:702)
[   21.905863]  process_one_work (kernel/workqueue.c:3314)
[   21.905923]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.905990]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.906053]  kthread (kernel/kthread.c:436)
[   21.906120]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.906181]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.906242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.906302]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.906542] ------------[ cut here ]------------
| [   21.906608] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.906699] Modules linked in:
| [   21.906848] Tainted: [W]=WARN
[   21.906905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.906987] Workqueue: netns cleanup_net
[   21.907047] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.907121] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.907244] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   21.907311] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.907388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.907467] RBP: 0000000000000000 R08: ff38f4c9c32662d0 R09: ff38f4c9c60aa82c
[   21.907546] R10: ff38f4c9c609a120 R11: fefefefefefefeff R12: 0000000000000000
[   21.907623] R13: 0000000000000011 R14: ff38f4c9c609a000 R15: ff38f4c9c3cd4c00
[   21.907706] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.907786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.907859] CR2: 00007f8b5416d000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.907941] PKRU: 55555554
[   21.907995] Call Trace:
[   21.908046]  <TASK>
[   21.908096]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.908173]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.908243]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.908303]  cleanup_net (net/core/net_namespace.c:702)
[   21.908362]  process_one_work (kernel/workqueue.c:3314)
[   21.908422]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.908481]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.908542]  kthread (kernel/kthread.c:436)
[   21.908602]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.908663]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.908724]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.908785]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.909092] ------------[ cut here ]------------
| [   21.909132] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/462
| [   21.909182] Modules linked in:
| [   21.909259] Tainted: [W]=WARN
[   21.909280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.909313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.909339] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.909428] RSP: 0018:ff6096b040aa7cb8 EFLAGS: 00010286
[   21.909452] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.909495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd8b00
[   21.909535] RBP: 0000000000000000 R08: ff38f4c9c324cdd0 R09: ff38f4c9c1e6e02c
[   21.909575] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   21.909615] R13: 0000000000000010 R14: ff38f4c9c3e32000 R15: ff38f4c9c3cd8b00
[   21.909658] FS:  00007f7c4f9c5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   21.909697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.909730] CR2: 00007f7c4fbd1690 CR3: 0000000006333006 CR4: 0000000000771ef0
[   21.909765] PKRU: 55555554
[   21.909780] Call Trace:
[   21.909793]  <TASK>
[   21.909808]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.909829]  register_netdevice (net/core/dev.c:11488)
[   21.909849]  register_netdev (net/core/dev.c:11552)
[   21.909870]  loopback_net_init (drivers/net/loopback.c:218)
[   21.909894]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   21.909926]  ops_init (net/core/net_namespace.c:137)
[   21.909947]  setup_net (net/core/net_namespace.c:446)
[   21.909974]  copy_net_ns (net/core/net_namespace.c:579)
[   21.909995]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.910031]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.910057]  ksys_unshare (kernel/fork.c:3243)
[   21.910078]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.910101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.910136]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.910164] RIP: 0033:0x7f7c4fc87bcb
[   21.910185] 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
[   21.910273] RSP: 002b:00007ffd1131ce88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.910311] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c4fc87bcb
[   21.910354] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.910390] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.910429] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1131f0b0
[   21.910466] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd113208a1
| [   21.910582] ------------[ cut here ]------------
| [   21.910610] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/462
| [   21.910654] Modules linked in:
| [   21.910727] Tainted: [W]=WARN
[   21.910747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.910781] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.910807] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.910897] RSP: 0018:ff6096b040aa7c10 EFLAGS: 00010286
[   21.910923] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.910966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd7200
[   21.911009] RBP: 0000000000000000 R08: ff38f4c9c3378490 R09: ff38f4c9c6097030
[   21.911048] R10: ff38f4c9c1e6e120 R11: fefefefefefefeff R12: 0000000000000000
[   21.911090] R13: 0000000000000010 R14: ff38f4c9c1e6e000 R15: ff38f4c9c3cd7200
[   21.911133] FS:  00007f7c4f9c5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   21.911172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.911206] CR2: 00007f7c4fbd1690 CR3: 0000000006333006 CR4: 0000000000771ef0
[   21.911245] PKRU: 55555554
[   21.911259] Call Trace:
[   21.911277]  <TASK>
[   21.911293]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.911311]  register_netdevice (net/core/dev.c:11488)
[   21.911331]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.911357]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.911380]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   21.911402]  ops_init (net/core/net_namespace.c:137)
[   21.911421]  setup_net (net/core/net_namespace.c:446)
[   21.911442]  copy_net_ns (net/core/net_namespace.c:579)
[   21.911463]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.911488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.911516]  ksys_unshare (kernel/fork.c:3243)
[   21.911537]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.911557]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.911580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.911606] RIP: 0033:0x7f7c4fc87bcb
[   21.911626] 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
[   21.911713] RSP: 002b:00007ffd1131ce88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.911757] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c4fc87bcb
[   21.911795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.911839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.911880] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1131f0b0
[   21.911916] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd113208a1
| [   21.912028] ------------[ cut here ]------------
| [   21.912055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/462
| [   21.912100] Modules linked in:
| [   21.912185] Tainted: [W]=WARN
[   21.912205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.912238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.912263] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.912356] RSP: 0018:ff6096b040aa7bf0 EFLAGS: 00010286
[   21.912389] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.912427] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd5900
[   21.912467] RBP: 0000000000000000 R08: ff38f4c9c316e910 R09: ff38f4c9c1257830
[   21.912505] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   21.912540] R13: 0000000000000010 R14: ff38f4c9c31c4000 R15: ff38f4c9c3cd5900
[   21.912581] FS:  00007f7c4f9c5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   21.912624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.912655] CR2: 00007f7c4fbd1690 CR3: 0000000006333006 CR4: 0000000000771ef0
[   21.912696] PKRU: 55555554
[   21.912710] Call Trace:
[   21.912724]  <TASK>
[   21.912739]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.912760]  register_netdevice (net/core/dev.c:11488)
[   21.912780]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.912801]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.912822]  vti_init_net (net/ipv4/ip_vti.c:517)
[   21.912845]  ops_init (net/core/net_namespace.c:137)
[   21.912865]  setup_net (net/core/net_namespace.c:446)
[   21.912885]  copy_net_ns (net/core/net_namespace.c:579)
[   21.912905]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.912930]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.912960]  ksys_unshare (kernel/fork.c:3243)
[   21.912985]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.913005]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.913026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.913050] RIP: 0033:0x7f7c4fc87bcb
[   21.913074] 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
[   21.913167] RSP: 002b:00007ffd1131ce88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.913207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c4fc87bcb
[   21.913246] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.913287] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.913327] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1131f0b0
[   21.913370] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd113208a1
| [   21.913487] ------------[ cut here ]------------
| [   21.913513] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/462
| [   21.913561] Modules linked in:
| [   21.913636] Tainted: [W]=WARN
[   21.913655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.913693] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.913718] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.913806] RSP: 0018:ff6096b040aa7ca8 EFLAGS: 00010286
[   21.913835] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.913870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df1900
[   21.913905] RBP: 0000000000000000 R08: ff38f4c9c3296790 R09: ff38f4c9c1c30034
[   21.913949] R10: ff38f4c9c3c77120 R11: fefefefefefefeff R12: 0000000000000000
[   21.913992] R13: 0000000000000010 R14: ff38f4c9c3c77000 R15: ff38f4c9c1df1900
[   21.914031] FS:  00007f7c4f9c5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   21.914077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.914110] CR2: 00007f7c4fbd1690 CR3: 0000000006333006 CR4: 0000000000771ef0
[   21.914157] PKRU: 55555554
[   21.914172] Call Trace:
[   21.914188]  <TASK>
[   21.914204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.914225]  register_netdevice (net/core/dev.c:11488)
[   21.914245]  register_netdev (net/core/dev.c:11552)
[   21.914267]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   21.914290]  ops_init (net/core/net_namespace.c:137)
[   21.914310]  setup_net (net/core/net_namespace.c:446)
[   21.914331]  copy_net_ns (net/core/net_namespace.c:579)
[   21.914350]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.914377]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.914402]  ksys_unshare (kernel/fork.c:3243)
[   21.914422]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.914443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.914463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.914490] RIP: 0033:0x7f7c4fc87bcb
[   21.914511] 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
[   21.914603] RSP: 002b:00007ffd1131ce88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.914644] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c4fc87bcb
[   21.914683] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.914718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.914758] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1131f0b0
[   21.914794] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd113208a1
| [   21.914909] ------------[ cut here ]------------
| [   21.914935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/462
| [   21.914985] Modules linked in:
| [   21.915062] Tainted: [W]=WARN
[   21.915084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.915122] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.915150] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.915241] RSP: 0018:ff6096b040aa7ca0 EFLAGS: 00010286
[   21.915267] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.915312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cdb600
[   21.915352] RBP: 0000000000000000 R08: ff38f4c9c32a1190 R09: ff38f4c9c3c89030
[   21.915392] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   21.915430] R13: 0000000000000010 R14: ff38f4c9c1c30000 R15: ff38f4c9c3cdb600
[   21.915476] FS:  00007f7c4f9c5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   21.915514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.915555] CR2: 00007f7c4fbd1690 CR3: 0000000006333006 CR4: 0000000000771ef0
[   21.915594] PKRU: 55555554
[   21.915608] Call Trace:
[   21.915620]  <TASK>
[   21.915632]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.915650]  register_netdevice (net/core/dev.c:11488)
[   21.915671]  register_netdev (net/core/dev.c:11552)
[   21.915690]  sit_init_net (net/ipv6/sit.c:1860)
[   21.915711]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   21.915731]  ops_init (net/core/net_namespace.c:137)
[   21.915751]  setup_net (net/core/net_namespace.c:446)
[   21.915775]  copy_net_ns (net/core/net_namespace.c:579)
[   21.915794]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.915822]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.915848]  ksys_unshare (kernel/fork.c:3243)
[   21.915869]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.915894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.915915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.915942] RIP: 0033:0x7f7c4fc87bcb
[   21.915965] 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
[   21.916051] RSP: 002b:00007ffd1131ce88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.916095] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c4fc87bcb
[   21.916143] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.916181] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.916227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1131f0b0
[   21.916266] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd113208a1
| [   21.916387] ------------[ cut here ]------------
| [   21.916413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/462
| [   21.916463] Modules linked in:
| [   21.916535] Tainted: [W]=WARN
[   21.916555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.916592] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.916618] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.916703] RSP: 0018:ff6096b040aa7ca8 EFLAGS: 00010286
[   21.916731] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.916766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd7100
[   21.916809] RBP: 0000000000000000 R08: ff38f4c9c32a1290 R09: ff38f4c9c6143030
[   21.916847] R10: ff38f4c9c3c89120 R11: fefefefefefefeff R12: 0000000000000000
[   21.916887] R13: 0000000000000010 R14: ff38f4c9c3c89000 R15: ff38f4c9c3cd7100
[   21.916930] FS:  00007f7c4f9c5840(0000) GS:ff38f4ca6eec8000(0000) knlGS:0000000000000000
[   21.916974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.917005] CR2: 00007f7c4fbd1690 CR3: 0000000006333006 CR4: 0000000000771ef0
[   21.917045] PKRU: 55555554
[   21.917060] Call Trace:
[   21.917079]  <TASK>
[   21.917091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.917120]  register_netdevice (net/core/dev.c:11488)
[   21.917140]  register_netdev (net/core/dev.c:11552)
[   21.917160]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   21.917182]  ops_init (net/core/net_namespace.c:137)
[   21.917200]  setup_net (net/core/net_namespace.c:446)
[   21.917220]  copy_net_ns (net/core/net_namespace.c:579)
[   21.917242]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.917268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.917296]  ksys_unshare (kernel/fork.c:3243)
[   21.917316]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.917337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.917358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.917392] RIP: 0033:0x7f7c4fc87bcb
[   21.917411] 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
[   21.917500] RSP: 002b:00007ffd1131ce88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.917535] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c4fc87bcb
[   21.917574] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.917614] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.917658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd1131f0b0
[   21.917693] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd113208a1
| [   21.920897] ------------[ cut here ]------------
| [   21.920935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/463
| [   21.920995] Modules linked in:
| [   21.921074] Tainted: [W]=WARN
[   21.921098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.921138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.921167] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.921256] RSP: 0018:ff6096b040aaf720 EFLAGS: 00010286
[   21.921285] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   21.921327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c184b500
[   21.921369] RBP: 0000000000000000 R08: ff38f4c9c324cdd0 R09: ff38f4c9c31c002c
[   21.921407] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   21.921447] R13: 0000000000000010 R14: ff38f4c9c3e32000 R15: ff38f4c9c184b500
[   21.921490] FS:  00007fa13d50f840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   21.921530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.921562] CR2: 000000003b339988 CR3: 0000000006332005 CR4: 0000000000771ef0
[   21.921603] PKRU: 55555554
[   21.921618] Call Trace:
[   21.921635]  <TASK>
[   21.921648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.921670]  __dev_notify_flags (net/core/dev.c:9787)
[   21.921692]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   21.921713]  netif_change_flags (net/core/dev.c:9820)
[   21.921735]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.921762]  ? __nla_validate_parse (lib/nlattr.c:620)
[   21.921792]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   21.921815]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   21.921839]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   21.921866]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.921887]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   21.921910]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   21.921937]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.921969]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.921990]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.922013]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.922036]  ___sys_sendmsg (net/socket.c:2752)
[   21.922059]  __sys_sendmsg (net/socket.c:2784)
[   21.922084]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.922106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.922143] RIP: 0033:0x7fa13d74908e
[   21.922164] 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
[   21.922252] RSP: 002b:00007fffe631e3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.922295] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa13d74908e
[   21.922333] RDX: 0000000000000000 RSI: 00007fffe631e480 RDI: 0000000000000005
[   21.922374] RBP: 00007fffe631e3e0 R08: 0000000000000000 R09: 0000000000000000
[   21.922412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e73c
[   21.922447] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe631eb50
| [   21.939046] ------------[ cut here ]------------
| [   21.939153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.939250] Modules linked in:
| [   21.939432] Tainted: [W]=WARN
[   21.939491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.939584] Workqueue: netns cleanup_net
[   21.939675] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.939745] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.939875] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.939939] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.940042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.940132] RBP: 0000000000000000 R08: ff38f4c9c3296c10 R09: ff38f4c9c13d0030
[   21.940229] R10: ff38f4c9c1e6c120 R11: fefefefefefefeff R12: 0000000000000000
[   21.940319] R13: 0000000000000011 R14: ff38f4c9c1e6c000 R15: ff38f4c9c3cd4c00
[   21.940402] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.940484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.940584] CR2: 00007f449083a000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.940668] PKRU: 55555554
[   21.940733] Call Trace:
[   21.940784]  <TASK>
[   21.940840]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.940954]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.941048]  cleanup_net (net/core/net_namespace.c:702)
[   21.941150]  process_one_work (kernel/workqueue.c:3314)
[   21.941204]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.941268]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.941353]  kthread (kernel/kthread.c:436)
[   21.941419]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.941511]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.941565]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.941656]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.941935] ------------[ cut here ]------------
| [   21.942011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.942106] Modules linked in:
| [   21.942259] Tainted: [W]=WARN
[   21.942322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.942386] Workqueue: netns cleanup_net
[   21.942447] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.942514] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.942666] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.942739] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.942850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.942930] RBP: 0000000000000000 R08: ff38f4c9c32c66d0 R09: ff38f4c9c614c030
[   21.943042] R10: ff38f4c9c3c73120 R11: fefefefefefefeff R12: 0000000000000000
[   21.943126] R13: 0000000000000011 R14: ff38f4c9c3c73000 R15: ff38f4c9c3cd4c00
[   21.943222] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.943303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.943408] CR2: 00007f449083a000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.943482] PKRU: 55555554
[   21.943531] Call Trace:
[   21.943584]  <TASK>
[   21.943627]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.943701]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.943758]  cleanup_net (net/core/net_namespace.c:702)
[   21.943854]  process_one_work (kernel/workqueue.c:3314)
[   21.943969]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.944034]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.944090]  kthread (kernel/kthread.c:436)
[   21.944158]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.944241]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.944329]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.944390]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.944661] ------------[ cut here ]------------
| [   21.944752] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.944866] Modules linked in:
| [   21.945028] Tainted: [W]=WARN
[   21.945086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.945179] Workqueue: netns cleanup_net
[   21.945235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.945295] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.945450] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.945517] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.945596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.945685] RBP: 0000000000000000 R08: ff38f4c9c3390bd0 R09: ff38f4c9c3e39834
[   21.945782] R10: ff38f4c9c6147120 R11: fefefefefefefeff R12: 0000000000000000
[   21.945867] R13: 0000000000000011 R14: ff38f4c9c6147000 R15: ff38f4c9c3cd4c00
[   21.945977] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.946056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.946146] CR2: 00007f449083a000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.946230] PKRU: 55555554
[   21.946277] Call Trace:
[   21.946329]  <TASK>
[   21.946380]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.946447]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.946509]  cleanup_net (net/core/net_namespace.c:702)
[   21.946571]  process_one_work (kernel/workqueue.c:3314)
[   21.946633]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.946691]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.946752]  kthread (kernel/kthread.c:436)
[   21.946813]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.946875]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.946933]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.947000]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.947237] ------------[ cut here ]------------
| [   21.947301] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.947395] Modules linked in:
| [   21.947546] Tainted: [W]=WARN
[   21.947605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.947674] Workqueue: netns cleanup_net
[   21.947736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.947807] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.947936] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.948014] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.948094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.948180] RBP: 0000000000000000 R08: ff38f4c9c3316210 R09: ff38f4c9c614a030
[   21.948262] R10: ff38f4c9c609b120 R11: fefefefefefefeff R12: 0000000000000000
[   21.948340] R13: 0000000000000011 R14: ff38f4c9c609b000 R15: ff38f4c9c3cd4c00
[   21.948425] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.948510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.948583] CR2: 00007f449083a000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.948666] PKRU: 55555554
[   21.948718] Call Trace:
[   21.948767]  <TASK>
[   21.948818]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.948887]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.948948]  cleanup_net (net/core/net_namespace.c:702)
[   21.949020]  process_one_work (kernel/workqueue.c:3314)
[   21.949081]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.949147]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.949208]  kthread (kernel/kthread.c:436)
[   21.949266]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.949328]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.949388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.949449]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.949675] ------------[ cut here ]------------
| [   21.949741] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.949835] Modules linked in:
| [   21.949992] Tainted: [W]=WARN
[   21.950051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.950133] Workqueue: netns cleanup_net
[   21.950195] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.950262] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.950388] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   21.950456] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.950532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.950609] RBP: 0000000000000000 R08: ff38f4c9c331c950 R09: ff38f4c9c3c24030
[   21.950688] R10: ff38f4c9c613c120 R11: fefefefefefefeff R12: 0000000000000000
[   21.950764] R13: 0000000000000011 R14: ff38f4c9c613c000 R15: ff38f4c9c3cd4c00
[   21.950845] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.950928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.951009] CR2: 00007f449083a000 CR3: 000000002d847006 CR4: 0000000000771ef0
[   21.951090] PKRU: 55555554
[   21.951145] Call Trace:
[   21.951198]  <TASK>
[   21.951250]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.951315]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.951378]  cleanup_net (net/core/net_namespace.c:702)
[   21.951441]  process_one_work (kernel/workqueue.c:3314)
[   21.951504]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.951565]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.951627]  kthread (kernel/kthread.c:436)
[   21.951689]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.951752]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.951814]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.951876]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.952176] ------------[ cut here ]------------
| [   21.952209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/471
| [   21.952257] Modules linked in:
| [   21.952335] Tainted: [W]=WARN
[   21.952358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.952392] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.952418] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.952510] RSP: 0018:ff6096b040ae7cb8 EFLAGS: 00010286
[   21.952537] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.952576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189b400
[   21.952613] RBP: 0000000000000000 R08: ff38f4c9c3378bd0 R09: ff38f4c9c61a402c
[   21.952653] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[   21.952700] R13: 0000000000000010 R14: ff38f4c9c3e40000 R15: ff38f4c9c189b400
[   21.952740] FS:  00007fba5aafe840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.952781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.952818] CR2: 00007fba5acffc20 CR3: 0000000003dc7005 CR4: 0000000000771ef0
[   21.952864] PKRU: 55555554
[   21.952878] Call Trace:
[   21.952891]  <TASK>
[   21.952904]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.952926]  register_netdevice (net/core/dev.c:11488)
[   21.952947]  register_netdev (net/core/dev.c:11552)
[   21.952973]  loopback_net_init (drivers/net/loopback.c:218)
[   21.952996]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   21.953024]  ops_init (net/core/net_namespace.c:137)
[   21.953046]  setup_net (net/core/net_namespace.c:446)
[   21.953069]  copy_net_ns (net/core/net_namespace.c:579)
[   21.953090]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.953122]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.953151]  ksys_unshare (kernel/fork.c:3243)
[   21.953172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.953196]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.953218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.953249] RIP: 0033:0x7fba5adc0bcb
[   21.953272] 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
[   21.953360] RSP: 002b:00007ffe7009a268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.953399] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba5adc0bcb
[   21.953446] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.953485] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.953527] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7009c490
[   21.953566] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7009d89f
| [   21.953681] ------------[ cut here ]------------
| [   21.953707] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/471
| [   21.953752] Modules linked in:
| [   21.953828] Tainted: [W]=WARN
[   21.953847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.953881] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.953910] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.954011] RSP: 0018:ff6096b040ae7c10 EFLAGS: 00010286
[   21.954038] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.954078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189bc00
[   21.954121] RBP: 0000000000000000 R08: ff38f4c9c32ae410 R09: ff38f4c9c612d030
[   21.954162] R10: ff38f4c9c61a4120 R11: fefefefefefefeff R12: 0000000000000000
[   21.954201] R13: 0000000000000010 R14: ff38f4c9c61a4000 R15: ff38f4c9c189bc00
[   21.954245] FS:  00007fba5aafe840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.954284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.954317] CR2: 00007fba5acffc20 CR3: 0000000003dc7005 CR4: 0000000000771ef0
[   21.954359] PKRU: 55555554
[   21.954372] Call Trace:
[   21.954388]  <TASK>
[   21.954400]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.954420]  register_netdevice (net/core/dev.c:11488)
[   21.954441]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.954468]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.954489]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   21.954511]  ops_init (net/core/net_namespace.c:137)
[   21.954532]  setup_net (net/core/net_namespace.c:446)
[   21.954555]  copy_net_ns (net/core/net_namespace.c:579)
[   21.954576]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.954606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.954633]  ksys_unshare (kernel/fork.c:3243)
[   21.954654]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.954675]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.954697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.954725] RIP: 0033:0x7fba5adc0bcb
[   21.954746] 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
[   21.954836] RSP: 002b:00007ffe7009a268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.954873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba5adc0bcb
[   21.954910] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.954948] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.954992] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7009c490
[   21.955031] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7009d89f
| [   21.955149] ------------[ cut here ]------------
| [   21.955176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/471
| [   21.955221] Modules linked in:
| [   21.955295] Tainted: [W]=WARN
[   21.955316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.955346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.955374] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.955460] RSP: 0018:ff6096b040ae7bf0 EFLAGS: 00010286
[   21.955485] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.955521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ae00
[   21.955559] RBP: 0000000000000000 R08: ff38f4c9c331c850 R09: ff38f4c9c31f1830
[   21.955596] R10: ff38f4c9c3c74120 R11: fefefefefefefeff R12: 0000000000000000
[   21.955635] R13: 0000000000000010 R14: ff38f4c9c3c74000 R15: ff38f4c9c189ae00
[   21.955676] FS:  00007fba5aafe840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.955715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.955747] CR2: 00007fba5acffc20 CR3: 0000000003dc7005 CR4: 0000000000771ef0
[   21.955793] PKRU: 55555554
[   21.955808] Call Trace:
[   21.955822]  <TASK>
[   21.955838]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.955859]  register_netdevice (net/core/dev.c:11488)
[   21.955880]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.955900]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.955922]  vti_init_net (net/ipv4/ip_vti.c:517)
[   21.955944]  ops_init (net/core/net_namespace.c:137)
[   21.955966]  setup_net (net/core/net_namespace.c:446)
[   21.955989]  copy_net_ns (net/core/net_namespace.c:579)
[   21.956012]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.956041]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.956071]  ksys_unshare (kernel/fork.c:3243)
[   21.956091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.956110]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.956136]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.956164] RIP: 0033:0x7fba5adc0bcb
[   21.956181] 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
[   21.956267] RSP: 002b:00007ffe7009a268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.956306] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba5adc0bcb
[   21.956353] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.956394] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.956432] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7009c490
[   21.956477] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7009d89f
| [   21.956593] ------------[ cut here ]------------
| [   21.956621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/471
| [   21.956673] Modules linked in:
| [   21.956749] Tainted: [W]=WARN
[   21.956768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.956803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.956829] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.956915] RSP: 0018:ff6096b040ae7ca8 EFLAGS: 00010286
[   21.956942] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.956984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd9100
[   21.957025] RBP: 0000000000000000 R08: ff38f4c9c32fae10 R09: ff38f4c9c6146034
[   21.957068] R10: ff38f4c9c1180120 R11: fefefefefefefeff R12: 0000000000000000
[   21.957107] R13: 0000000000000010 R14: ff38f4c9c1180000 R15: ff38f4c9c3cd9100
[   21.957154] FS:  00007fba5aafe840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.957196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.957227] CR2: 00007fba5acffc20 CR3: 0000000003dc7005 CR4: 0000000000771ef0
[   21.957266] PKRU: 55555554
[   21.957280] Call Trace:
[   21.957292]  <TASK>
[   21.957308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.957328]  register_netdevice (net/core/dev.c:11488)
[   21.957349]  register_netdev (net/core/dev.c:11552)
[   21.957369]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   21.957394]  ops_init (net/core/net_namespace.c:137)
[   21.957418]  setup_net (net/core/net_namespace.c:446)
[   21.957440]  copy_net_ns (net/core/net_namespace.c:579)
[   21.957461]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.957488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.957515]  ksys_unshare (kernel/fork.c:3243)
[   21.957535]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.957556]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.957577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.957609] RIP: 0033:0x7fba5adc0bcb
[   21.957631] 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
[   21.957729] RSP: 002b:00007ffe7009a268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.957766] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba5adc0bcb
[   21.957805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.957850] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.957886] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7009c490
[   21.957923] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7009d89f
| [   21.958039] ------------[ cut here ]------------
| [   21.958065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/471
| [   21.958110] Modules linked in:
| [   21.958186] Tainted: [W]=WARN
[   21.958205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.958239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.958266] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.958360] RSP: 0018:ff6096b040ae7ca0 EFLAGS: 00010286
[   21.958390] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.958425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c1df6a00
[   21.958466] RBP: 0000000000000000 R08: ff38f4c9c32ae690 R09: ff38f4c9c3e30030
[   21.958506] R10: ff38f4c9c6146120 R11: fefefefefefefeff R12: 0000000000000000
[   21.958546] R13: 0000000000000010 R14: ff38f4c9c6146000 R15: ff38f4c9c1df6a00
[   21.958586] FS:  00007fba5aafe840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.958626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.958659] CR2: 00007fba5acffc20 CR3: 0000000003dc7005 CR4: 0000000000771ef0
[   21.958699] PKRU: 55555554
[   21.958714] Call Trace:
[   21.958729]  <TASK>
[   21.958745]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.958765]  register_netdevice (net/core/dev.c:11488)
[   21.958786]  register_netdev (net/core/dev.c:11552)
[   21.958809]  sit_init_net (net/ipv6/sit.c:1860)
[   21.958830]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   21.958851]  ops_init (net/core/net_namespace.c:137)
[   21.958871]  setup_net (net/core/net_namespace.c:446)
[   21.958896]  copy_net_ns (net/core/net_namespace.c:579)
[   21.958918]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.958945]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.958973]  ksys_unshare (kernel/fork.c:3243)
[   21.958994]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.959020]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.959042]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.959069] RIP: 0033:0x7fba5adc0bcb
[   21.959087] 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
[   21.959184] RSP: 002b:00007ffe7009a268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.959224] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba5adc0bcb
[   21.959266] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.959306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.959347] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7009c490
[   21.959384] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7009d89f
| [   21.959501] ------------[ cut here ]------------
| [   21.959529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/471
| [   21.959578] Modules linked in:
| [   21.959648] Tainted: [W]=WARN
[   21.959667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.959704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.959730] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.959820] RSP: 0018:ff6096b040ae7ca8 EFLAGS: 00010286
[   21.959848] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.959892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c183ed00
[   21.959934] RBP: 0000000000000000 R08: ff38f4c9c32c6890 R09: ff38f4c9c61a3030
[   21.959976] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[   21.960015] R13: 0000000000000010 R14: ff38f4c9c3e30000 R15: ff38f4c9c183ed00
[   21.960055] FS:  00007fba5aafe840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   21.960095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.960131] CR2: 00007fba5acffc20 CR3: 0000000003dc7005 CR4: 0000000000771ef0
[   21.960171] PKRU: 55555554
[   21.960190] Call Trace:
[   21.960202]  <TASK>
[   21.960217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.960238]  register_netdevice (net/core/dev.c:11488)
[   21.960257]  register_netdev (net/core/dev.c:11552)
[   21.960277]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   21.960299]  ops_init (net/core/net_namespace.c:137)
[   21.960319]  setup_net (net/core/net_namespace.c:446)
[   21.960339]  copy_net_ns (net/core/net_namespace.c:579)
[   21.960360]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.960384]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.960413]  ksys_unshare (kernel/fork.c:3243)
[   21.960438]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.960459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.960480]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.960507] RIP: 0033:0x7fba5adc0bcb
[   21.960531] 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
[   21.960621] RSP: 002b:00007ffe7009a268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.960665] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fba5adc0bcb
[   21.960704] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.960747] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.960788] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe7009c490
[   21.960828] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe7009d89f
| [   21.963920] ------------[ cut here ]------------
| [   21.963954] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/472
| [   21.964005] Modules linked in:
| [   21.964085] Tainted: [W]=WARN
[   21.964106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.964147] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.964175] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.964264] RSP: 0018:ff6096b040ae7720 EFLAGS: 00010286
[   21.964294] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   21.964339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c184b500
[   21.964382] RBP: 0000000000000000 R08: ff38f4c9c3378bd0 R09: ff38f4c9c31c602c
[   21.964423] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[   21.964465] R13: 0000000000000010 R14: ff38f4c9c3e40000 R15: ff38f4c9c184b500
[   21.964506] FS:  00007fab7cdbc840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   21.964547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.964582] CR2: 00000000230b0988 CR3: 0000000006119003 CR4: 0000000000771ef0
[   21.964627] PKRU: 55555554
[   21.964642] Call Trace:
[   21.964655]  <TASK>
[   21.964670]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.964692]  __dev_notify_flags (net/core/dev.c:9787)
[   21.964712]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   21.964731]  netif_change_flags (net/core/dev.c:9820)
[   21.964753]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.964780]  ? __nla_validate_parse (lib/nlattr.c:620)
[   21.964810]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   21.964832]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   21.964854]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   21.964879]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.964903]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   21.964925]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   21.964954]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.964981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.965002]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.965024]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.965044]  ___sys_sendmsg (net/socket.c:2752)
[   21.965065]  __sys_sendmsg (net/socket.c:2784)
[   21.965086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.965105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.965135] RIP: 0033:0x7fab7cff608e
[   21.965156] 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
[   21.965243] RSP: 002b:00007ffd6128b580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.965289] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab7cff608e
[   21.965326] RDX: 0000000000000000 RSI: 00007ffd6128b630 RDI: 0000000000000005
[   21.965372] RBP: 00007ffd6128b590 R08: 0000000000000000 R09: 0000000000000000
[   21.965414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e73c
[   21.965452] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6128bd00
| [   21.966089] ------------[ cut here ]------------
| [   21.966183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.966317] Modules linked in:
| [   21.966466] Tainted: [W]=WARN
[   21.966521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.966590] Workqueue: netns cleanup_net
[   21.966647] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.966711] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.966840] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   21.966903] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   21.966988] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.967064] RBP: 0000000000000000 R08: ff38f4c9c18f7350 R09: ff38f4c9c613c02c
[   21.967149] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   21.967226] R13: 0000000000000010 R14: ff38f4c9c3e36000 R15: ff38f4c9c3cd4c00
[   21.967307] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.967385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.967454] CR2: 00007ffd70e46ba8 CR3: 000000000326f001 CR4: 0000000000771ef0
[   21.967534] PKRU: 55555554
[   21.967582] Call Trace:
[   21.967631]  <TASK>
[   21.967679]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.967736]  netif_close_many (net/core/dev.c:1804)
[   21.967794]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.967859]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   21.967918]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.967989]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.968046]  cleanup_net (net/core/net_namespace.c:702)
[   21.968104]  process_one_work (kernel/workqueue.c:3314)
[   21.968188]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.968245]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.968302]  kthread (kernel/kthread.c:436)
[   21.968358]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.968415]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.968473]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.968530]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.968825] ------------[ cut here ]------------
| [   21.968887] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   21.968986] Modules linked in:
| [   21.969141] Tainted: [W]=WARN
[   21.969209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.969284] Workqueue: netns cleanup_net
[   21.969349] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.969419] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.969548] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   21.969617] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.969696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4c00
[   21.969777] RBP: 0000000000000000 R08: ff38f4c9c18f7350 R09: ff38f4c9c13d082c
[   21.969858] R10: ff38f4c9c3e36120 R11: fefefefefefefeff R12: 0000000000000000
[   21.969934] R13: 0000000000000011 R14: ff38f4c9c3e36000 R15: ff38f4c9c3cd4c00
[   21.970036] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   21.970110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.970194] CR2: 00007f23b5029668 CR3: 000000000326f001 CR4: 0000000000771ef0
[   21.970307] PKRU: 55555554
[   21.970363] Call Trace:
[   21.970422]  <TASK>
[   21.970474]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.970541]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.970608]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.970701]  cleanup_net (net/core/net_namespace.c:702)
[   21.970774]  process_one_work (kernel/workqueue.c:3314)
[   21.970841]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.970909]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.971016]  kthread (kernel/kthread.c:436)
[   21.971102]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.971164]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.971259]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.971325]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.981147] ------------[ cut here ]------------
| [   21.981189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/475
| [   21.981238] Modules linked in:
| [   21.981321] Tainted: [W]=WARN
[   21.981344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.981380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.981409] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.981512] RSP: 0018:ff6096b040af75f0 EFLAGS: 00010286
[   21.981540] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.981579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   21.981617] RBP: 0000000000000000 R08: ff38f4c9c2f6b610 R09: ff38f4c9c1c31034
[   21.981658] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   21.981697] R13: 0000000000000010 R14: ff38f4c9c31c0000 R15: ff38f4c9c3cd4e00
[   21.981743] FS:  00007f62bc601840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   21.981791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.981827] CR2: 00000000004eb188 CR3: 00000000033c2002 CR4: 0000000000771ef0
[   21.981869] PKRU: 55555554
[   21.981885] Call Trace:
[   21.981901]  <TASK>
[   21.981913]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.981937]  __dev_notify_flags (net/core/dev.c:9787)
[   21.981969]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.981991]  veth_newlink (drivers/net/veth.c:1871)
[   21.982017]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   21.982041]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   21.982069]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.982091]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   21.982125]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   21.982157]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.982181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.982202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.982227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.982249]  ___sys_sendmsg (net/socket.c:2752)
[   21.982271]  __sys_sendmsg (net/socket.c:2784)
[   21.982292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.982313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.982345] RIP: 0033:0x7f62bc83b08e
[   21.982366] 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
[   21.982450] RSP: 002b:00007ffff9bff230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.982490] RAX: ffffffffffffffda RBX: 00007ffff9bff9e0 RCX: 00007f62bc83b08e
[   21.982534] RDX: 0000000000000000 RSI: 00007ffff9bff2e0 RDI: 0000000000000005
[   21.982575] RBP: 00007ffff9bff240 R08: 0000000000000000 R09: 0000000000000000
[   21.982619] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e73c
[   21.982659] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff9bff9b8
| [   21.982838] ------------[ cut here ]------------
| [   21.982865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/475
| [   21.982922] Modules linked in:
| [   21.983010] Tainted: [W]=WARN
[   21.983031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.983065] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.983092] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.983194] RSP: 0018:ff6096b040af7870 EFLAGS: 00010286
[   21.983222] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.983261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   21.983301] RBP: 0000000000000000 R08: ff38f4c9c3316510 R09: ff38f4c9c3e36034
[   21.983341] R10: ff38f4c9c31c6120 R11: fefefefefefefeff R12: 0000000000000000
[   21.983380] R13: 0000000000000010 R14: ff38f4c9c31c6000 R15: ff38f4c9c3cd4e00
[   21.983423] FS:  00007f62bc601840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   21.983464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.983498] CR2: 00000000004eb188 CR3: 00000000033c2002 CR4: 0000000000771ef0
[   21.983541] PKRU: 55555554
[   21.983556] Call Trace:
[   21.983569]  <TASK>
[   21.983585]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.983606]  __dev_notify_flags (net/core/dev.c:9787)
[   21.983627]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   21.983650]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   21.983673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   21.983700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.983723]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   21.983755]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   21.983782]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.983805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.983826]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.983848]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.983870]  ___sys_sendmsg (net/socket.c:2752)
[   21.983892]  __sys_sendmsg (net/socket.c:2784)
[   21.983915]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.983936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.983966] RIP: 0033:0x7f62bc83b08e
[   21.983987] 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
[   21.984079] RSP: 002b:00007ffff9bff230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.984126] RAX: ffffffffffffffda RBX: 00007ffff9bff9e0 RCX: 00007f62bc83b08e
[   21.984170] RDX: 0000000000000000 RSI: 00007ffff9bff2e0 RDI: 0000000000000005
[   21.984210] RBP: 00007ffff9bff240 R08: 0000000000000000 R09: 0000000000000000
[   21.984247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e73c
[   21.984287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff9bff9b8
| [   22.016602] ------------[ cut here ]------------
| [   22.016652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/484
| [   22.016703] Modules linked in:
| [   22.016786] Tainted: [W]=WARN
[   22.016808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.016847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.016877] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.016977] RSP: 0018:ff6096b040b37720 EFLAGS: 00010286
[   22.017006] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   22.017046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd9100
[   22.017090] RBP: 0000000000000000 R08: ff38f4c9c3316510 R09: ff38f4c9c61a3034
[   22.017142] R10: ff38f4c9c31c6120 R11: fefefefefefefeff R12: 0000000000000000
[   22.017189] R13: 0000000000000010 R14: ff38f4c9c31c6000 R15: ff38f4c9c3cd9100
[   22.017235] FS:  00007f331afe1840(0000) GS:ff38f4ca6efc8000(0000) knlGS:0000000000000000
[   22.017279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.017312] CR2: 00007f331b2b11a0 CR3: 000000000338c005 CR4: 0000000000771ef0
[   22.017355] PKRU: 55555554
[   22.017368] Call Trace:
[   22.017382]  <TASK>
[   22.017399]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.017425]  __dev_notify_flags (net/core/dev.c:9787)
[   22.017448]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   22.017472]  netif_change_flags (net/core/dev.c:9820)
[   22.017494]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.017517]  ? __nla_validate_parse (lib/nlattr.c:620)
[   22.017548]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   22.017575]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   22.017597]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   22.017625]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.017647]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   22.017670]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   22.017699]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.017723]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.017746]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.017773]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.017797]  ___sys_sendmsg (net/socket.c:2752)
[   22.017819]  __sys_sendmsg (net/socket.c:2784)
[   22.017841]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.017863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.017892] RIP: 0033:0x7f331b21b08e
[   22.017911] 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
[   22.018007] RSP: 002b:00007ffcb91e4820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.018053] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f331b21b08e
[   22.018096] RDX: 0000000000000000 RSI: 00007ffcb91e48d0 RDI: 0000000000000005
[   22.018139] RBP: 00007ffcb91e4830 R08: 0000000000000000 R09: 0000000000000000
[   22.018181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e73c
[   22.018225] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb91e4fa8
| [   22.021368] ------------[ cut here ]------------
| [   22.021412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/485
| [   22.021465] Modules linked in:
| [   22.021556] Tainted: [W]=WARN
[   22.021577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.021612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.021640] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.021733] RSP: 0018:ff6096b040b37720 EFLAGS: 00010286
[   22.021763] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   22.021804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   22.021844] RBP: 0000000000000000 R08: ff38f4c9c2f6b610 R09: ff38f4c9c3e36034
[   22.021885] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   22.021924] R13: 0000000000000010 R14: ff38f4c9c31c0000 R15: ff38f4c9c3cd4e00
[   22.021978] FS:  00007f8eb68e3840(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   22.022026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.022057] CR2: 00000000153fa988 CR3: 00000000032df004 CR4: 0000000000771ef0
[   22.022106] PKRU: 55555554
[   22.022125] Call Trace:
[   22.022139]  <TASK>
[   22.022153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.022177]  __dev_notify_flags (net/core/dev.c:9787)
[   22.022200]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   22.022222]  netif_change_flags (net/core/dev.c:9820)
[   22.022245]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.022268]  ? __nla_validate_parse (lib/nlattr.c:620)
[   22.022299]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   22.022325]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   22.022350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   22.022381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.022403]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   22.022425]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   22.022455]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.022479]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.022500]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.022521]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.022543]  ___sys_sendmsg (net/socket.c:2752)
[   22.022568]  __sys_sendmsg (net/socket.c:2784)
[   22.022590]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.022613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.022642] RIP: 0033:0x7f8eb6b1d08e
[   22.022665] 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
[   22.022767] RSP: 002b:00007ffe24878ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.022812] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8eb6b1d08e
[   22.022856] RDX: 0000000000000000 RSI: 00007ffe24878c50 RDI: 0000000000000005
[   22.022896] RBP: 00007ffe24878bb0 R08: 0000000000000000 R09: 0000000000000000
[   22.022945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e73c
[   22.022991] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe24879328
| [   22.023171] ------------[ cut here ]------------
| [   22.023205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/45
| [   22.023267] Modules linked in:
| [   22.023345] Tainted: [W]=WARN
[   22.023369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.023406] Workqueue: events_unbound linkwatch_event
[   22.023435] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.023465] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.023559] RSP: 0018:ff6096b040193d50 EFLAGS: 00010286
[   22.023586] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   22.023630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   22.023674] RBP: 0000000000000000 R08: ff38f4c9c3316510 R09: ff38f4c9c3e36034
[   22.023724] R10: ff38f4c9c31c6120 R11: fefefefefefefeff R12: 0000000000000000
[   22.023765] R13: 0000000000000010 R14: ff38f4c9c31c6000 R15: ff38f4c9c3cd4e00
[   22.023807] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   22.023854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.023889] CR2: 00007f8eb69b0574 CR3: 000000002d847005 CR4: 0000000000771ef0
[   22.023933] PKRU: 55555554
[   22.023946] Call Trace:
[   22.023966]  <TASK>
[   22.023978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.024001]  netif_state_change (net/core/dev.c:1605)
[   22.024025]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.024047]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.024076]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.024099]  process_one_work (kernel/workqueue.c:3314)
[   22.024125]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.024146]  ? rescuer_thread (kernel/workqueue.c:3672)
[   22.024168]  kthread (kernel/kthread.c:436)
[   22.024191]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   22.024213]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.024232]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   22.024255]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.920033] ------------[ cut here ]------------
| [   22.920131] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/45
| [   22.920199] Modules linked in:
| [   22.920277] Tainted: [W]=WARN
[   22.920298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.920332] Workqueue: events_unbound linkwatch_event
[   22.920364] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.920401] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.920494] RSP: 0018:ff6096b040193d50 EFLAGS: 00010286
[   22.920522] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   22.920561] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c3cd4e00
[   22.920606] RBP: 0000000000000000 R08: ff38f4c9c2f6b610 R09: ff38f4c9c3e36034
[   22.920643] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   22.920689] R13: 0000000000000010 R14: ff38f4c9c31c0000 R15: ff38f4c9c3cd4e00
[   22.920734] FS:  0000000000000000(0000) GS:ff38f4ca6ee48000(0000) knlGS:0000000000000000
[   22.920776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.920811] CR2: 000055935293e028 CR3: 000000002d847005 CR4: 0000000000771ef0
[   22.920855] PKRU: 55555554
[   22.920871] Call Trace:
[   22.920886]  <TASK>
[   22.920904]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.920929]  netif_state_change (net/core/dev.c:1605)
[   22.920951]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.920980]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.921012]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.921031]  process_one_work (kernel/workqueue.c:3314)
[   22.921054]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.921076]  ? rescuer_thread (kernel/workqueue.c:3672)
[   22.921096]  kthread (kernel/kthread.c:436)
[   22.921127]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   22.921153]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.921180]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   22.921203]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.100614] ------------[ cut here ]------------
| [   24.100702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.100833] Modules linked in:
| [   24.101038] Tainted: [W]=WARN
[   24.101094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.101172] Workqueue: netns cleanup_net
[   24.101234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.101334] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.101499] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.101576] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.101662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.101742] RBP: 0000000000000000 R08: ff38f4c9c32a1290 R09: ff38f4c9c3c7d830
[   24.101850] R10: ff38f4c9c3c89120 R11: fefefefefefefeff R12: 0000000000000000
[   24.101929] R13: 0000000000000011 R14: ff38f4c9c3c89000 R15: ff38f4c9c189ac00
[   24.102012] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.102090] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.102166] CR2: 00007f0d1b3db2a0 CR3: 000000002d847005 CR4: 0000000000771ef0
[   24.102277] PKRU: 55555554
[   24.102354] Call Trace:
[   24.102403]  <TASK>
[   24.102454]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.102516]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.102601]  cleanup_net (net/core/net_namespace.c:702)
[   24.102694]  process_one_work (kernel/workqueue.c:3314)
[   24.102779]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.102887]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.102948]  kthread (kernel/kthread.c:436)
[   24.103049]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.103109]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.103171]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.103276]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.103603] ------------[ cut here ]------------
| [   24.103696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.103789] Modules linked in:
| [   24.103936] Tainted: [W]=WARN
[   24.104026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.104099] Workqueue: netns cleanup_net
[   24.104168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.104232] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.104361] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.104425] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.104501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.104577] RBP: 0000000000000000 R08: ff38f4c9c32a1190 R09: ff38f4c9c6093830
[   24.104652] R10: ff38f4c9c1c30120 R11: fefefefefefefeff R12: 0000000000000000
[   24.104729] R13: 0000000000000011 R14: ff38f4c9c1c30000 R15: ff38f4c9c189ac00
[   24.104809] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.104893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.104977] CR2: 00007f0d1b3db2a0 CR3: 000000002d847005 CR4: 0000000000771ef0
[   24.105057] PKRU: 55555554
[   24.105110] Call Trace:
[   24.105166]  <TASK>
[   24.105216]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.105285]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.105348]  cleanup_net (net/core/net_namespace.c:702)
[   24.105411]  process_one_work (kernel/workqueue.c:3314)
[   24.105469]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.105533]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.105595]  kthread (kernel/kthread.c:436)
[   24.105657]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.105715]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.105772]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.105828]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.106070] ------------[ cut here ]------------
| [   24.106140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.106256] Modules linked in:
| [   24.106456] Tainted: [W]=WARN
[   24.106528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.106618] Workqueue: netns cleanup_net
[   24.106691] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.106768] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.107010] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.107081] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.107188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.107274] RBP: 0000000000000000 R08: ff38f4c9c3296790 R09: ff38f4c9c3e3d834
[   24.107375] R10: ff38f4c9c3c77120 R11: fefefefefefefeff R12: 0000000000000000
[   24.107467] R13: 0000000000000011 R14: ff38f4c9c3c77000 R15: ff38f4c9c189ac00
[   24.107571] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.107670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.107756] CR2: 00007f0d1b3db2a0 CR3: 000000002d847005 CR4: 0000000000771ef0
[   24.107842] PKRU: 55555554
[   24.107901] Call Trace:
[   24.107955]  <TASK>
[   24.108017]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.108091]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.108165]  cleanup_net (net/core/net_namespace.c:702)
[   24.108231]  process_one_work (kernel/workqueue.c:3314)
[   24.108301]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.108381]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.108452]  kthread (kernel/kthread.c:436)
[   24.108535]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.108641]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.108705]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.108763]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.109026] ------------[ cut here ]------------
| [   24.109089] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.109233] Modules linked in:
| [   24.109402] Tainted: [W]=WARN
[   24.109461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.109528] Workqueue: netns cleanup_net
[   24.109595] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.109663] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.109804] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.109868] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.109943] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.110026] RBP: 0000000000000000 R08: ff38f4c9c316e910 R09: ff38f4c9c305a030
[   24.110115] R10: ff38f4c9c31c4120 R11: fefefefefefefeff R12: 0000000000000000
[   24.110200] R13: 0000000000000011 R14: ff38f4c9c31c4000 R15: ff38f4c9c189ac00
[   24.110279] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.110356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.110427] CR2: 00007f0d1b3db2a0 CR3: 000000002d847005 CR4: 0000000000771ef0
[   24.110509] PKRU: 55555554
[   24.110558] Call Trace:
[   24.110624]  <TASK>
[   24.110701]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.110771]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.110828]  cleanup_net (net/core/net_namespace.c:702)
[   24.110885]  process_one_work (kernel/workqueue.c:3314)
[   24.110942]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.111003]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.111061]  kthread (kernel/kthread.c:436)
[   24.111117]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.111183]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.111239]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.111295]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.111616] ------------[ cut here ]------------
| [   24.111701] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.111794] Modules linked in:
| [   24.112010] Tainted: [W]=WARN
[   24.112092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.112182] Workqueue: netns cleanup_net
[   24.112256] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.112342] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.112540] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.112627] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.112704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.112795] RBP: 0000000000000000 R08: ff38f4c9c3378490 R09: ff38f4c9c614f030
[   24.112873] R10: ff38f4c9c1e6e120 R11: fefefefefefefeff R12: 0000000000000000
[   24.112957] R13: 0000000000000011 R14: ff38f4c9c1e6e000 R15: ff38f4c9c189ac00
[   24.113076] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.113171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.113266] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.113376] PKRU: 55555554
[   24.113434] Call Trace:
[   24.113487]  <TASK>
[   24.113552]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.113642]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.113718]  cleanup_net (net/core/net_namespace.c:702)
[   24.113799]  process_one_work (kernel/workqueue.c:3314)
[   24.113872]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.113945]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.114017]  kthread (kernel/kthread.c:436)
[   24.114091]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.114169]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.114244]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.114327]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.130003] ------------[ cut here ]------------
| [   24.130105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.130207] Modules linked in:
| [   24.130369] Tainted: [W]=WARN
[   24.130428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.130499] Workqueue: netns cleanup_net
[   24.130561] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.130624] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.130759] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   24.130827] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   24.130901] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.130991] RBP: 0000000000000000 R08: ff38f4c9c2f6b610 R09: ff38f4c9c1e6e034
[   24.131070] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   24.131159] R13: 0000000000000010 R14: ff38f4c9c31c0000 R15: ff38f4c9c189ac00
[   24.131240] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.131320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.131393] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.131469] PKRU: 55555554
[   24.131518] Call Trace:
[   24.131568]  <TASK>
[   24.131620]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   24.131680]  netif_close_many (net/core/dev.c:1804)
[   24.131744]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   24.131809]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.131874]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.131940]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.132003]  cleanup_net (net/core/net_namespace.c:702)
[   24.132066]  process_one_work (kernel/workqueue.c:3314)
[   24.132139]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.132197]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.132258]  kthread (kernel/kthread.c:436)
[   24.132320]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.132383]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.132444]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.132506]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.132709] ------------[ cut here ]------------
| [   24.132776] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.132869] Modules linked in:
| [   24.133026] Tainted: [W]=WARN
[   24.133082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.133160] Workqueue: netns cleanup_net
[   24.133219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.133289] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.133421] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   24.133484] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   24.133564] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.133643] RBP: 0000000000000000 R08: ff38f4c9c3316510 R09: ff38f4c9c1e6e034
[   24.133721] R10: ff38f4c9c31c6120 R11: fefefefefefefeff R12: 0000000000000000
[   24.133794] R13: 0000000000000010 R14: ff38f4c9c31c6000 R15: ff38f4c9c189ac00
[   24.133874] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.133957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.134031] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.134108] PKRU: 55555554
[   24.134163] Call Trace:
[   24.134213]  <TASK>
[   24.134262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   24.134327]  netif_close_many (net/core/dev.c:1804)
[   24.134389]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   24.134456]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.134524]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.134590]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.134653]  cleanup_net (net/core/net_namespace.c:702)
[   24.134711]  process_one_work (kernel/workqueue.c:3314)
[   24.134775]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.134838]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.134902]  kthread (kernel/kthread.c:436)
[   24.134970]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.135029]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.135090]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.135155]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.135358] ------------[ cut here ]------------
| [   24.135424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.135516] Modules linked in:
| [   24.135659] Tainted: [W]=WARN
[   24.135718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.135791] Workqueue: netns cleanup_net
[   24.135852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.135919] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.136048] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   24.136115] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   24.136202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.136280] RBP: 0000000000000000 R08: ff38f4c9c324cdd0 R09: ff38f4c9c1e6e02c
[   24.136358] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   24.136435] R13: 0000000000000010 R14: ff38f4c9c3e32000 R15: ff38f4c9c189ac00
[   24.136513] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.136592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.136662] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.136744] PKRU: 55555554
[   24.136793] Call Trace:
[   24.136843]  <TASK>
[   24.136894]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   24.136954]  netif_close_many (net/core/dev.c:1804)
[   24.137026]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   24.137095]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   24.137168]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.137236]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.137300]  cleanup_net (net/core/net_namespace.c:702)
[   24.137363]  process_one_work (kernel/workqueue.c:3314)
[   24.137425]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.137485]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.137546]  kthread (kernel/kthread.c:436)
[   24.137607]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.137665]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.137726]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.137787]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.138026] ------------[ cut here ]------------
| [   24.138092] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.138192] Modules linked in:
| [   24.138347] Tainted: [W]=WARN
[   24.138404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.138474] Workqueue: netns cleanup_net
[   24.138535] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.138603] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.138727] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   24.138792] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.138872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.138954] RBP: 0000000000000000 R08: ff38f4c9c2f6b610 R09: ff38f4c9c3048034
[   24.139045] R10: ff38f4c9c31c0120 R11: fefefefefefefeff R12: 0000000000000000
[   24.139132] R13: 0000000000000011 R14: ff38f4c9c31c0000 R15: ff38f4c9c189ac00
[   24.139213] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.139292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.139366] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.139447] PKRU: 55555554
[   24.139498] Call Trace:
[   24.139548]  <TASK>
[   24.139598]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.139665]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.139731]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.139793]  cleanup_net (net/core/net_namespace.c:702)
[   24.139854]  process_one_work (kernel/workqueue.c:3314)
[   24.139915]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.139979]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.140041]  kthread (kernel/kthread.c:436)
[   24.140099]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.140161]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.140224]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.140285]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.140526] ------------[ cut here ]------------
| [   24.140595] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.140691] Modules linked in:
| [   24.140846] Tainted: [W]=WARN
[   24.140904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.140984] Workqueue: netns cleanup_net
[   24.141046] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.141113] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.141243] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   24.141310] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.141389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.141472] RBP: 0000000000000000 R08: ff38f4c9c3316510 R09: ff38f4c9c3c27834
[   24.141552] R10: ff38f4c9c31c6120 R11: fefefefefefefeff R12: 0000000000000000
[   24.141629] R13: 0000000000000011 R14: ff38f4c9c31c6000 R15: ff38f4c9c189ac00
[   24.141713] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.141795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.141867] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.141952] PKRU: 55555554
[   24.142006] Call Trace:
[   24.142056]  <TASK>
[   24.142106]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.142180]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.142249]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.142310]  cleanup_net (net/core/net_namespace.c:702)
[   24.142371]  process_one_work (kernel/workqueue.c:3314)
[   24.142432]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.142493]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.142555]  kthread (kernel/kthread.c:436)
[   24.142613]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.142672]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.142731]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.142792]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.143040] ------------[ cut here ]------------
| [   24.143106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.143205] Modules linked in:
| [   24.143360] Tainted: [W]=WARN
[   24.143416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.143489] Workqueue: netns cleanup_net
[   24.143550] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.143616] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.143761] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   24.143827] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.143910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.143995] RBP: 0000000000000000 R08: ff38f4c9c324cdd0 R09: ff38f4c9c60a282c
[   24.144076] R10: ff38f4c9c3e32120 R11: fefefefefefefeff R12: 0000000000000000
[   24.144165] R13: 0000000000000011 R14: ff38f4c9c3e32000 R15: ff38f4c9c189ac00
[   24.144247] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.144329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.144403] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.144479] PKRU: 55555554
[   24.144528] Call Trace:
[   24.144577]  <TASK>
[   24.144628]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.144694]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.144763]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.144826]  cleanup_net (net/core/net_namespace.c:702)
[   24.144886]  process_one_work (kernel/workqueue.c:3314)
[   24.144946]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.145015]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.145082]  kthread (kernel/kthread.c:436)
[   24.145148]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.145209]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.145269]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.145331]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.191010] ------------[ cut here ]------------
| [   24.191105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.191208] Modules linked in:
| [   24.191367] Tainted: [W]=WARN
[   24.191428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.191501] Workqueue: netns cleanup_net
[   24.191564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.191630] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.191756] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.191823] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.191905] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.191996] RBP: 0000000000000000 R08: ff38f4c9c32c6890 R09: ff38f4c9c31f4830
[   24.192075] R10: ff38f4c9c3e30120 R11: fefefefefefefeff R12: 0000000000000000
[   24.192154] R13: 0000000000000011 R14: ff38f4c9c3e30000 R15: ff38f4c9c189ac00
[   24.192238] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.192322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.192399] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.192484] PKRU: 55555554
[   24.192534] Call Trace:
[   24.192584]  <TASK>
[   24.192636]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.192707]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.192770]  cleanup_net (net/core/net_namespace.c:702)
[   24.192829]  process_one_work (kernel/workqueue.c:3314)
[   24.192892]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.192953]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.193016]  kthread (kernel/kthread.c:436)
[   24.193080]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.193149]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.193211]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.193272]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.193515] ------------[ cut here ]------------
| [   24.193578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.193670] Modules linked in:
| [   24.193821] Tainted: [W]=WARN
[   24.193880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.193957] Workqueue: netns cleanup_net
[   24.194026] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.194094] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.194236] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.194302] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.194382] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.194463] RBP: 0000000000000000 R08: ff38f4c9c32ae690 R09: ff38f4c9c60aa830
[   24.194546] R10: ff38f4c9c6146120 R11: fefefefefefefeff R12: 0000000000000000
[   24.194624] R13: 0000000000000011 R14: ff38f4c9c6146000 R15: ff38f4c9c189ac00
[   24.194710] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.194793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.194864] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.194947] PKRU: 55555554
[   24.195005] Call Trace:
[   24.195057]  <TASK>
[   24.195107]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.195183]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.195246]  cleanup_net (net/core/net_namespace.c:702)
[   24.195307]  process_one_work (kernel/workqueue.c:3314)
[   24.195371]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.195432]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.195491]  kthread (kernel/kthread.c:436)
[   24.195554]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.195618]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.195680]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.195740]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.195960] ------------[ cut here ]------------
| [   24.196032] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.196130] Modules linked in:
| [   24.196277] Tainted: [W]=WARN
[   24.196331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.196399] Workqueue: netns cleanup_net
[   24.196456] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.196520] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.196654] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.196717] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.196792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.196867] RBP: 0000000000000000 R08: ff38f4c9c32fae10 R09: ff38f4c9c3c22834
[   24.196942] R10: ff38f4c9c1180120 R11: fefefefefefefeff R12: 0000000000000000
[   24.197022] R13: 0000000000000011 R14: ff38f4c9c1180000 R15: ff38f4c9c189ac00
[   24.197100] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.197181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.197249] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.197327] PKRU: 55555554
[   24.197375] Call Trace:
[   24.197423]  <TASK>
[   24.197471]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.197535]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.197592]  cleanup_net (net/core/net_namespace.c:702)
[   24.197648]  process_one_work (kernel/workqueue.c:3314)
[   24.197705]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.197762]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.197818]  kthread (kernel/kthread.c:436)
[   24.197876]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.197933]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.197996]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.198053]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.198270] ------------[ cut here ]------------
| [   24.198331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.198421] Modules linked in:
| [   24.198568] Tainted: [W]=WARN
[   24.198622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.198690] Workqueue: netns cleanup_net
[   24.198747] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.198811] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.198941] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.199009] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.199085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.199166] RBP: 0000000000000000 R08: ff38f4c9c331c850 R09: ff38f4c9c3e39830
[   24.199242] R10: ff38f4c9c3c74120 R11: fefefefefefefeff R12: 0000000000000000
[   24.199319] R13: 0000000000000011 R14: ff38f4c9c3c74000 R15: ff38f4c9c189ac00
[   24.199398] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.199475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.199544] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.199621] PKRU: 55555554
[   24.199687] Call Trace:
[   24.199735]  <TASK>
[   24.199784]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.199848]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.199904]  cleanup_net (net/core/net_namespace.c:702)
[   24.199969]  process_one_work (kernel/workqueue.c:3314)
[   24.200025]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.200082]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.200147]  kthread (kernel/kthread.c:436)
[   24.200207]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.200266]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.200322]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.200379]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.200590] ------------[ cut here ]------------
| [   24.200652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.200742] Modules linked in:
| [   24.200891] Tainted: [W]=WARN
[   24.200944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.201017] Workqueue: netns cleanup_net
[   24.201074] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.201143] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.201276] RSP: 0018:ff6096b040247ce8 EFLAGS: 00010286
[   24.201339] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.201415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.201491] RBP: 0000000000000000 R08: ff38f4c9c32ae410 R09: ff38f4c9c6096030
[   24.201565] R10: ff38f4c9c61a4120 R11: fefefefefefefeff R12: 0000000000000000
[   24.201640] R13: 0000000000000011 R14: ff38f4c9c61a4000 R15: ff38f4c9c189ac00
[   24.201719] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.201795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.201863] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.201940] PKRU: 55555554
[   24.201995] Call Trace:
[   24.202044]  <TASK>
[   24.202092]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.202161]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.202218]  cleanup_net (net/core/net_namespace.c:702)
[   24.202275]  process_one_work (kernel/workqueue.c:3314)
[   24.202331]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.202414]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.202475]  kthread (kernel/kthread.c:436)
[   24.202531]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.202588]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.202644]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.202701]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.209000] ------------[ cut here ]------------
| [   24.209084] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.209183] Modules linked in:
| [   24.209331] Tainted: [W]=WARN
[   24.209386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.209454] Workqueue: netns cleanup_net
[   24.209511] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.209577] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.209711] RSP: 0018:ff6096b040247c08 EFLAGS: 00010286
[   24.209774] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   24.209850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.209928] RBP: 0000000000000000 R08: ff38f4c9c3378bd0 R09: ff38f4c9c61a402c
[   24.210014] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[   24.210089] R13: 0000000000000010 R14: ff38f4c9c3e40000 R15: ff38f4c9c189ac00
[   24.210176] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.210255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.210325] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.210406] PKRU: 55555554
[   24.210483] Call Trace:
[   24.210533]  <TASK>
[   24.210582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   24.210639]  netif_close_many (net/core/dev.c:1804)
[   24.210696]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   24.210760]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   24.210818]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.210882]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.210939]  cleanup_net (net/core/net_namespace.c:702)
[   24.211005]  process_one_work (kernel/workqueue.c:3314)
[   24.211061]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.211118]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.211188]  kthread (kernel/kthread.c:436)
[   24.211254]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.211319]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.211376]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.211432]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.211646] ------------[ cut here ]------------
| [   24.211707] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   24.211802] Modules linked in:
| [   24.211949] Tainted: [W]=WARN
[   24.212011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.212081] Workqueue: netns cleanup_net
[   24.212144] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.212207] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.212335] RSP: 0018:ff6096b040247c78 EFLAGS: 00010286
[   24.212398] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   24.212474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff38f4c9c189ac00
[   24.212549] RBP: 0000000000000000 R08: ff38f4c9c3378bd0 R09: ff38f4c9c614982c
[   24.212627] R10: ff38f4c9c3e40120 R11: fefefefefefefeff R12: 0000000000000000
[   24.212702] R13: 0000000000000011 R14: ff38f4c9c3e40000 R15: ff38f4c9c189ac00
[   24.212780] FS:  0000000000000000(0000) GS:ff38f4ca6ef48000(0000) knlGS:0000000000000000
[   24.212856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.212926] CR2: 00007f2ea7a05f98 CR3: 000000002d847006 CR4: 0000000000771ef0
[   24.213011] PKRU: 55555554
[   24.213059] Call Trace:
[   24.213107]  <TASK>
[   24.213161]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.213226]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   24.213290]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   24.213348]  cleanup_net (net/core/net_namespace.c:702)
[   24.213405]  process_one_work (kernel/workqueue.c:3314)
[   24.213462]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.213518]  ? rescuer_thread (kernel/workqueue.c:3672)
[   24.213574]  kthread (kernel/kthread.c:436)
[   24.213631]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   24.213688]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.213745]  ? 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:register_netdevice:register_netdev:loopback_net_init
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