======================================
| xx__-> [    2.359011] ------------[ cut here ]------------
| [    2.359065] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/183
| [    2.359124] Modules linked in:
| [    2.359204] Tainted: [W]=WARN
[    2.359226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.359262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.359294] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.359392] RSP: 0018:ff6ea7310041fcb8 EFLAGS: 00010286
[    2.359431] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.359476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[    2.359517] RBP: 0000000000000000 R08: ff18c0ab044ad490 R09: ff18c0ab0338d02c
[    2.359560] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[    2.359601] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab01df6900
[    2.359653] FS:  00007f8a3cd10840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    2.359709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.359743] CR2: 0000000000479648 CR3: 00000000045a6004 CR4: 0000000000771ef0
[    2.359784] PKRU: 55555554
[    2.359799] Call Trace:
[    2.359814]  <TASK>
[    2.359831]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.359855]  register_netdevice (net/core/dev.c:11488)
[    2.359876]  register_netdev (net/core/dev.c:11552)
[    2.359894]  loopback_net_init (drivers/net/loopback.c:218)
[    2.359916]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.359946]  ops_init (net/core/net_namespace.c:137)
[    2.359966]  setup_net (net/core/net_namespace.c:446)
[    2.359990]  copy_net_ns (net/core/net_namespace.c:579)
[    2.360011]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.360042]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.360072]  ksys_unshare (kernel/fork.c:3243)
[    2.360095]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.360115]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.360142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.360177] RIP: 0033:0x7f8a3cfd2bcb
[    2.360202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.360299] RSP: 002b:00007fff6fe2cbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.360341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a3cfd2bcb
[    2.360387] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.360434] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.360474] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6fe2edf0
[    2.360520] R13: 0000000000000001 R14: 00007f8a3cd106f8 R15: 00007fff6fe2f8c0
| [    2.360744] ------------[ cut here ]------------
| [    2.360779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/183
| [    2.360834] Modules linked in:
| [    2.360912] Tainted: [W]=WARN
[    2.360933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.360969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.360996] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.361094] RSP: 0018:ff6ea7310041fc10 EFLAGS: 00010286
[    2.361123] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.361168] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01930600
[    2.361205] RBP: 0000000000000000 R08: ff18c0ab019739d0 R09: ff18c0ab04654030
[    2.361244] R10: ff18c0ab0338d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.361286] R13: 0000000000000010 R14: ff18c0ab0338d000 R15: ff18c0ab01930600
[    2.361330] FS:  00007f8a3cd10840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    2.361373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.361416] CR2: 0000000000479648 CR3: 00000000045a6004 CR4: 0000000000771ef0
[    2.361461] PKRU: 55555554
[    2.361476] Call Trace:
[    2.361491]  <TASK>
[    2.361504]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.361526]  register_netdevice (net/core/dev.c:11488)
[    2.361549]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.361574]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.361600]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.361629]  ops_init (net/core/net_namespace.c:137)
[    2.361653]  setup_net (net/core/net_namespace.c:446)
[    2.361682]  copy_net_ns (net/core/net_namespace.c:579)
[    2.361706]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.361735]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.361765]  ksys_unshare (kernel/fork.c:3243)
[    2.361784]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.361807]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.361828]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.361857] RIP: 0033:0x7f8a3cfd2bcb
[    2.361879] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.361973] RSP: 002b:00007fff6fe2cbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.362024] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a3cfd2bcb
[    2.362068] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.362108] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.362153] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6fe2edf0
[    2.362199] R13: 0000000000000001 R14: 00007f8a3cd106f8 R15: 00007fff6fe2f8c0
| [    2.362412] ------------[ cut here ]------------
| [    2.362446] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/183
| [    2.362498] Modules linked in:
| [    2.362583] Tainted: [W]=WARN
[    2.362601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.362637] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.362673] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.362772] RSP: 0018:ff6ea7310041fbf0 EFLAGS: 00010286
[    2.362801] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.362835] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193bb00
[    2.362875] RBP: 0000000000000000 R08: ff18c0ab01973ad0 R09: ff18c0ab04652030
[    2.362917] R10: ff18c0ab0338c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.362960] R13: 0000000000000010 R14: ff18c0ab0338c000 R15: ff18c0ab0193bb00
[    2.363003] FS:  00007f8a3cd10840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    2.363044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.363083] CR2: 0000000000479648 CR3: 00000000045a6004 CR4: 0000000000771ef0
[    2.363131] PKRU: 55555554
[    2.363143] Call Trace:
[    2.363159]  <TASK>
[    2.363174]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.363195]  register_netdevice (net/core/dev.c:11488)
[    2.363217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.363238]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.363260]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.363284]  ops_init (net/core/net_namespace.c:137)
[    2.363306]  setup_net (net/core/net_namespace.c:446)
[    2.363327]  copy_net_ns (net/core/net_namespace.c:579)
[    2.363348]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.363379]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.363411]  ksys_unshare (kernel/fork.c:3243)
[    2.363433]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.363459]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.363482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.363511] RIP: 0033:0x7f8a3cfd2bcb
[    2.363530] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.363631] RSP: 002b:00007fff6fe2cbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.363675] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a3cfd2bcb
[    2.363710] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.363754] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.363797] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6fe2edf0
[    2.363836] R13: 0000000000000001 R14: 00007f8a3cd106f8 R15: 00007fff6fe2f8c0
| [    2.364021] ------------[ cut here ]------------
| [    2.364054] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/183
| [    2.364107] Modules linked in:
| [    2.364193] Tainted: [W]=WARN
[    2.364216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.364254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.364284] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.364357] RSP: 0018:ff6ea7310041fca8 EFLAGS: 00010286
[    2.364384] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.364439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01941100
[    2.364481] RBP: 0000000000000000 R08: ff18c0ab044ad5d0 R09: ff18c0ab03390034
[    2.364528] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[    2.364572] R13: 0000000000000010 R14: ff18c0ab03393000 R15: ff18c0ab01941100
[    2.364616] FS:  00007f8a3cd10840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    2.364663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.364698] CR2: 0000000000479648 CR3: 00000000045a6004 CR4: 0000000000771ef0
[    2.364741] PKRU: 55555554
[    2.364754] Call Trace:
[    2.364772]  <TASK>
[    2.364789]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.364812]  register_netdevice (net/core/dev.c:11488)
[    2.364834]  register_netdev (net/core/dev.c:11552)
[    2.364852]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.364876]  ops_init (net/core/net_namespace.c:137)
[    2.364899]  setup_net (net/core/net_namespace.c:446)
[    2.364922]  copy_net_ns (net/core/net_namespace.c:579)
[    2.364945]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.364972]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.365000]  ksys_unshare (kernel/fork.c:3243)
[    2.365021]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.365048]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.365072]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.365100] RIP: 0033:0x7f8a3cfd2bcb
[    2.365123] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.365218] RSP: 002b:00007fff6fe2cbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.365254] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a3cfd2bcb
[    2.365298] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.365337] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.365377] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6fe2edf0
[    2.365422] R13: 0000000000000001 R14: 00007f8a3cd106f8 R15: 00007fff6fe2f8c0
| [    2.365634] ------------[ cut here ]------------
| [    2.365671] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/183
| [    2.365723] Modules linked in:
| [    2.365801] Tainted: [W]=WARN
[    2.365823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.365856] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.365887] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.365986] RSP: 0018:ff6ea7310041fca0 EFLAGS: 00010286
[    2.366009] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.366058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6b00
[    2.366102] RBP: 0000000000000000 R08: ff18c0ab01973b10 R09: ff18c0ab03395030
[    2.366144] R10: ff18c0ab03390120 R11: fefefefefefefeff R12: 0000000000000000
[    2.366193] R13: 0000000000000010 R14: ff18c0ab03390000 R15: ff18c0ab01df6b00
[    2.366241] FS:  00007f8a3cd10840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    2.366287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.366325] CR2: 0000000000479648 CR3: 00000000045a6004 CR4: 0000000000771ef0
[    2.366371] PKRU: 55555554
[    2.366385] Call Trace:
[    2.366401]  <TASK>
[    2.366417]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.366440]  register_netdevice (net/core/dev.c:11488)
[    2.366461]  register_netdev (net/core/dev.c:11552)
[    2.366481]  sit_init_net (net/ipv6/sit.c:1860)
[    2.366506]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.366527]  ops_init (net/core/net_namespace.c:137)
[    2.366549]  setup_net (net/core/net_namespace.c:446)
[    2.366573]  copy_net_ns (net/core/net_namespace.c:579)
[    2.366593]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.366622]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.366650]  ksys_unshare (kernel/fork.c:3243)
[    2.366676]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.366699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.366722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.366752] RIP: 0033:0x7f8a3cfd2bcb
[    2.366772] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.366863] RSP: 002b:00007fff6fe2cbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.366906] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a3cfd2bcb
[    2.366948] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.366989] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.367034] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6fe2edf0
[    2.367077] R13: 0000000000000001 R14: 00007f8a3cd106f8 R15: 00007fff6fe2f8c0
| [    2.367311] ------------[ cut here ]------------
| [    2.367347] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/183
| [    2.367407] Modules linked in:
| [    2.367487] Tainted: [W]=WARN
[    2.367507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.367544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.367575] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.367678] RSP: 0018:ff6ea7310041fca8 EFLAGS: 00010286
[    2.367707] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.367746] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01932900
[    2.367784] RBP: 0000000000000000 R08: ff18c0ab01973c10 R09: ff18c0ab06072030
[    2.367824] R10: ff18c0ab03395120 R11: fefefefefefefeff R12: 0000000000000000
[    2.367862] R13: 0000000000000010 R14: ff18c0ab03395000 R15: ff18c0ab01932900
[    2.367908] FS:  00007f8a3cd10840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    2.367949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.367985] CR2: 0000000000479648 CR3: 00000000045a6004 CR4: 0000000000771ef0
[    2.368025] PKRU: 55555554
[    2.368039] Call Trace:
[    2.368050]  <TASK>
[    2.368070]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.368093]  register_netdevice (net/core/dev.c:11488)
[    2.368113]  register_netdev (net/core/dev.c:11552)
[    2.368136]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.368159]  ops_init (net/core/net_namespace.c:137)
[    2.368177]  setup_net (net/core/net_namespace.c:446)
[    2.368197]  copy_net_ns (net/core/net_namespace.c:579)
[    2.368217]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.368246]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.368273]  ksys_unshare (kernel/fork.c:3243)
[    2.368296]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.368315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.368337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.368368] RIP: 0033:0x7f8a3cfd2bcb
[    2.368397] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.368495] RSP: 002b:00007fff6fe2cbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.368538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a3cfd2bcb
[    2.368578] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.368619] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.368660] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6fe2edf0
[    2.368704] R13: 0000000000000001 R14: 00007f8a3cd106f8 R15: 00007fff6fe2f8c0
| [    2.372869] ------------[ cut here ]------------
| [    2.372909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/184
| [    2.372964] Modules linked in:
| [    2.373053] Tainted: [W]=WARN
[    2.373076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.373110] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.373139] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.373239] RSP: 0018:ff6ea73100427720 EFLAGS: 00010286
[    2.373278] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.373323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01930c00
[    2.373369] RBP: 0000000000000000 R08: ff18c0ab044ad490 R09: ff18c0ab01c3302c
[    2.373418] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[    2.373464] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab01930c00
[    2.373515] FS:  00007fd590731840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[    2.373571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.373609] CR2: 00007fd590a011a0 CR3: 0000000003167003 CR4: 0000000000771ef0
[    2.373652] PKRU: 55555554
[    2.373673] Call Trace:
[    2.373689]  <TASK>
[    2.373707]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.373730]  __dev_notify_flags (net/core/dev.c:9787)
[    2.373749]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.373774]  netif_change_flags (net/core/dev.c:9820)
[    2.373802]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.373829]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.373862]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.373886]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.373909]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.373942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.373966]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.373991]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.374022]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.374045]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.374065]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.374087]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.374115]  ___sys_sendmsg (net/socket.c:2752)
[    2.374138]  __sys_sendmsg (net/socket.c:2784)
[    2.374161]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.374186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.374217] RIP: 0033:0x7fd59096b08e
[    2.374242] 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
[    2.374330] RSP: 002b:00007ffce9c72b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.374368] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd59096b08e
[    2.374419] RDX: 0000000000000000 RSI: 00007ffce9c72c10 RDI: 0000000000000005
[    2.374462] RBP: 00007ffce9c72b70 R08: 0000000000000000 R09: 0000000000000000
[    2.374504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2ee
[    2.374551] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce9c732e0
| [    5.423171] ------------[ cut here ]------------
| [    5.423226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.423284] Modules linked in: unix_diag
| [    5.423366] Tainted: [W]=WARN
[    5.423386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.423431] Workqueue: netns cleanup_net
[    5.423460] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.423492] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.423591] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    5.423623] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.423672] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    5.423714] RBP: 0000000000000000 R08: ff18c0ab01973c10 R09: ff18c0ab0606a030
[    5.423753] R10: ff18c0ab03395120 R11: fefefefefefefeff R12: 0000000000000000
[    5.423796] R13: 0000000000000011 R14: ff18c0ab03395000 R15: ff18c0ab0191e200
[    5.423842] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.423886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.423921] CR2: 00007f87741c06c0 CR3: 00000000045b1004 CR4: 0000000000771ef0
[    5.423961] PKRU: 55555554
[    5.423978] Call Trace:
[    5.423998]  <TASK>
[    5.424015]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.424051]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.424073]  cleanup_net (net/core/net_namespace.c:702)
[    5.424099]  process_one_work (kernel/workqueue.c:3314)
[    5.424125]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.424146]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.424170]  kthread (kernel/kthread.c:436)
[    5.424193]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.424215]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.424241]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.424259]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.424408] ------------[ cut here ]------------
| [    5.424440] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.424501] Modules linked in: unix_diag
| [    5.424579] Tainted: [W]=WARN
[    5.424603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.424636] Workqueue: netns cleanup_net
[    5.424661] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.424690] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.424786] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    5.424814] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.424862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    5.424906] RBP: 0000000000000000 R08: ff18c0ab01973b10 R09: ff18c0ab03399030
[    5.424953] R10: ff18c0ab03390120 R11: fefefefefefefeff R12: 0000000000000000
[    5.424995] R13: 0000000000000011 R14: ff18c0ab03390000 R15: ff18c0ab0191e200
[    5.425040] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.425084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.425111] CR2: 00007f87741c06c0 CR3: 00000000045b1004 CR4: 0000000000771ef0
[    5.425154] PKRU: 55555554
[    5.425168] Call Trace:
[    5.425181]  <TASK>
[    5.425198]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.425232]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.425251]  cleanup_net (net/core/net_namespace.c:702)
[    5.425273]  process_one_work (kernel/workqueue.c:3314)
[    5.425296]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.425318]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.425338]  kthread (kernel/kthread.c:436)
[    5.425359]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.425379]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.425433]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.425462]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.425581] ------------[ cut here ]------------
| [    5.425616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.425672] Modules linked in: unix_diag
| [    5.425742] Tainted: [W]=WARN
[    5.425764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.425796] Workqueue: netns cleanup_net
[    5.425818] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.425849] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.425952] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    5.425978] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.426025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    5.426067] RBP: 0000000000000000 R08: ff18c0ab044ad5d0 R09: ff18c0ab0339c034
[    5.426111] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[    5.426150] R13: 0000000000000011 R14: ff18c0ab03393000 R15: ff18c0ab0191e200
[    5.426195] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.426243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.426277] CR2: 00007f87741c06c0 CR3: 00000000045b1004 CR4: 0000000000771ef0
[    5.426318] PKRU: 55555554
[    5.426331] Call Trace:
[    5.426341]  <TASK>
[    5.426353]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.426382]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.426411]  cleanup_net (net/core/net_namespace.c:702)
[    5.426434]  process_one_work (kernel/workqueue.c:3314)
[    5.426459]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.426479]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.426500]  kthread (kernel/kthread.c:436)
[    5.426523]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.426544]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.426566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.426588]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.426697] ------------[ cut here ]------------
| [    5.426723] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.426766] Modules linked in: unix_diag
| [    5.426837] Tainted: [W]=WARN
[    5.426857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.426891] Workqueue: netns cleanup_net
[    5.426913] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.426942] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.427032] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    5.427061] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.427107] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    5.427151] RBP: 0000000000000000 R08: ff18c0ab01973ad0 R09: ff18c0ab04653830
[    5.427193] R10: ff18c0ab0338c120 R11: fefefefefefefeff R12: 0000000000000000
[    5.427239] R13: 0000000000000011 R14: ff18c0ab0338c000 R15: ff18c0ab0191e200
[    5.427285] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.427326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.427358] CR2: 00007f87741c06c0 CR3: 00000000045b1004 CR4: 0000000000771ef0
[    5.427400] PKRU: 55555554
[    5.427425] Call Trace:
[    5.427441]  <TASK>
[    5.427456]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.427486]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.427509]  cleanup_net (net/core/net_namespace.c:702)
[    5.427529]  process_one_work (kernel/workqueue.c:3314)
[    5.427549]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.427568]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.427590]  kthread (kernel/kthread.c:436)
[    5.427613]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.427633]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.427655]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.427683]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.427781] ------------[ cut here ]------------
| [    5.427856] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.427917] Modules linked in: unix_diag
| [    5.427994] Tainted: [W]=WARN
[    5.428014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.428046] Workqueue: netns cleanup_net
[    5.428072] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.428105] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.428212] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    5.428239] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.428277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    5.428318] RBP: 0000000000000000 R08: ff18c0ab019739d0 R09: ff18c0ab04655830
[    5.428358] R10: ff18c0ab0338d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.428399] R13: 0000000000000011 R14: ff18c0ab0338d000 R15: ff18c0ab0191e200
[    5.428446] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.428488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.428523] CR2: 00007f87741c06c0 CR3: 00000000045b1004 CR4: 0000000000771ef0
[    5.428562] PKRU: 55555554
[    5.428575] Call Trace:
[    5.428586]  <TASK>
[    5.428601]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.429427]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.429474]  cleanup_net (net/core/net_namespace.c:702)
[    5.429494]  process_one_work (kernel/workqueue.c:3314)
[    5.429523]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.429549]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.429573]  kthread (kernel/kthread.c:436)
[    5.429597]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.429615]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.429635]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.429660]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.434771] ------------[ cut here ]------------
| [    5.434821] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/201
| [    5.434871] Modules linked in: unix_diag
| [    5.434951] Tainted: [W]=WARN
[    5.434973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.435005] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.435031] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.435121] RSP: 0018:ff6ea7310044fcb8 EFLAGS: 00010286
[    5.435149] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.435192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    5.435233] RBP: 0000000000000000 R08: ff18c0ab0440ac50 R09: ff18c0ab0607302c
[    5.435270] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[    5.435313] R13: 0000000000000010 R14: ff18c0ab0302c000 R15: ff18c0ab0191e200
[    5.435352] FS:  00007fb4774a8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.435395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.435437] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.435483] PKRU: 55555554
[    5.435499] Call Trace:
[    5.435513]  <TASK>
[    5.435529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.435554]  register_netdevice (net/core/dev.c:11488)
[    5.435575]  register_netdev (net/core/dev.c:11552)
[    5.435599]  loopback_net_init (drivers/net/loopback.c:218)
[    5.435624]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    5.435670]  ops_init (net/core/net_namespace.c:137)
[    5.435696]  setup_net (net/core/net_namespace.c:446)
[    5.435718]  copy_net_ns (net/core/net_namespace.c:579)
[    5.435741]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.435773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.435797]  ksys_unshare (kernel/fork.c:3243)
[    5.435821]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.435842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.435867]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.435900] RIP: 0033:0x7fb47776abcb
[    5.435924] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.436026] RSP: 002b:00007fffa2d42698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.436069] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb47776abcb
[    5.436113] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.436147] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.436188] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa2d448c0
[    5.436231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa2d458c0
| [    5.436353] ------------[ cut here ]------------
| [    5.436385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/201
| [    5.436438] Modules linked in: unix_diag
| [    5.436511] Tainted: [W]=WARN
[    5.436532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.436564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.436589] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.436692] RSP: 0018:ff6ea7310044fc10 EFLAGS: 00010286
[    5.436715] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.436761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01908800
[    5.436805] RBP: 0000000000000000 R08: ff18c0ab033e9150 R09: ff18c0ab06042030
[    5.436847] R10: ff18c0ab06073120 R11: fefefefefefefeff R12: 0000000000000000
[    5.436887] R13: 0000000000000010 R14: ff18c0ab06073000 R15: ff18c0ab01908800
[    5.436936] FS:  00007fb4774a8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.436977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.437012] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.437052] PKRU: 55555554
[    5.437067] Call Trace:
[    5.437080]  <TASK>
[    5.437095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.437120]  register_netdevice (net/core/dev.c:11488)
[    5.437144]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.437170]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.437194]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    5.437220]  ops_init (net/core/net_namespace.c:137)
[    5.437243]  setup_net (net/core/net_namespace.c:446)
[    5.437265]  copy_net_ns (net/core/net_namespace.c:579)
[    5.437286]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.437317]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.437345]  ksys_unshare (kernel/fork.c:3243)
[    5.437370]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.437395]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.437418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.437444] RIP: 0033:0x7fb47776abcb
[    5.437464] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.437570] RSP: 002b:00007fffa2d42698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.437603] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb47776abcb
[    5.437644] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.437691] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.437731] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa2d448c0
[    5.437777] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa2d458c0
| [    5.437906] ------------[ cut here ]------------
| [    5.437936] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/201
| [    5.437988] Modules linked in: unix_diag
| [    5.438068] Tainted: [W]=WARN
[    5.438088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.438126] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.438154] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.438257] RSP: 0018:ff6ea7310044fbf0 EFLAGS: 00010286
[    5.438288] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.438334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190eb00
[    5.438376] RBP: 0000000000000000 R08: ff18c0ab044ad4d0 R09: ff18c0ab06040030
[    5.438425] R10: ff18c0ab0338d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.438473] R13: 0000000000000010 R14: ff18c0ab0338d000 R15: ff18c0ab0190eb00
[    5.438518] FS:  00007fb4774a8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.438559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.438593] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.438635] PKRU: 55555554
[    5.438650] Call Trace:
[    5.438669]  <TASK>
[    5.438685]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.438708]  register_netdevice (net/core/dev.c:11488)
[    5.438728]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.438748]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.438769]  vti_init_net (net/ipv4/ip_vti.c:517)
[    5.438791]  ops_init (net/core/net_namespace.c:137)
[    5.438810]  setup_net (net/core/net_namespace.c:446)
[    5.438831]  copy_net_ns (net/core/net_namespace.c:579)
[    5.438852]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.438878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.438906]  ksys_unshare (kernel/fork.c:3243)
[    5.438927]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.438947]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.438969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.438998] RIP: 0033:0x7fb47776abcb
[    5.439018] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.439113] RSP: 002b:00007fffa2d42698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.439154] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb47776abcb
[    5.439197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.439234] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.439276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa2d448c0
[    5.439320] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa2d458c0
| [    5.439431] ------------[ cut here ]------------
| [    5.439463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.439520] Modules linked in: unix_diag
| [    5.439602] Tainted: [W]=WARN
[    5.439625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.439661] Workqueue: netns cleanup_net
[    5.439685] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.439714] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.439813] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[    5.439838] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.439879] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190ea00
[    5.439921] RBP: 0000000000000000 R08: ff18c0ab044ad490 R09: ff18c0ab0339302c
[    5.439960] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[    5.440001] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab0190ea00
[    5.440042] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.440088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.440124] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.440167] PKRU: 55555554
[    5.440179] Call Trace:
[    5.440194]  <TASK>
[    5.440210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.440231]  netif_close_many (net/core/dev.c:1804)
[    5.440253]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[    5.440274]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    5.440305]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.440334]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.440356]  cleanup_net (net/core/net_namespace.c:702)
[    5.440380]  process_one_work (kernel/workqueue.c:3314)
[    5.440408]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.440433]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.440451]  kthread (kernel/kthread.c:436)
[    5.440476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.440496]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.440516]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.440539]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.440654] ------------[ cut here ]------------
| [    5.440686] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    5.440740] Modules linked in: unix_diag
| [    5.440815] Tainted: [W]=WARN
[    5.440840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.440875] Workqueue: netns cleanup_net
[    5.440898] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.440929] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.441030] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[    5.441060] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.441104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924800
[    5.441148] RBP: 0000000000000000 R08: ff18c0ab044ad490 R09: ff18c0ab0465702c
[    5.441191] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[    5.441232] R13: 0000000000000011 R14: ff18c0ab03388000 R15: ff18c0ab01924800
[    5.441283] FS:  0000000000000000(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.441323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.441356] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.441394] PKRU: 55555554
[    5.441415] Call Trace:
[    5.441435]  <TASK>
[    5.441449]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.441475]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.441506]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.441527]  cleanup_net (net/core/net_namespace.c:702)
[    5.441553]  process_one_work (kernel/workqueue.c:3314)
[    5.441577]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.441598]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.441620]  kthread (kernel/kthread.c:436)
[    5.441641]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.441665]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.441685]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.441707]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.441866] ------------[ cut here ]------------
| [    5.441894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/201
| [    5.441944] Modules linked in: unix_diag
| [    5.442023] Tainted: [W]=WARN
[    5.442042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.442074] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.442103] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.442199] RSP: 0018:ff6ea7310044fca8 EFLAGS: 00010286
[    5.442230] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.442272] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924a00
[    5.442314] RBP: 0000000000000000 R08: ff18c0ab044ad410 R09: ff18c0ab03390034
[    5.442354] R10: ff18c0ab0338c120 R11: fefefefefefefeff R12: 0000000000000000
[    5.442397] R13: 0000000000000010 R14: ff18c0ab0338c000 R15: ff18c0ab01924a00
[    5.442447] FS:  00007fb4774a8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.442490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.442714] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.442788] PKRU: 55555554
[    5.442806] Call Trace:
[    5.442822]  <TASK>
[    5.442836]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.442860]  register_netdevice (net/core/dev.c:11488)
[    5.442885]  register_netdev (net/core/dev.c:11552)
[    5.442910]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    5.442931]  ops_init (net/core/net_namespace.c:137)
[    5.442952]  setup_net (net/core/net_namespace.c:446)
[    5.442978]  copy_net_ns (net/core/net_namespace.c:579)
[    5.443000]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.443029]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.443060]  ksys_unshare (kernel/fork.c:3243)
[    5.443081]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.443106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.443128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.443151] RIP: 0033:0x7fb47776abcb
[    5.443173] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.443268] RSP: 002b:00007fffa2d42698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.443307] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb47776abcb
[    5.443348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.443387] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.443436] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa2d448c0
[    5.443476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa2d458c0
| [    5.443593] ------------[ cut here ]------------
| [    5.443619] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/201
| [    5.443669] Modules linked in: unix_diag
| [    5.443749] Tainted: [W]=WARN
[    5.443769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.443801] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.443831] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.443922] RSP: 0018:ff6ea7310044fca0 EFLAGS: 00010286
[    5.443954] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.443993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924a00
[    5.444033] RBP: 0000000000000000 R08: ff18c0ab01973b90 R09: ff18c0ab06077030
[    5.444074] R10: ff18c0ab03390120 R11: fefefefefefefeff R12: 0000000000000000
[    5.444113] R13: 0000000000000010 R14: ff18c0ab03390000 R15: ff18c0ab01924a00
[    5.444153] FS:  00007fb4774a8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.444194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.444231] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.444277] PKRU: 55555554
[    5.444292] Call Trace:
[    5.444307]  <TASK>
[    5.444323]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.444341]  register_netdevice (net/core/dev.c:11488)
[    5.444362]  register_netdev (net/core/dev.c:11552)
[    5.444386]  sit_init_net (net/ipv6/sit.c:1860)
[    5.444416]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    5.444440]  ops_init (net/core/net_namespace.c:137)
[    5.444463]  setup_net (net/core/net_namespace.c:446)
[    5.444489]  copy_net_ns (net/core/net_namespace.c:579)
[    5.444510]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.444537]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.444567]  ksys_unshare (kernel/fork.c:3243)
[    5.444591]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.444611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.444636]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.444666] RIP: 0033:0x7fb47776abcb
[    5.444689] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.444784] RSP: 002b:00007fffa2d42698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.444828] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb47776abcb
[    5.444865] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.444906] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.444948] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa2d448c0
[    5.444989] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa2d458c0
| [    5.445111] ------------[ cut here ]------------
| [    5.445140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/201
| [    5.445191] Modules linked in: unix_diag
| [    5.445269] Tainted: [W]=WARN
[    5.445292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.445326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.445354] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.445451] RSP: 0018:ff6ea7310044fca8 EFLAGS: 00010286
[    5.445481] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.445525] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924900
[    5.445561] RBP: 0000000000000000 R08: ff18c0ab01973c10 R09: ff18c0ab06074030
[    5.445601] R10: ff18c0ab06077120 R11: fefefefefefefeff R12: 0000000000000000
[    5.445641] R13: 0000000000000010 R14: ff18c0ab06077000 R15: ff18c0ab01924900
[    5.445684] FS:  00007fb4774a8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    5.445725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.445759] CR2: 00007fb4776b27d0 CR3: 0000000003198006 CR4: 0000000000771ef0
[    5.445800] PKRU: 55555554
[    5.445813] Call Trace:
[    5.445825]  <TASK>
[    5.445840]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.445861]  register_netdevice (net/core/dev.c:11488)
[    5.445881]  register_netdev (net/core/dev.c:11552)
[    5.445900]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    5.445924]  ops_init (net/core/net_namespace.c:137)
[    5.445947]  setup_net (net/core/net_namespace.c:446)
[    5.445966]  copy_net_ns (net/core/net_namespace.c:579)
[    5.445984]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.446013]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.446043]  ksys_unshare (kernel/fork.c:3243)
[    5.446063]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.446086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.446109]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.446139] RIP: 0033:0x7fb47776abcb
[    5.446158] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.446256] RSP: 002b:00007fffa2d42698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.446300] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb47776abcb
[    5.446341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.446380] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.446427] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa2d448c0
[    5.446477] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffa2d458c0
| [    5.449959] ------------[ cut here ]------------
| [    5.450027] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    5.450114] Modules linked in: unix_diag
| [    5.450272] Tainted: [W]=WARN
[    5.450331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.450412] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.450477] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.450602] RSP: 0018:ff6ea7310031f720 EFLAGS: 00010286
[    5.450676] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.450752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6300
[    5.450834] RBP: 0000000000000000 R08: ff18c0ab0440ac50 R09: ff18c0ab02eae02c
[    5.450911] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[    5.450992] R13: 0000000000000010 R14: ff18c0ab0302c000 R15: ff18c0ab01df6300
[    5.451072] FS:  00007f249dc49840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[    5.451153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.451224] CR2: 0000000034d01988 CR3: 00000000031a6005 CR4: 0000000000771ef0
[    5.451305] PKRU: 55555554
[    5.451356] Call Trace:
[    5.451416]  <TASK>
[    5.451467]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.451529]  __dev_notify_flags (net/core/dev.c:9787)
[    5.451590]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    5.451653]  netif_change_flags (net/core/dev.c:9820)
[    5.451716]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    5.451779]  ? __nla_validate_parse (lib/nlattr.c:620)
[    5.451851]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    5.451909]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    5.451979]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    5.452047]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    5.452109]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    5.452173]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    5.452241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    5.452303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    5.452366]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    5.452437]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    5.452499]  ___sys_sendmsg (net/socket.c:2752)
[    5.452562]  __sys_sendmsg (net/socket.c:2784)
[    5.452625]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.452691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.452761] RIP: 0033:0x7f249de8308e
[    5.452823] 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
[    5.452946] RSP: 002b:00007ffca61aa590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.453027] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f249de8308e
[    5.453106] RDX: 0000000000000000 RSI: 00007ffca61aa640 RDI: 0000000000000005
[    5.453184] RBP: 00007ffca61aa5a0 R08: 0000000000000000 R09: 0000000000000000
[    5.453262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2f1
[    5.453339] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca61aad10
| [    8.491859] ------------[ cut here ]------------
| [    8.491921] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.491986] Modules linked in: unix_diag
| [    8.492068] Tainted: [W]=WARN
[    8.492088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.492122] Workqueue: netns cleanup_net
[    8.492147] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.492178] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.492277] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    8.492306] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.492346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01932f00
[    8.492392] RBP: 0000000000000000 R08: ff18c0ab01973c10 R09: ff18c0ab06045830
[    8.492444] R10: ff18c0ab06077120 R11: fefefefefefefeff R12: 0000000000000000
[    8.492485] R13: 0000000000000011 R14: ff18c0ab06077000 R15: ff18c0ab01932f00
[    8.492535] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.492586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.492621] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.492672] PKRU: 55555554
[    8.492688] Call Trace:
[    8.492702]  <TASK>
[    8.492719]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.492753]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.492776]  cleanup_net (net/core/net_namespace.c:702)
[    8.492796]  process_one_work (kernel/workqueue.c:3314)
[    8.492823]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.492846]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.492868]  kthread (kernel/kthread.c:436)
[    8.492895]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.492918]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.492942]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.492964]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.493155] ------------[ cut here ]------------
| [    8.493190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.493249] Modules linked in: unix_diag
| [    8.493340] Tainted: [W]=WARN
[    8.493362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.493401] Workqueue: netns cleanup_net
[    8.493437] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.493468] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.493569] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    8.493602] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.493643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01936300
[    8.493694] RBP: 0000000000000000 R08: ff18c0ab01973b90 R09: ff18c0ab060c8830
[    8.493734] R10: ff18c0ab03390120 R11: fefefefefefefeff R12: 0000000000000000
[    8.493774] R13: 0000000000000011 R14: ff18c0ab03390000 R15: ff18c0ab01936300
[    8.493822] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.493867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.493903] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.493948] PKRU: 55555554
[    8.493964] Call Trace:
[    8.493984]  <TASK>
[    8.494000]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.494028]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.494050]  cleanup_net (net/core/net_namespace.c:702)
[    8.494072]  process_one_work (kernel/workqueue.c:3314)
[    8.494094]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.494115]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.494138]  kthread (kernel/kthread.c:436)
[    8.494159]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.494182]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.494203]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.494226]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.494404] ------------[ cut here ]------------
| [    8.494448] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.494503] Modules linked in: unix_diag
| [    8.494584] Tainted: [W]=WARN
[    8.494606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.494638] Workqueue: netns cleanup_net
[    8.494666] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.494693] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.494780] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    8.494813] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.494861] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01936700
[    8.494903] RBP: 0000000000000000 R08: ff18c0ab044ad410 R09: ff18c0ab060df834
[    8.494943] R10: ff18c0ab0338c120 R11: fefefefefefefeff R12: 0000000000000000
[    8.494983] R13: 0000000000000011 R14: ff18c0ab0338c000 R15: ff18c0ab01936700
[    8.495032] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.495075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.495109] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.495150] PKRU: 55555554
[    8.495165] Call Trace:
[    8.495182]  <TASK>
[    8.495198]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.495227]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.495254]  cleanup_net (net/core/net_namespace.c:702)
[    8.495276]  process_one_work (kernel/workqueue.c:3314)
[    8.495298]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.495320]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.495343]  kthread (kernel/kthread.c:436)
[    8.495365]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.495387]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.495415]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.495439]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.495587] ------------[ cut here ]------------
| [    8.495621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.495681] Modules linked in: unix_diag
| [    8.495760] Tainted: [W]=WARN
[    8.495782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.495817] Workqueue: netns cleanup_net
[    8.495840] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.495868] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.495958] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    8.495984] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.496025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01936900
[    8.496065] RBP: 0000000000000000 R08: ff18c0ab044ad4d0 R09: ff18c0ab06041830
[    8.496104] R10: ff18c0ab0338d120 R11: fefefefefefefeff R12: 0000000000000000
[    8.496153] R13: 0000000000000011 R14: ff18c0ab0338d000 R15: ff18c0ab01936900
[    8.496200] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.496252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.496286] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.496330] PKRU: 55555554
[    8.496345] Call Trace:
[    8.496361]  <TASK>
[    8.496378]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.496407]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.496441]  cleanup_net (net/core/net_namespace.c:702)
[    8.496464]  process_one_work (kernel/workqueue.c:3314)
[    8.496486]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.496514]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.496541]  kthread (kernel/kthread.c:436)
[    8.496568]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.496589]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.496611]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.496634]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.496796] ------------[ cut here ]------------
| [    8.496830] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.496887] Modules linked in: unix_diag
| [    8.496963] Tainted: [W]=WARN
[    8.496985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.497024] Workqueue: netns cleanup_net
[    8.497051] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.497083] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.497182] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[    8.497211] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.497251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6b00
[    8.497291] RBP: 0000000000000000 R08: ff18c0ab033e9150 R09: ff18c0ab06043830
[    8.497334] R10: ff18c0ab06073120 R11: fefefefefefefeff R12: 0000000000000000
[    8.497382] R13: 0000000000000011 R14: ff18c0ab06073000 R15: ff18c0ab01df6b00
[    8.497434] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.497475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.497508] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.497549] PKRU: 55555554
[    8.497565] Call Trace:
[    8.497581]  <TASK>
[    8.497596]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.497627]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.497651]  cleanup_net (net/core/net_namespace.c:702)
[    8.497686]  process_one_work (kernel/workqueue.c:3314)
[    8.497708]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.497734]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.497758]  kthread (kernel/kthread.c:436)
[    8.497782]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.497802]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.497827]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.497850]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.503645] ------------[ cut here ]------------
| [    8.503694] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/218
| [    8.503743] Modules linked in: unix_diag
| [    8.503830] Tainted: [W]=WARN
[    8.503850] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.503888] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.503918] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.504018] RSP: 0018:ff6ea7310043fcb8 EFLAGS: 00010286
[    8.504048] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.504092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190ec00
[    8.504131] RBP: 0000000000000000 R08: ff18c0ab03223510 R09: ff18c0ab0302802c
[    8.504180] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[    8.504218] R13: 0000000000000010 R14: ff18c0ab03393000 R15: ff18c0ab0190ec00
[    8.504258] FS:  00007f9b742ff840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    8.504300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.504339] CR2: 00007f9b74506430 CR3: 0000000001de4001 CR4: 0000000000771ef0
[    8.504379] PKRU: 55555554
[    8.504394] Call Trace:
[    8.504414]  <TASK>
[    8.504435]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.504458]  register_netdevice (net/core/dev.c:11488)
[    8.504481]  register_netdev (net/core/dev.c:11552)
[    8.504503]  loopback_net_init (drivers/net/loopback.c:218)
[    8.504527]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    8.504559]  ops_init (net/core/net_namespace.c:137)
[    8.504581]  setup_net (net/core/net_namespace.c:446)
[    8.504603]  copy_net_ns (net/core/net_namespace.c:579)
[    8.504625]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.504655]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.504688]  ksys_unshare (kernel/fork.c:3243)
[    8.504712]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.504733]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.504759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.504789] RIP: 0033:0x7f9b745c1bcb
[    8.504813] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.504906] RSP: 002b:00007ffca3c4f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.504955] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9b745c1bcb
[    8.504994] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.505033] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.505073] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca3c51850
[    8.505111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca3c538c0
| [    8.505237] ------------[ cut here ]------------
| [    8.505269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/218
| [    8.505321] Modules linked in: unix_diag
| [    8.505400] Tainted: [W]=WARN
[    8.505433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.505471] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.505501] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.505608] RSP: 0018:ff6ea7310043fc10 EFLAGS: 00010286
[    8.505641] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.505688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191e200
[    8.505728] RBP: 0000000000000000 R08: ff18c0ab03223590 R09: ff18c0ab01257030
[    8.505775] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[    8.505820] R13: 0000000000000010 R14: ff18c0ab03028000 R15: ff18c0ab0191e200
[    8.505861] FS:  00007f9b742ff840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    8.505900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.505932] CR2: 00007f9b74506430 CR3: 0000000001de4001 CR4: 0000000000771ef0
[    8.505973] PKRU: 55555554
[    8.505991] Call Trace:
[    8.506005]  <TASK>
[    8.506021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.506045]  register_netdevice (net/core/dev.c:11488)
[    8.506067]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.506091]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.506114]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    8.506137]  ops_init (net/core/net_namespace.c:137)
[    8.506158]  setup_net (net/core/net_namespace.c:446)
[    8.506182]  copy_net_ns (net/core/net_namespace.c:579)
[    8.506204]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.506236]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.506263]  ksys_unshare (kernel/fork.c:3243)
[    8.506286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.506307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.506330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.506358] RIP: 0033:0x7f9b745c1bcb
[    8.506379] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.506479] RSP: 002b:00007ffca3c4f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.506528] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9b745c1bcb
[    8.506574] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.506615] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.506667] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca3c51850
[    8.506715] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca3c538c0
| [    8.506840] ------------[ cut here ]------------
| [    8.506872] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/218
| [    8.506922] Modules linked in: unix_diag
| [    8.506998] Tainted: [W]=WARN
[    8.507016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.507051] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.507080] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.507167] RSP: 0018:ff6ea7310043fbf0 EFLAGS: 00010286
[    8.507196] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.507233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01908800
[    8.507276] RBP: 0000000000000000 R08: ff18c0ab03223790 R09: ff18c0ab04654030
[    8.507319] R10: ff18c0ab0338b120 R11: fefefefefefefeff R12: 0000000000000000
[    8.507356] R13: 0000000000000010 R14: ff18c0ab0338b000 R15: ff18c0ab01908800
[    8.507398] FS:  00007f9b742ff840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    8.507448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.507482] CR2: 00007f9b74506430 CR3: 0000000001de4001 CR4: 0000000000771ef0
[    8.507523] PKRU: 55555554
[    8.507538] Call Trace:
[    8.507550]  <TASK>
[    8.507566]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.507591]  register_netdevice (net/core/dev.c:11488)
[    8.507613]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.507636]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.507663]  vti_init_net (net/ipv4/ip_vti.c:517)
[    8.507686]  ops_init (net/core/net_namespace.c:137)
[    8.507710]  setup_net (net/core/net_namespace.c:446)
[    8.507732]  copy_net_ns (net/core/net_namespace.c:579)
[    8.507753]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.507785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.507813]  ksys_unshare (kernel/fork.c:3243)
[    8.507834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.507856]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.507882]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.507910] RIP: 0033:0x7f9b745c1bcb
[    8.507933] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.508035] RSP: 002b:00007ffca3c4f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.508072] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9b745c1bcb
[    8.508118] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.508155] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.508195] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca3c51850
[    8.508237] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca3c538c0
| [    8.508358] ------------[ cut here ]------------
| [    8.508387] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/218
| [    8.508444] Modules linked in: unix_diag
| [    8.508521] Tainted: [W]=WARN
[    8.508545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.508580] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.508612] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.508704] RSP: 0018:ff6ea7310043fca8 EFLAGS: 00010286
[    8.508737] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.508778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190ec00
[    8.508822] RBP: 0000000000000000 R08: ff18c0ab03223850 R09: ff18c0ab01881034
[    8.508874] R10: ff18c0ab0338a120 R11: fefefefefefefeff R12: 0000000000000000
[    8.508918] R13: 0000000000000010 R14: ff18c0ab0338a000 R15: ff18c0ab0190ec00
[    8.508962] FS:  00007f9b742ff840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    8.509003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.509037] CR2: 00007f9b74506430 CR3: 0000000001de4001 CR4: 0000000000771ef0
[    8.509083] PKRU: 55555554
[    8.509101] Call Trace:
[    8.509113]  <TASK>
[    8.509129]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.509151]  register_netdevice (net/core/dev.c:11488)
[    8.509178]  register_netdev (net/core/dev.c:11552)
[    8.509206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    8.509230]  ops_init (net/core/net_namespace.c:137)
[    8.509252]  setup_net (net/core/net_namespace.c:446)
[    8.509274]  copy_net_ns (net/core/net_namespace.c:579)
[    8.509297]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.509324]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.509349]  ksys_unshare (kernel/fork.c:3243)
[    8.509371]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.509392]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.509425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.509455] RIP: 0033:0x7f9b745c1bcb
[    8.509475] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.509569] RSP: 002b:00007ffca3c4f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.509609] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9b745c1bcb
[    8.509648] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.509694] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.509733] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca3c51850
[    8.509779] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca3c538c0
| [    8.509904] ------------[ cut here ]------------
| [    8.509931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/218
| [    8.509978] Modules linked in: unix_diag
| [    8.510052] Tainted: [W]=WARN
[    8.510073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.510107] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.510134] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.510236] RSP: 0018:ff6ea7310043fca0 EFLAGS: 00010286
[    8.510264] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.510299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190e400
[    8.510343] RBP: 0000000000000000 R08: ff18c0ab032238d0 R09: ff18c0ab01886030
[    8.510379] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[    8.510422] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab0190e400
[    8.510467] FS:  00007f9b742ff840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    8.510508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.510542] CR2: 00007f9b74506430 CR3: 0000000001de4001 CR4: 0000000000771ef0
[    8.510581] PKRU: 55555554
[    8.510594] Call Trace:
[    8.510609]  <TASK>
[    8.510625]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.510646]  register_netdevice (net/core/dev.c:11488)
[    8.510668]  register_netdev (net/core/dev.c:11552)
[    8.510690]  sit_init_net (net/ipv6/sit.c:1860)
[    8.510714]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    8.510736]  ops_init (net/core/net_namespace.c:137)
[    8.510758]  setup_net (net/core/net_namespace.c:446)
[    8.510779]  copy_net_ns (net/core/net_namespace.c:579)
[    8.510802]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.510830]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.510858]  ksys_unshare (kernel/fork.c:3243)
[    8.510885]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.510907]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.510931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.510957] RIP: 0033:0x7f9b745c1bcb
[    8.510977] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.511087] RSP: 002b:00007ffca3c4f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.511128] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9b745c1bcb
[    8.511172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.511213] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.511253] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca3c51850
[    8.511292] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca3c538c0
| [    8.511390] ------------[ cut here ]------------
| [    8.511431] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.511495] Modules linked in: unix_diag
| [    8.511580] Tainted: [W]=WARN
[    8.511600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.511640] Workqueue: netns cleanup_net
[    8.511669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.511701] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.511793] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[    8.511819] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.511867] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6a00
[    8.511919] RBP: 0000000000000000 R08: ff18c0ab0440ac50 R09: ff18c0ab0607302c
[    8.511957] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[    8.511996] R13: 0000000000000010 R14: ff18c0ab0302c000 R15: ff18c0ab01df6a00
[    8.512046] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.512088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.512125] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.512176] PKRU: 55555554
[    8.512190] Call Trace:
[    8.512207]  <TASK>
[    8.512223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.512245]  netif_close_many (net/core/dev.c:1804)
[    8.512268]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.512296]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.512328]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.512349]  cleanup_net (net/core/net_namespace.c:702)
[    8.512371]  process_one_work (kernel/workqueue.c:3314)
[    8.512394]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.512422]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.512449]  kthread (kernel/kthread.c:436)
[    8.512471]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.512493]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.512515]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.512539]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.512675] ------------[ cut here ]------------
| [    8.512703] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    8.512769] Modules linked in: unix_diag
| [    8.512852] Tainted: [W]=WARN
[    8.512871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.512907] Workqueue: netns cleanup_net
[    8.512932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.512962] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.513064] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[    8.513092] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.513133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[    8.513176] RBP: 0000000000000000 R08: ff18c0ab0440ac50 R09: ff18c0ab060d902c
[    8.513216] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[    8.513270] R13: 0000000000000011 R14: ff18c0ab0302c000 R15: ff18c0ab01df6900
[    8.513318] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[    8.513371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.513423] CR2: 00007f60b92daf98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[    8.513471] PKRU: 55555554
[    8.513487] Call Trace:
[    8.513503]  <TASK>
[    8.513523]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.513554]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.513588]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.513611]  cleanup_net (net/core/net_namespace.c:702)
[    8.513638]  process_one_work (kernel/workqueue.c:3314)
[    8.513674]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.513699]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.513722]  kthread (kernel/kthread.c:436)
[    8.513751]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.513774]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.513801]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.513828]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.514002] ------------[ cut here ]------------
| [    8.514029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/218
| [    8.514078] Modules linked in: unix_diag
| [    8.514153] Tainted: [W]=WARN
[    8.514175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.514207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.514235] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.514331] RSP: 0018:ff6ea7310043fca8 EFLAGS: 00010286
[    8.514359] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.514399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924a00
[    8.514449] RBP: 0000000000000000 R08: ff18c0ab03223950 R09: ff18c0ab03390030
[    8.514489] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[    8.514532] R13: 0000000000000010 R14: ff18c0ab01886000 R15: ff18c0ab01924a00
[    8.514577] FS:  00007f9b742ff840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[    8.514618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.514662] CR2: 00007f9b74506430 CR3: 0000000001de4001 CR4: 0000000000771ef0
[    8.514707] PKRU: 55555554
[    8.514721] Call Trace:
[    8.514734]  <TASK>
[    8.514746]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.514772]  register_netdevice (net/core/dev.c:11488)
[    8.514794]  register_netdev (net/core/dev.c:11552)
[    8.514819]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    8.514841]  ops_init (net/core/net_namespace.c:137)
[    8.514863]  setup_net (net/core/net_namespace.c:446)
[    8.514889]  copy_net_ns (net/core/net_namespace.c:579)
[    8.514913]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.514942]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.514968]  ksys_unshare (kernel/fork.c:3243)
[    8.514988]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.515014]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.515037]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.515071] RIP: 0033:0x7f9b745c1bcb
[    8.515095] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.515186] RSP: 002b:00007ffca3c4f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.515222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9b745c1bcb
[    8.515261] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    8.515306] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    8.515349] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffca3c51850
[    8.515394] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffca3c538c0
| [    8.519213] ------------[ cut here ]------------
| [    8.519294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/219
| [    8.519395] Modules linked in: unix_diag
| [    8.519578] Tainted: [W]=WARN
[    8.519640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.519732] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.519806] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.519955] RSP: 0018:ff6ea731002e3720 EFLAGS: 00010286
[    8.520020] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    8.520110] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01941000
[    8.520201] RBP: 0000000000000000 R08: ff18c0ab03223510 R09: ff18c0ab02eae02c
[    8.520285] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[    8.520369] R13: 0000000000000010 R14: ff18c0ab03393000 R15: ff18c0ab01941000
[    8.520455] FS:  00007fd0cfbed840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[    8.520548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.520628] CR2: 000000001770b988 CR3: 000000000315c003 CR4: 0000000000771ef0
[    8.520722] PKRU: 55555554
[    8.520774] Call Trace:
[    8.520826]  <TASK>
[    8.520882]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.520945]  __dev_notify_flags (net/core/dev.c:9787)
[    8.521005]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    8.521072]  netif_change_flags (net/core/dev.c:9820)
[    8.521138]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.521210]  ? __nla_validate_parse (lib/nlattr.c:620)
[    8.521283]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    8.521346]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    8.521420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    8.521490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.521555]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    8.521623]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    8.521706]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.521774]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.521840]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.521907]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.521976]  ___sys_sendmsg (net/socket.c:2752)
[    8.522044]  __sys_sendmsg (net/socket.c:2784)
[    8.522111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.522178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.522252] RIP: 0033:0x7fd0cfe2708e
[    8.522315] 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
[    8.522463] RSP: 002b:00007ffd76170930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.522550] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd0cfe2708e
[    8.522638] RDX: 0000000000000000 RSI: 00007ffd761709e0 RDI: 0000000000000005
[    8.522730] RBP: 00007ffd76170940 R08: 0000000000000000 R09: 0000000000000000
[    8.522810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2f4
[    8.522894] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd761710b0
| [   11.558902] ------------[ cut here ]------------
| [   11.558960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.559026] Modules linked in: unix_diag
| [   11.559128] Tainted: [W]=WARN
[   11.559159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.559196] Workqueue: netns cleanup_net
[   11.559221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.559253] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.559369] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   11.559424] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.559469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.559514] RBP: 0000000000000000 R08: ff18c0ab03223950 R09: ff18c0ab04652830
[   11.559556] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   11.559596] R13: 0000000000000011 R14: ff18c0ab01886000 R15: ff18c0ab01df6900
[   11.559639] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.559688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.559722] CR2: 00007f546be30f98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[   11.559763] PKRU: 55555554
[   11.559779] Call Trace:
[   11.559795]  <TASK>
[   11.559812]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.559843]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.559866]  cleanup_net (net/core/net_namespace.c:702)
[   11.559889]  process_one_work (kernel/workqueue.c:3314)
[   11.559913]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.559936]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.559958]  kthread (kernel/kthread.c:436)
[   11.559981]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.560003]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.560032]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.560053]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.560245] ------------[ cut here ]------------
| [   11.560279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.560338] Modules linked in: unix_diag
| [   11.560424] Tainted: [W]=WARN
[   11.560447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.560478] Workqueue: netns cleanup_net
[   11.560498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.560529] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.560620] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   11.560648] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.560696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.560736] RBP: 0000000000000000 R08: ff18c0ab032238d0 R09: ff18c0ab04668030
[   11.560773] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   11.560814] R13: 0000000000000011 R14: ff18c0ab01881000 R15: ff18c0ab01df6900
[   11.560860] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.560902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.560940] CR2: 00007f546be30f98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[   11.560980] PKRU: 55555554
[   11.560995] Call Trace:
[   11.561008]  <TASK>
[   11.561025]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.561053]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.561074]  cleanup_net (net/core/net_namespace.c:702)
[   11.561098]  process_one_work (kernel/workqueue.c:3314)
[   11.561121]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.561143]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.561165]  kthread (kernel/kthread.c:436)
[   11.561186]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.561206]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.561228]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.561248]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.561423] ------------[ cut here ]------------
| [   11.561458] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.561513] Modules linked in: unix_diag
| [   11.561592] Tainted: [W]=WARN
[   11.561613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.561651] Workqueue: netns cleanup_net
[   11.561678] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.561705] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.561795] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   11.561822] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.561866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.561903] RBP: 0000000000000000 R08: ff18c0ab03223850 R09: ff18c0ab03020834
[   11.561946] R10: ff18c0ab0338a120 R11: fefefefefefefeff R12: 0000000000000000
[   11.561986] R13: 0000000000000011 R14: ff18c0ab0338a000 R15: ff18c0ab01df6900
[   11.562031] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.562071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.562107] CR2: 00007f546be30f98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[   11.562149] PKRU: 55555554
[   11.562164] Call Trace:
[   11.562178]  <TASK>
[   11.562190]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.562220]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.562241]  cleanup_net (net/core/net_namespace.c:702)
[   11.562263]  process_one_work (kernel/workqueue.c:3314)
[   11.562286]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.562305]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.562325]  kthread (kernel/kthread.c:436)
[   11.562349]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.562375]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.562397]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.562426]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.562602] ------------[ cut here ]------------
| [   11.562639] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.562702] Modules linked in: unix_diag
| [   11.562780] Tainted: [W]=WARN
[   11.562803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.562834] Workqueue: netns cleanup_net
[   11.562858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.562887] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.562977] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   11.563007] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.563047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.563087] RBP: 0000000000000000 R08: ff18c0ab03223790 R09: ff18c0ab01257830
[   11.563131] R10: ff18c0ab0338b120 R11: fefefefefefefeff R12: 0000000000000000
[   11.563170] R13: 0000000000000011 R14: ff18c0ab0338b000 R15: ff18c0ab01df6900
[   11.563218] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.563261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.563300] CR2: 00007f546be30f98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[   11.563338] PKRU: 55555554
[   11.563353] Call Trace:
[   11.563366]  <TASK>
[   11.563383]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.563412]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.563439]  cleanup_net (net/core/net_namespace.c:702)
[   11.563463]  process_one_work (kernel/workqueue.c:3314)
[   11.563485]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.563505]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.563528]  kthread (kernel/kthread.c:436)
[   11.563551]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.563573]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.563596]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.563617]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.563768] ------------[ cut here ]------------
| [   11.563805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.563862] Modules linked in: unix_diag
| [   11.563941] Tainted: [W]=WARN
[   11.563963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.563993] Workqueue: netns cleanup_net
[   11.564016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.564044] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.564135] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   11.564164] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.564204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.564245] RBP: 0000000000000000 R08: ff18c0ab03223590 R09: ff18c0ab044e2830
[   11.564286] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   11.564330] R13: 0000000000000011 R14: ff18c0ab03028000 R15: ff18c0ab01df6900
[   11.564372] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.564412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.564454] CR2: 00007f546be30f98 CR3: 00000000030a5002 CR4: 0000000000771ef0
[   11.564496] PKRU: 55555554
[   11.564511] Call Trace:
[   11.564524]  <TASK>
[   11.564541]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.564568]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.564594]  cleanup_net (net/core/net_namespace.c:702)
[   11.564616]  process_one_work (kernel/workqueue.c:3314)
[   11.564638]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.564664]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.564684]  kthread (kernel/kthread.c:436)
[   11.564705]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.564727]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.564745]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.564766]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.568735] ------------[ cut here ]------------
| [   11.568778] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.568837] Modules linked in: unix_diag
| [   11.568922] Tainted: [W]=WARN
[   11.568941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.568978] Workqueue: netns cleanup_net
[   11.569002] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.569028] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.569119] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   11.569148] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   11.569192] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.569229] RBP: 0000000000000000 R08: ff18c0ab03223510 R09: ff18c0ab0302802c
[   11.569273] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[   11.569316] R13: 0000000000000010 R14: ff18c0ab03393000 R15: ff18c0ab01df6900
[   11.569359] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.569403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.569448] CR2: 00007f1d3877aac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   11.569490] PKRU: 55555554
[   11.569506] Call Trace:
[   11.569521]  <TASK>
[   11.569533]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.569557]  netif_close_many (net/core/dev.c:1804)
[   11.569581]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   11.569610]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   11.569630]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.569663]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.569685]  cleanup_net (net/core/net_namespace.c:702)
[   11.569710]  process_one_work (kernel/workqueue.c:3314)
[   11.569731]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.569755]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.569778]  kthread (kernel/kthread.c:436)
[   11.569801]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.569827]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.569851]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.569873]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.570038] ------------[ cut here ]------------
| [   11.570076] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   11.570132] Modules linked in: unix_diag
| [   11.570210] Tainted: [W]=WARN
[   11.570228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.570260] Workqueue: netns cleanup_net
[   11.570290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.570318] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.570424] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   11.570453] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.570493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   11.570535] RBP: 0000000000000000 R08: ff18c0ab03223510 R09: ff18c0ab019ba02c
[   11.570577] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[   11.570616] R13: 0000000000000011 R14: ff18c0ab03393000 R15: ff18c0ab01df6900
[   11.570665] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   11.570705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.570736] CR2: 00007f1d3877aac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   11.570776] PKRU: 55555554
[   11.570794] Call Trace:
[   11.570811]  <TASK>
[   11.570827]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.570856]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.570888]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.570910]  cleanup_net (net/core/net_namespace.c:702)
[   11.570933]  process_one_work (kernel/workqueue.c:3314)
[   11.570958]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.570979]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.571004]  kthread (kernel/kthread.c:436)
[   11.571029]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.571051]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.571074]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.571095]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.573121] ------------[ cut here ]------------
| [   11.573164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/236
| [   11.573223] Modules linked in: unix_diag
| [   11.573311] Tainted: [W]=WARN
[   11.573337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.573380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.573411] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.573513] RSP: 0018:ff6ea7310029bcb8 EFLAGS: 00010286
[   11.573542] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.573587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799c400
[   11.573625] RBP: 0000000000000000 R08: ff18c0ab03296150 R09: ff18c0ab0338902c
[   11.573671] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   11.573712] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab0799c400
[   11.573763] FS:  00007efe3023f840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   11.573810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.573850] CR2: 00007efe30446430 CR3: 00000000018f8005 CR4: 0000000000771ef0
[   11.573892] PKRU: 55555554
[   11.573908] Call Trace:
[   11.573924]  <TASK>
[   11.573943]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.573968]  register_netdevice (net/core/dev.c:11488)
[   11.573996]  register_netdev (net/core/dev.c:11552)
[   11.574022]  loopback_net_init (drivers/net/loopback.c:218)
[   11.574048]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   11.574080]  ops_init (net/core/net_namespace.c:137)
[   11.574105]  setup_net (net/core/net_namespace.c:446)
[   11.574127]  copy_net_ns (net/core/net_namespace.c:579)
[   11.574153]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.574187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.574219]  ksys_unshare (kernel/fork.c:3243)
[   11.574245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.574268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.574296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.574327] RIP: 0033:0x7efe30501bcb
[   11.574352] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.574452] RSP: 002b:00007fff52db40b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.574495] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efe30501bcb
[   11.574539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.574579] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.574623] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff52db62e0
[   11.574671] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff52db68c0
| [   11.574813] ------------[ cut here ]------------
| [   11.574846] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/236
| [   11.574899] Modules linked in: unix_diag
| [   11.574988] Tainted: [W]=WARN
[   11.575010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.575045] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.575074] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.575171] RSP: 0018:ff6ea7310029bc10 EFLAGS: 00010286
[   11.575201] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.575241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924900
[   11.575288] RBP: 0000000000000000 R08: ff18c0ab03296210 R09: ff18c0ab060d9030
[   11.575330] R10: ff18c0ab03389120 R11: fefefefefefefeff R12: 0000000000000000
[   11.575374] R13: 0000000000000010 R14: ff18c0ab03389000 R15: ff18c0ab01924900
[   11.575423] FS:  00007efe3023f840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   11.575471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.575506] CR2: 00007efe30446430 CR3: 00000000018f8005 CR4: 0000000000771ef0
[   11.575546] PKRU: 55555554
[   11.575562] Call Trace:
[   11.575576]  <TASK>
[   11.575591]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.575614]  register_netdevice (net/core/dev.c:11488)
[   11.575638]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.575670]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.575693]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   11.575718]  ops_init (net/core/net_namespace.c:137)
[   11.575742]  setup_net (net/core/net_namespace.c:446)
[   11.575768]  copy_net_ns (net/core/net_namespace.c:579)
[   11.575792]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.575822]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.575856]  ksys_unshare (kernel/fork.c:3243)
[   11.575878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.575907]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.575933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.575965] RIP: 0033:0x7efe30501bcb
[   11.575990] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.576096] RSP: 002b:00007fff52db40b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.576139] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efe30501bcb
[   11.576186] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.576230] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.576274] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff52db62e0
[   11.576311] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff52db68c0
| [   11.576478] ------------[ cut here ]------------
| [   11.576512] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/236
| [   11.576563] Modules linked in: unix_diag
| [   11.576642] Tainted: [W]=WARN
[   11.576669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.576704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.576734] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.576837] RSP: 0018:ff6ea7310029bbf0 EFLAGS: 00010286
[   11.576867] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.576914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190e600
[   11.576959] RBP: 0000000000000000 R08: ff18c0ab03296250 R09: ff18c0ab08760030
[   11.577000] R10: ff18c0ab01880120 R11: fefefefefefefeff R12: 0000000000000000
[   11.577050] R13: 0000000000000010 R14: ff18c0ab01880000 R15: ff18c0ab0190e600
[   11.577097] FS:  00007efe3023f840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   11.577148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.577192] CR2: 00007efe30446430 CR3: 00000000018f8005 CR4: 0000000000771ef0
[   11.577238] PKRU: 55555554
[   11.577255] Call Trace:
[   11.577272]  <TASK>
[   11.577288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.577313]  register_netdevice (net/core/dev.c:11488)
[   11.577337]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.577360]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.577383]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.577407]  ops_init (net/core/net_namespace.c:137)
[   11.577437]  setup_net (net/core/net_namespace.c:446)
[   11.577460]  copy_net_ns (net/core/net_namespace.c:579)
[   11.577483]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.577514]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.577542]  ksys_unshare (kernel/fork.c:3243)
[   11.577565]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.577588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.577613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.577642] RIP: 0033:0x7efe30501bcb
[   11.577670] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.577762] RSP: 002b:00007fff52db40b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.577804] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efe30501bcb
[   11.577842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.577882] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.577926] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff52db62e0
[   11.577964] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff52db68c0
| [   11.578107] ------------[ cut here ]------------
| [   11.578134] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/236
| [   11.578185] Modules linked in: unix_diag
| [   11.578271] Tainted: [W]=WARN
[   11.578292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.578327] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.578357] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.578455] RSP: 0018:ff6ea7310029bca8 EFLAGS: 00010286
[   11.578486] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.578528] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190ee00
[   11.578569] RBP: 0000000000000000 R08: ff18c0ab032963d0 R09: ff18c0ab01884034
[   11.578615] R10: ff18c0ab01885120 R11: fefefefefefefeff R12: 0000000000000000
[   11.578661] R13: 0000000000000010 R14: ff18c0ab01885000 R15: ff18c0ab0190ee00
[   11.578707] FS:  00007efe3023f840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   11.578753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.578788] CR2: 00007efe30446430 CR3: 00000000018f8005 CR4: 0000000000771ef0
[   11.578828] PKRU: 55555554
[   11.578843] Call Trace:
[   11.578859]  <TASK>
[   11.578875]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.578898]  register_netdevice (net/core/dev.c:11488)
[   11.578920]  register_netdev (net/core/dev.c:11552)
[   11.578942]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.578972]  ops_init (net/core/net_namespace.c:137)
[   11.578998]  setup_net (net/core/net_namespace.c:446)
[   11.579021]  copy_net_ns (net/core/net_namespace.c:579)
[   11.579045]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.579074]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.579102]  ksys_unshare (kernel/fork.c:3243)
[   11.579125]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.579149]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.579172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.579202] RIP: 0033:0x7efe30501bcb
[   11.579225] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.579318] RSP: 002b:00007fff52db40b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.579361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efe30501bcb
[   11.579411] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.579454] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.579493] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff52db62e0
[   11.579535] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff52db68c0
| [   11.579707] ------------[ cut here ]------------
| [   11.579735] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/236
| [   11.579788] Modules linked in: unix_diag
| [   11.579863] Tainted: [W]=WARN
[   11.579887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.579919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.579953] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.580050] RSP: 0018:ff6ea7310029bca0 EFLAGS: 00010286
[   11.580081] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.580122] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07d08100
[   11.580170] RBP: 0000000000000000 R08: ff18c0ab03282710 R09: ff18c0ab03394030
[   11.580214] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   11.580256] R13: 0000000000000010 R14: ff18c0ab01884000 R15: ff18c0ab07d08100
[   11.580311] FS:  00007efe3023f840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   11.580354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.580394] CR2: 00007efe30446430 CR3: 00000000018f8005 CR4: 0000000000771ef0
[   11.580447] PKRU: 55555554
[   11.580462] Call Trace:
[   11.580479]  <TASK>
[   11.580495]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.580518]  register_netdevice (net/core/dev.c:11488)
[   11.580540]  register_netdev (net/core/dev.c:11552)
[   11.580566]  sit_init_net (net/ipv6/sit.c:1860)
[   11.580594]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   11.580618]  ops_init (net/core/net_namespace.c:137)
[   11.580642]  setup_net (net/core/net_namespace.c:446)
[   11.580672]  copy_net_ns (net/core/net_namespace.c:579)
[   11.580700]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.580729]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.580758]  ksys_unshare (kernel/fork.c:3243)
[   11.580780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.580806]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.580829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.580859] RIP: 0033:0x7efe30501bcb
[   11.580884] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.580986] RSP: 002b:00007fff52db40b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.581032] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efe30501bcb
[   11.581080] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.581125] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.581165] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff52db62e0
[   11.581209] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff52db68c0
| [   11.581354] ------------[ cut here ]------------
| [   11.581384] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/236
| [   11.581438] Modules linked in: unix_diag
| [   11.581523] Tainted: [W]=WARN
[   11.581546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.581586] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.581619] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.581719] RSP: 0018:ff6ea7310029bca8 EFLAGS: 00010286
[   11.581753] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.581795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924b00
[   11.581843] RBP: 0000000000000000 R08: ff18c0ab03282790 R09: ff18c0ab0302d030
[   11.581883] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   11.581932] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab01924b00
[   11.581980] FS:  00007efe3023f840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   11.582022] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.582065] CR2: 00007efe30446430 CR3: 00000000018f8005 CR4: 0000000000771ef0
[   11.582109] PKRU: 55555554
[   11.582125] Call Trace:
[   11.582140]  <TASK>
[   11.582158]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.582182]  register_netdevice (net/core/dev.c:11488)
[   11.582205]  register_netdev (net/core/dev.c:11552)
[   11.582226]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.582248]  ops_init (net/core/net_namespace.c:137)
[   11.582274]  setup_net (net/core/net_namespace.c:446)
[   11.582297]  copy_net_ns (net/core/net_namespace.c:579)
[   11.582320]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.582350]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.582378]  ksys_unshare (kernel/fork.c:3243)
[   11.582402]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.582432]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.582455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.582488] RIP: 0033:0x7efe30501bcb
[   11.582509] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.582608] RSP: 002b:00007fff52db40b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   11.582647] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007efe30501bcb
[   11.582695] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.582736] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.582774] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff52db62e0
[   11.582819] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff52db68c0
| [   11.586485] ------------[ cut here ]------------
| [   11.586553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/237
| [   11.586643] Modules linked in: unix_diag
| [   11.586807] Tainted: [W]=WARN
[   11.586865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.586936] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.587004] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.587130] RSP: 0018:ff6ea73100367720 EFLAGS: 00010286
[   11.587202] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   11.587283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07983c00
[   11.587364] RBP: 0000000000000000 R08: ff18c0ab03296150 R09: ff18c0ab02eae02c
[   11.587453] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   11.587537] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab07983c00
[   11.587622] FS:  00007ffae7b13840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   11.587710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.587781] CR2: 0000000024066988 CR3: 00000000046bb001 CR4: 0000000000771ef0
[   11.587863] PKRU: 55555554
[   11.587915] Call Trace:
[   11.587968]  <TASK>
[   11.588021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.588085]  __dev_notify_flags (net/core/dev.c:9787)
[   11.588150]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   11.588208]  netif_change_flags (net/core/dev.c:9820)
[   11.588270]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.588331]  ? __nla_validate_parse (lib/nlattr.c:620)
[   11.588404]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   11.588474]  ? kmem_cache_alloc_node_noprof (mm/slub.c:4749 mm/slub.c:4883 mm/slub.c:4950)
[   11.588543]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   11.588609]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   11.588684]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.588746]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   11.588811]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   11.588880]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.588941]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.589007]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.589070]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.589135]  ___sys_sendmsg (net/socket.c:2752)
[   11.589199]  __sys_sendmsg (net/socket.c:2784)
[   11.589262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.589324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.589394] RIP: 0033:0x7ffae7d4d08e
[   11.589460] 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
[   11.589587] RSP: 002b:00007ffc7c5e1e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.589675] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffae7d4d08e
[   11.589753] RDX: 0000000000000000 RSI: 00007ffc7c5e1ee0 RDI: 0000000000000005
[   11.589834] RBP: 00007ffc7c5e1e40 R08: 0000000000000000 R09: 0000000000000000
[   11.589914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2f7
[   11.589990] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7c5e25b0
| [   14.625766] ------------[ cut here ]------------
| [   14.625816] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.625906] Modules linked in: unix_diag
| [   14.625996] Tainted: [W]=WARN
[   14.626014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.626057] Workqueue: netns cleanup_net
[   14.626081] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.626111] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.626207] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   14.626236] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.626275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.626314] RBP: 0000000000000000 R08: ff18c0ab03282790 R09: ff18c0ab06042830
[   14.626355] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   14.626392] R13: 0000000000000011 R14: ff18c0ab03394000 R15: ff18c0ab01df6900
[   14.626440] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.626484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.626519] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.626561] PKRU: 55555554
[   14.626581] Call Trace:
[   14.626596]  <TASK>
[   14.626617]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.626647]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.626679]  cleanup_net (net/core/net_namespace.c:702)
[   14.626699]  process_one_work (kernel/workqueue.c:3314)
[   14.626723]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.626744]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.626762]  kthread (kernel/kthread.c:436)
[   14.626783]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.626802]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.626831]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.626851]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.626998] ------------[ cut here ]------------
| [   14.627025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.627076] Modules linked in: unix_diag
| [   14.627148] Tainted: [W]=WARN
[   14.627171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.627204] Workqueue: netns cleanup_net
[   14.627226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.627250] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.627341] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   14.627369] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.627411] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.627459] RBP: 0000000000000000 R08: ff18c0ab03282710 R09: ff18c0ab093e7030
[   14.627498] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   14.627537] R13: 0000000000000011 R14: ff18c0ab01884000 R15: ff18c0ab01df6900
[   14.627583] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.627629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.627663] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.627703] PKRU: 55555554
[   14.627717] Call Trace:
[   14.627734]  <TASK>
[   14.627747]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.627774]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.627797]  cleanup_net (net/core/net_namespace.c:702)
[   14.627825]  process_one_work (kernel/workqueue.c:3314)
[   14.627846]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.627871]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.627891]  kthread (kernel/kthread.c:436)
[   14.627910]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.627934]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.627954]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.627974]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.628123] ------------[ cut here ]------------
| [   14.628161] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.628221] Modules linked in: unix_diag
| [   14.628297] Tainted: [W]=WARN
[   14.628317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.628353] Workqueue: netns cleanup_net
[   14.628376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.628409] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.628507] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   14.628533] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.628575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.628614] RBP: 0000000000000000 R08: ff18c0ab032963d0 R09: ff18c0ab0815b034
[   14.628652] R10: ff18c0ab01885120 R11: fefefefefefefeff R12: 0000000000000000
[   14.628698] R13: 0000000000000011 R14: ff18c0ab01885000 R15: ff18c0ab01df6900
[   14.628737] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.628778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.628812] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.628854] PKRU: 55555554
[   14.628869] Call Trace:
[   14.628885]  <TASK>
[   14.628902]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.628930]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.628951]  cleanup_net (net/core/net_namespace.c:702)
[   14.628973]  process_one_work (kernel/workqueue.c:3314)
[   14.628993]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.629012]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.629033]  kthread (kernel/kthread.c:436)
[   14.629053]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.629075]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.629098]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.629121]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.629237] ------------[ cut here ]------------
| [   14.629269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.629327] Modules linked in: unix_diag
| [   14.629406] Tainted: [W]=WARN
[   14.629431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.629466] Workqueue: netns cleanup_net
[   14.629487] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.629514] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.629599] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   14.629628] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.629667] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.629708] RBP: 0000000000000000 R08: ff18c0ab03296250 R09: ff18c0ab060da830
[   14.629745] R10: ff18c0ab01880120 R11: fefefefefefefeff R12: 0000000000000000
[   14.629786] R13: 0000000000000011 R14: ff18c0ab01880000 R15: ff18c0ab01df6900
[   14.629830] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.629872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.629910] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.629954] PKRU: 55555554
[   14.629969] Call Trace:
[   14.629984]  <TASK>
[   14.629998]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.630028]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.630054]  cleanup_net (net/core/net_namespace.c:702)
[   14.630076]  process_one_work (kernel/workqueue.c:3314)
[   14.630095]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.630115]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.630135]  kthread (kernel/kthread.c:436)
[   14.630156]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.630178]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.630203]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.630224]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.630338] ------------[ cut here ]------------
| [   14.630365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.630421] Modules linked in: unix_diag
| [   14.630507] Tainted: [W]=WARN
[   14.630527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.630560] Workqueue: netns cleanup_net
[   14.630581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.630607] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.630703] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   14.630733] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.630769] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.630809] RBP: 0000000000000000 R08: ff18c0ab03296210 R09: ff18c0ab078d4830
[   14.630849] R10: ff18c0ab03389120 R11: fefefefefefefeff R12: 0000000000000000
[   14.630895] R13: 0000000000000011 R14: ff18c0ab03389000 R15: ff18c0ab01df6900
[   14.630934] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.630974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.631007] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.631047] PKRU: 55555554
[   14.631060] Call Trace:
[   14.631073]  <TASK>
[   14.631088]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.631116]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.631137]  cleanup_net (net/core/net_namespace.c:702)
[   14.631155]  process_one_work (kernel/workqueue.c:3314)
[   14.631175]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.631195]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.631218]  kthread (kernel/kthread.c:436)
[   14.631240]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.631259]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.631279]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.631301]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.636369] ------------[ cut here ]------------
| [   14.636412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/253
| [   14.636472] Modules linked in: unix_diag
| [   14.636553] Tainted: [W]=WARN
[   14.636572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.636606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.636637] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.636735] RSP: 0018:ff6ea731004ebcb8 EFLAGS: 00010286
[   14.636764] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.636806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799cc00
[   14.636849] RBP: 0000000000000000 R08: ff18c0ab032384d0 R09: ff18c0ab0302902c
[   14.636888] R10: ff18c0ab06076120 R11: fefefefefefefeff R12: 0000000000000000
[   14.636929] R13: 0000000000000010 R14: ff18c0ab06076000 R15: ff18c0ab0799cc00
[   14.636972] FS:  00007f37972e7840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   14.637014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.637056] CR2: 00007f37974f17d0 CR3: 000000000198a004 CR4: 0000000000771ef0
[   14.637100] PKRU: 55555554
[   14.637115] Call Trace:
[   14.637131]  <TASK>
[   14.637146]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.637167]  register_netdevice (net/core/dev.c:11488)
[   14.637187]  register_netdev (net/core/dev.c:11552)
[   14.637208]  loopback_net_init (drivers/net/loopback.c:218)
[   14.637232]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   14.637258]  ops_init (net/core/net_namespace.c:137)
[   14.637278]  setup_net (net/core/net_namespace.c:446)
[   14.637297]  copy_net_ns (net/core/net_namespace.c:579)
[   14.637317]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.637349]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.637379]  ksys_unshare (kernel/fork.c:3243)
[   14.637400]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.637422]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.637450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.637480] RIP: 0033:0x7f37975a9bcb
[   14.637505] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.637588] RSP: 002b:00007fff8a110208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.637628] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37975a9bcb
[   14.637673] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.637719] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.637760] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8a112430
[   14.637801] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8a1128c0
| [   14.637924] ------------[ cut here ]------------
| [   14.637950] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/253
| [   14.638002] Modules linked in: unix_diag
| [   14.638080] Tainted: [W]=WARN
[   14.638101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.638137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.638163] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.638261] RSP: 0018:ff6ea731004ebc10 EFLAGS: 00010286
[   14.638293] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.638333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924a00
[   14.638378] RBP: 0000000000000000 R08: ff18c0ab03238550 R09: ff18c0ab0815b030
[   14.638420] R10: ff18c0ab03029120 R11: fefefefefefefeff R12: 0000000000000000
[   14.638462] R13: 0000000000000010 R14: ff18c0ab03029000 R15: ff18c0ab01924a00
[   14.638502] FS:  00007f37972e7840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   14.638540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.638573] CR2: 00007f37974f17d0 CR3: 000000000198a004 CR4: 0000000000771ef0
[   14.638614] PKRU: 55555554
[   14.638629] Call Trace:
[   14.638641]  <TASK>
[   14.638661]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.638682]  register_netdevice (net/core/dev.c:11488)
[   14.638703]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.638727]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.638749]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   14.638774]  ops_init (net/core/net_namespace.c:137)
[   14.638796]  setup_net (net/core/net_namespace.c:446)
[   14.638819]  copy_net_ns (net/core/net_namespace.c:579)
[   14.638838]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.638869]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.638894]  ksys_unshare (kernel/fork.c:3243)
[   14.638914]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.638936]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.638958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.638982] RIP: 0033:0x7f37975a9bcb
[   14.639004] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.639097] RSP: 002b:00007fff8a110208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.639133] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37975a9bcb
[   14.639173] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.639218] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.639257] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8a112430
[   14.639297] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8a1128c0
| [   14.639414] ------------[ cut here ]------------
| [   14.639447] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/253
| [   14.639498] Modules linked in: unix_diag
| [   14.639574] Tainted: [W]=WARN
[   14.639593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.639627] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.639661] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.639919] RSP: 0018:ff6ea731004ebbf0 EFLAGS: 00010286
[   14.639948] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.639988] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190e800
[   14.640029] RBP: 0000000000000000 R08: ff18c0ab03238750 R09: ff18c0ab0466b030
[   14.640072] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   14.640109] R13: 0000000000000010 R14: ff18c0ab03396000 R15: ff18c0ab0190e800
[   14.640151] FS:  00007f37972e7840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   14.640189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.640229] CR2: 00007f37974f17d0 CR3: 000000000198a004 CR4: 0000000000771ef0
[   14.640271] PKRU: 55555554
[   14.640287] Call Trace:
[   14.640300]  <TASK>
[   14.640313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.640334]  register_netdevice (net/core/dev.c:11488)
[   14.640353]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.640375]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.640400]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.640423]  ops_init (net/core/net_namespace.c:137)
[   14.640450]  setup_net (net/core/net_namespace.c:446)
[   14.640472]  copy_net_ns (net/core/net_namespace.c:579)
[   14.640498]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.640527]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.640556]  ksys_unshare (kernel/fork.c:3243)
[   14.640579]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.640600]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.640621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.640650] RIP: 0033:0x7f37975a9bcb
[   14.640676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.640770] RSP: 002b:00007fff8a110208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.640810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37975a9bcb
[   14.640847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.640886] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.640926] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8a112430
[   14.640966] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8a1128c0
| [   14.641059] ------------[ cut here ]------------
| [   14.641094] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.641153] Modules linked in: unix_diag
| [   14.641235] Tainted: [W]=WARN
[   14.641254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.641286] Workqueue: netns cleanup_net
[   14.641308] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.641337] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.641436] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   14.641466] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   14.641506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.641547] RBP: 0000000000000000 R08: ff18c0ab03296150 R09: ff18c0ab0338902c
[   14.641589] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   14.641629] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab01df6900
[   14.641678] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.641720] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.641749] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.641791] PKRU: 55555554
[   14.641804] Call Trace:
[   14.641819]  <TASK>
[   14.641832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.641854]  netif_close_many (net/core/dev.c:1804)
[   14.641876]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.641902]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.641930]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.641953]  cleanup_net (net/core/net_namespace.c:702)
[   14.641976]  process_one_work (kernel/workqueue.c:3314)
[   14.641997]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.642016]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.642037]  kthread (kernel/kthread.c:436)
[   14.642055]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.642076]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.642100]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.642122]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.642259] ------------[ cut here ]------------
| [   14.642287] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   14.642343] Modules linked in: unix_diag
| [   14.642419] Tainted: [W]=WARN
[   14.642445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.642478] Workqueue: netns cleanup_net
[   14.642498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.642526] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.642618] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   14.642646] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.642693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6900
[   14.642732] RBP: 0000000000000000 R08: ff18c0ab03296150 R09: ff18c0ab0927c82c
[   14.642771] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   14.642814] R13: 0000000000000011 R14: ff18c0ab01881000 R15: ff18c0ab01df6900
[   14.642860] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   14.642902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.642941] CR2: 00007f524c23cf98 CR3: 00000000030a5006 CR4: 0000000000771ef0
[   14.642987] PKRU: 55555554
[   14.643002] Call Trace:
[   14.643017]  <TASK>
[   14.643030]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.643060]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.643091]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.643113]  cleanup_net (net/core/net_namespace.c:702)
[   14.643135]  process_one_work (kernel/workqueue.c:3314)
[   14.643158]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.643181]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.643204]  kthread (kernel/kthread.c:436)
[   14.643226]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.643247]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.643267]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.643290]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.643455] ------------[ cut here ]------------
| [   14.643484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/253
| [   14.643532] Modules linked in: unix_diag
| [   14.643609] Tainted: [W]=WARN
[   14.643631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.643671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.643700] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.643802] RSP: 0018:ff6ea731004ebca8 EFLAGS: 00010286
[   14.643832] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.643871] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08753200
[   14.643911] RBP: 0000000000000000 R08: ff18c0ab03296fd0 R09: ff18c0ab01880034
[   14.643950] R10: ff18c0ab06073120 R11: fefefefefefefeff R12: 0000000000000000
[   14.643992] R13: 0000000000000010 R14: ff18c0ab06073000 R15: ff18c0ab08753200
[   14.644036] FS:  00007f37972e7840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   14.644078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.644115] CR2: 00007f37974f17d0 CR3: 000000000198a004 CR4: 0000000000771ef0
[   14.644153] PKRU: 55555554
[   14.644170] Call Trace:
[   14.644183]  <TASK>
[   14.644197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.644216]  register_netdevice (net/core/dev.c:11488)
[   14.644237]  register_netdev (net/core/dev.c:11552)
[   14.644255]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.644278]  ops_init (net/core/net_namespace.c:137)
[   14.644297]  setup_net (net/core/net_namespace.c:446)
[   14.644318]  copy_net_ns (net/core/net_namespace.c:579)
[   14.644346]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.644374]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.644401]  ksys_unshare (kernel/fork.c:3243)
[   14.644419]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.644447]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.644467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.644498] RIP: 0033:0x7f37975a9bcb
[   14.644520] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.644610] RSP: 002b:00007fff8a110208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.644650] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37975a9bcb
[   14.644693] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.644735] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.644772] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8a112430
[   14.644809] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8a1128c0
| [   14.644922] ------------[ cut here ]------------
| [   14.644949] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/253
| [   14.644992] Modules linked in: unix_diag
| [   14.645065] Tainted: [W]=WARN
[   14.645086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.645120] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.645145] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.645241] RSP: 0018:ff6ea731004ebca0 EFLAGS: 00010286
[   14.645270] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.645309] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07d08100
[   14.645353] RBP: 0000000000000000 R08: ff18c0ab044b3cd0 R09: ff18c0ab03394030
[   14.645393] R10: ff18c0ab01880120 R11: fefefefefefefeff R12: 0000000000000000
[   14.645436] R13: 0000000000000010 R14: ff18c0ab01880000 R15: ff18c0ab07d08100
[   14.645479] FS:  00007f37972e7840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   14.645524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.645555] CR2: 00007f37974f17d0 CR3: 000000000198a004 CR4: 0000000000771ef0
[   14.645595] PKRU: 55555554
[   14.645609] Call Trace:
[   14.645623]  <TASK>
[   14.645638]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.645662]  register_netdevice (net/core/dev.c:11488)
[   14.645681]  register_netdev (net/core/dev.c:11552)
[   14.645700]  sit_init_net (net/ipv6/sit.c:1860)
[   14.645723]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   14.645744]  ops_init (net/core/net_namespace.c:137)
[   14.645765]  setup_net (net/core/net_namespace.c:446)
[   14.645789]  copy_net_ns (net/core/net_namespace.c:579)
[   14.645810]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.645839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.645865]  ksys_unshare (kernel/fork.c:3243)
[   14.645886]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.645911]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.645929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.645956] RIP: 0033:0x7f37975a9bcb
[   14.645977] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.646068] RSP: 002b:00007fff8a110208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.646111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37975a9bcb
[   14.646151] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.646191] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.646235] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8a112430
[   14.646272] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8a1128c0
| [   14.646389] ------------[ cut here ]------------
| [   14.646421] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/253
| [   14.646470] Modules linked in: unix_diag
| [   14.646549] Tainted: [W]=WARN
[   14.646571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.646613] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.646644] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.646746] RSP: 0018:ff6ea731004ebca8 EFLAGS: 00010286
[   14.646775] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.646820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924b00
[   14.646867] RBP: 0000000000000000 R08: ff18c0ab033ef890 R09: ff18c0ab03392030
[   14.646916] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   14.646955] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab01924b00
[   14.647005] FS:  00007f37972e7840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   14.647051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.647086] CR2: 00007f37974f17d0 CR3: 000000000198a004 CR4: 0000000000771ef0
[   14.647131] PKRU: 55555554
[   14.647147] Call Trace:
[   14.647161]  <TASK>
[   14.647176]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.647198]  register_netdevice (net/core/dev.c:11488)
[   14.647222]  register_netdev (net/core/dev.c:11552)
[   14.647245]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.647268]  ops_init (net/core/net_namespace.c:137)
[   14.647291]  setup_net (net/core/net_namespace.c:446)
[   14.647316]  copy_net_ns (net/core/net_namespace.c:579)
[   14.647337]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.647369]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.647396]  ksys_unshare (kernel/fork.c:3243)
[   14.647420]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.647444]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.647472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.647501] RIP: 0033:0x7f37975a9bcb
[   14.647518] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.647619] RSP: 002b:00007fff8a110208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.647661] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f37975a9bcb
[   14.647702] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.647739] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.647778] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8a112430
[   14.647816] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8a1128c0
| [   14.651469] ------------[ cut here ]------------
| [   14.651549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/254
| [   14.651639] Modules linked in: unix_diag
| [   14.651793] Tainted: [W]=WARN
[   14.651846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.651917] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.651982] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.652117] RSP: 0018:ff6ea731004f3720 EFLAGS: 00010286
[   14.652179] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   14.652285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df5300
[   14.652366] RBP: 0000000000000000 R08: ff18c0ab032384d0 R09: ff18c0ab02eae02c
[   14.652452] R10: ff18c0ab06076120 R11: fefefefefefefeff R12: 0000000000000000
[   14.652530] R13: 0000000000000010 R14: ff18c0ab06076000 R15: ff18c0ab01df5300
[   14.652609] FS:  00007f2c1d981840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   14.652694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.652763] CR2: 00007f2c1dc511a0 CR3: 0000000003343002 CR4: 0000000000771ef0
[   14.652841] PKRU: 55555554
[   14.652889] Call Trace:
[   14.652938]  <TASK>
[   14.652987]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.653066]  __dev_notify_flags (net/core/dev.c:9787)
[   14.653133]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   14.653189]  netif_change_flags (net/core/dev.c:9820)
[   14.653246]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.653304]  ? __nla_validate_parse (lib/nlattr.c:620)
[   14.653371]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   14.653435]  ? kmem_cache_alloc_node_noprof (mm/slub.c:4749 mm/slub.c:4883 mm/slub.c:4950)
[   14.653504]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   14.653562]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   14.653628]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.653690]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   14.653748]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   14.653814]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.653881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.653940]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.654001]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.654062]  ___sys_sendmsg (net/socket.c:2752)
[   14.654120]  __sys_sendmsg (net/socket.c:2784)
[   14.654178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.654236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.654302] RIP: 0033:0x7f2c1dbbb08e
[   14.654358] 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
[   14.654504] RSP: 002b:00007ffe02d98f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.654587] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2c1dbbb08e
[   14.654672] RDX: 0000000000000000 RSI: 00007ffe02d98fb0 RDI: 0000000000000005
[   14.654752] RBP: 00007ffe02d98f10 R08: 0000000000000000 R09: 0000000000000000
[   14.654833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2fa
[   14.654910] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe02d99680
| [   17.689985] ------------[ cut here ]------------
| [   17.690046] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.690128] Modules linked in: unix_diag
| [   17.690232] Tainted: [W]=WARN
[   17.690261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.690296] Workqueue: netns cleanup_net
[   17.690325] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.690363] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.690474] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   17.690516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.690556] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0189b500
[   17.690622] RBP: 0000000000000000 R08: ff18c0ab033ef890 R09: ff18c0ab06045830
[   17.690669] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   17.690719] R13: 0000000000000011 R14: ff18c0ab03394000 R15: ff18c0ab0189b500
[   17.690769] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.690813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.690847] CR2: 00007fa565195f98 CR3: 00000000030a5001 CR4: 0000000000771ef0
[   17.690899] PKRU: 55555554
[   17.690915] Call Trace:
[   17.690931]  <TASK>
[   17.690947]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.690975]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.690996]  cleanup_net (net/core/net_namespace.c:702)
[   17.691019]  process_one_work (kernel/workqueue.c:3314)
[   17.691042]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.691063]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.691085]  kthread (kernel/kthread.c:436)
[   17.691110]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.691134]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.691158]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.691184]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.691384] ------------[ cut here ]------------
| [   17.691420] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.691492] Modules linked in: unix_diag
| [   17.691574] Tainted: [W]=WARN
[   17.691595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.691636] Workqueue: netns cleanup_net
[   17.691666] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.691694] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.691795] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   17.691825] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.691865] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04749500
[   17.691905] RBP: 0000000000000000 R08: ff18c0ab044b3cd0 R09: ff18c0ab01d95830
[   17.691949] R10: ff18c0ab01880120 R11: fefefefefefefeff R12: 0000000000000000
[   17.691988] R13: 0000000000000011 R14: ff18c0ab01880000 R15: ff18c0ab04749500
[   17.692031] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.692075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.692112] CR2: 00007fa565195f98 CR3: 00000000030a5001 CR4: 0000000000771ef0
[   17.692157] PKRU: 55555554
[   17.692173] Call Trace:
[   17.692187]  <TASK>
[   17.692204]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.692235]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.692258]  cleanup_net (net/core/net_namespace.c:702)
[   17.692282]  process_one_work (kernel/workqueue.c:3314)
[   17.692311]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.692334]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.692355]  kthread (kernel/kthread.c:436)
[   17.692379]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.692404]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.692427]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.692453]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.692618] ------------[ cut here ]------------
| [   17.692653] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.692719] Modules linked in: unix_diag
| [   17.692800] Tainted: [W]=WARN
[   17.692821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.692852] Workqueue: netns cleanup_net
[   17.692873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.692899] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.692996] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   17.693027] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.693071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07d14900
[   17.693113] RBP: 0000000000000000 R08: ff18c0ab03296fd0 R09: ff18c0ab01d91034
[   17.693154] R10: ff18c0ab06073120 R11: fefefefefefefeff R12: 0000000000000000
[   17.693192] R13: 0000000000000011 R14: ff18c0ab06073000 R15: ff18c0ab07d14900
[   17.693236] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.693278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.693313] CR2: 00007fa565195f98 CR3: 00000000030a5001 CR4: 0000000000771ef0
[   17.693356] PKRU: 55555554
[   17.693372] Call Trace:
[   17.693385]  <TASK>
[   17.693399]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.693429]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.693458]  cleanup_net (net/core/net_namespace.c:702)
[   17.693481]  process_one_work (kernel/workqueue.c:3314)
[   17.693503]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.693527]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.693548]  kthread (kernel/kthread.c:436)
[   17.693569]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.693593]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.693618]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.693641]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.693759] ------------[ cut here ]------------
| [   17.693847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.693911] Modules linked in: unix_diag
| [   17.693993] Tainted: [W]=WARN
[   17.694016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.694049] Workqueue: netns cleanup_net
[   17.694071] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.694101] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.694194] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   17.694220] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.694261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07d16300
[   17.694302] RBP: 0000000000000000 R08: ff18c0ab03238750 R09: ff18c0ab08760030
[   17.694344] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   17.694383] R13: 0000000000000011 R14: ff18c0ab03396000 R15: ff18c0ab07d16300
[   17.694426] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.694475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.694505] CR2: 00007fa565195f98 CR3: 00000000030a5001 CR4: 0000000000771ef0
[   17.694544] PKRU: 55555554
[   17.694559] Call Trace:
[   17.694572]  <TASK>
[   17.694588]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.694618]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.694642]  cleanup_net (net/core/net_namespace.c:702)
[   17.694669]  process_one_work (kernel/workqueue.c:3314)
[   17.694691]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.694713]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.694734]  kthread (kernel/kthread.c:436)
[   17.694757]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.694781]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.694806]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.694828]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.694957] ------------[ cut here ]------------
| [   17.694984] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.695041] Modules linked in: unix_diag
| [   17.695118] Tainted: [W]=WARN
[   17.695141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.695175] Workqueue: netns cleanup_net
[   17.695197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.695227] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.695360] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   17.695399] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.695448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01932f00
[   17.695489] RBP: 0000000000000000 R08: ff18c0ab03238550 R09: ff18c0ab061a6030
[   17.695531] R10: ff18c0ab03029120 R11: fefefefefefefeff R12: 0000000000000000
[   17.695575] R13: 0000000000000011 R14: ff18c0ab03029000 R15: ff18c0ab01932f00
[   17.695617] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.695667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.695701] CR2: 00007fa565195f98 CR3: 00000000030a5001 CR4: 0000000000771ef0
[   17.695743] PKRU: 55555554
[   17.695763] Call Trace:
[   17.695776]  <TASK>
[   17.695792]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.695822]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.695845]  cleanup_net (net/core/net_namespace.c:702)
[   17.695871]  process_one_work (kernel/workqueue.c:3314)
[   17.695889]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.695910]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.695933]  kthread (kernel/kthread.c:436)
[   17.695956]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.695979]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.696002]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.696024]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.701341] ------------[ cut here ]------------
| [   17.701383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/270
| [   17.701447] Modules linked in: unix_diag
| [   17.701538] Tainted: [W]=WARN
[   17.701560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.701596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.701626] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.701730] RSP: 0018:ff6ea7310036fcb8 EFLAGS: 00010286
[   17.701760] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.701803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08753d00
[   17.701846] RBP: 0000000000000000 R08: ff18c0ab03223690 R09: ff18c0ab0302a02c
[   17.701890] R10: ff18c0ab01882120 R11: fefefefefefefeff R12: 0000000000000000
[   17.701934] R13: 0000000000000010 R14: ff18c0ab01882000 R15: ff18c0ab08753d00
[   17.701985] FS:  00007fc3033c8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   17.702031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.702066] CR2: 00007fc3035d27d0 CR3: 0000000007d13006 CR4: 0000000000771ef0
[   17.702103] PKRU: 55555554
[   17.702118] Call Trace:
[   17.702134]  <TASK>
[   17.702150]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.702174]  register_netdevice (net/core/dev.c:11488)
[   17.702197]  register_netdev (net/core/dev.c:11552)
[   17.702219]  loopback_net_init (drivers/net/loopback.c:218)
[   17.702245]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   17.702275]  ops_init (net/core/net_namespace.c:137)
[   17.702301]  setup_net (net/core/net_namespace.c:446)
[   17.702323]  copy_net_ns (net/core/net_namespace.c:579)
[   17.702344]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.702376]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.702408]  ksys_unshare (kernel/fork.c:3243)
[   17.702436]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.702461]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.702487]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.702515] RIP: 0033:0x7fc30368abcb
[   17.702540] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.702638] RSP: 002b:00007ffc1726b128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   17.702683] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc30368abcb
[   17.702725] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   17.702767] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   17.702808] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1726d350
[   17.702853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1726e8c0
| [   17.702987] ------------[ cut here ]------------
| [   17.703014] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/270
| [   17.703068] Modules linked in: unix_diag
| [   17.703157] Tainted: [W]=WARN
[   17.703179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.703215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.703246] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.703345] RSP: 0018:ff6ea7310036fc10 EFLAGS: 00010286
[   17.703374] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.703416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799cc00
[   17.703464] RBP: 0000000000000000 R08: ff18c0ab03223cd0 R09: ff18c0ab079a2030
[   17.703508] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   17.703553] R13: 0000000000000010 R14: ff18c0ab0302a000 R15: ff18c0ab0799cc00
[   17.703599] FS:  00007fc3033c8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   17.703652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.703691] CR2: 00007fc3035d27d0 CR3: 0000000007d13006 CR4: 0000000000771ef0
[   17.703735] PKRU: 55555554
[   17.703749] Call Trace:
[   17.703764]  <TASK>
[   17.703779]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.703802]  register_netdevice (net/core/dev.c:11488)
[   17.703824]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   17.703850]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   17.703873]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   17.703898]  ops_init (net/core/net_namespace.c:137)
[   17.703922]  setup_net (net/core/net_namespace.c:446)
[   17.703942]  copy_net_ns (net/core/net_namespace.c:579)
[   17.703961]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.703992]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.704023]  ksys_unshare (kernel/fork.c:3243)
[   17.704043]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.704065]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.704089]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.704119] RIP: 0033:0x7fc30368abcb
[   17.704147] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.704250] RSP: 002b:00007ffc1726b128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   17.704293] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc30368abcb
[   17.704337] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   17.704381] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   17.704424] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1726d350
[   17.704476] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1726e8c0
| [   17.704620] ------------[ cut here ]------------
| [   17.704648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/270
| [   17.704711] Modules linked in: unix_diag
| [   17.704791] Tainted: [W]=WARN
[   17.704814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.704852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.704878] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.704978] RSP: 0018:ff6ea7310036fbf0 EFLAGS: 00010286
[   17.705009] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.705053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01924a00
[   17.705098] RBP: 0000000000000000 R08: ff18c0ab03223d90 R09: ff18c0ab0466c030
[   17.705140] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   17.705183] R13: 0000000000000010 R14: ff18c0ab03028000 R15: ff18c0ab01924a00
[   17.705230] FS:  00007fc3033c8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   17.705274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.705310] CR2: 00007fc3035d27d0 CR3: 0000000007d13006 CR4: 0000000000771ef0
[   17.705347] PKRU: 55555554
[   17.705359] Call Trace:
[   17.705373]  <TASK>
[   17.705388]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.705407]  register_netdevice (net/core/dev.c:11488)
[   17.705426]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   17.705454]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   17.705476]  vti_init_net (net/ipv4/ip_vti.c:517)
[   17.705499]  ops_init (net/core/net_namespace.c:137)
[   17.705523]  setup_net (net/core/net_namespace.c:446)
[   17.705548]  copy_net_ns (net/core/net_namespace.c:579)
[   17.705572]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.705603]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.705634]  ksys_unshare (kernel/fork.c:3243)
[   17.705654]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.705678]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.705701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.705731] RIP: 0033:0x7fc30368abcb
[   17.705751] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.705851] RSP: 002b:00007ffc1726b128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   17.705891] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc30368abcb
[   17.705932] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   17.705973] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   17.706014] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1726d350
[   17.706062] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1726e8c0
| [   17.706201] ------------[ cut here ]------------
| [   17.706228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/270
| [   17.706266] Modules linked in: unix_diag
| [   17.706340] Tainted: [W]=WARN
[   17.706363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.706398] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.706428] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.706524] RSP: 0018:ff6ea7310036fca8 EFLAGS: 00010286
[   17.706552] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.706596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190e700
[   17.706637] RBP: 0000000000000000 R08: ff18c0ab044b3750 R09: ff18c0ab01886034
[   17.706681] R10: ff18c0ab0338b120 R11: fefefefefefefeff R12: 0000000000000000
[   17.706724] R13: 0000000000000010 R14: ff18c0ab0338b000 R15: ff18c0ab0190e700
[   17.706762] FS:  00007fc3033c8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   17.706808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.706844] CR2: 00007fc3035d27d0 CR3: 0000000007d13006 CR4: 0000000000771ef0
[   17.706882] PKRU: 55555554
[   17.706895] Call Trace:
[   17.706909]  <TASK>
[   17.706923]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.706945]  register_netdevice (net/core/dev.c:11488)
[   17.706966]  register_netdev (net/core/dev.c:11552)
[   17.706988]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   17.707013]  ops_init (net/core/net_namespace.c:137)
[   17.707035]  setup_net (net/core/net_namespace.c:446)
[   17.707057]  copy_net_ns (net/core/net_namespace.c:579)
[   17.707078]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.707110]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.707140]  ksys_unshare (kernel/fork.c:3243)
[   17.707163]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.707184]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.707204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.707234] RIP: 0033:0x7fc30368abcb
[   17.707254] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.707354] RSP: 002b:00007ffc1726b128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   17.707397] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc30368abcb
[   17.707447] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   17.707490] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   17.707534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1726d350
[   17.707578] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1726e8c0
| [   17.707676] ------------[ cut here ]------------
| [   17.707710] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.707769] Modules linked in: unix_diag
| [   17.707850] Tainted: [W]=WARN
[   17.707873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.707912] Workqueue: netns cleanup_net
[   17.707936] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.707968] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.708070] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   17.708100] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   17.708144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab02f7a200
[   17.708187] RBP: 0000000000000000 R08: ff18c0ab032384d0 R09: ff18c0ab0302902c
[   17.708230] R10: ff18c0ab06076120 R11: fefefefefefefeff R12: 0000000000000000
[   17.708272] R13: 0000000000000010 R14: ff18c0ab06076000 R15: ff18c0ab02f7a200
[   17.708317] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.708360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.708403] CR2: 00007f61c2fc4ac8 CR3: 0000000033447004 CR4: 0000000000771ef0
[   17.708454] PKRU: 55555554
[   17.708469] Call Trace:
[   17.708483]  <TASK>
[   17.708499]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.708523]  netif_close_many (net/core/dev.c:1804)
[   17.708545]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   17.708577]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.708610]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.708637]  cleanup_net (net/core/net_namespace.c:702)
[   17.708665]  process_one_work (kernel/workqueue.c:3314)
[   17.708690]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.708713]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.708737]  kthread (kernel/kthread.c:436)
[   17.708762]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.708786]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.708807]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.708831]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.708992] ------------[ cut here ]------------
| [   17.709020] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   17.709089] Modules linked in: unix_diag
| [   17.709179] Tainted: [W]=WARN
[   17.709202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.709240] Workqueue: netns cleanup_net
[   17.709264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.709295] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.709398] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   17.709429] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.709481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   17.709525] RBP: 0000000000000000 R08: ff18c0ab032384d0 R09: ff18c0ab093c002c
[   17.709571] R10: ff18c0ab06076120 R11: fefefefefefefeff R12: 0000000000000000
[   17.709613] R13: 0000000000000011 R14: ff18c0ab06076000 R15: ff18c0ab01907400
[   17.709667] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   17.709711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.709750] CR2: 00007f61c2fc4ac8 CR3: 0000000033447004 CR4: 0000000000771ef0
[   17.709795] PKRU: 55555554
[   17.709811] Call Trace:
[   17.709827]  <TASK>
[   17.709842]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.709872]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.709903]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.709924]  cleanup_net (net/core/net_namespace.c:702)
[   17.709947]  process_one_work (kernel/workqueue.c:3314)
[   17.709970]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.709992]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.710015]  kthread (kernel/kthread.c:436)
[   17.710039]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.710063]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.710091]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.710114]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.710284] ------------[ cut here ]------------
| [   17.710311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/270
| [   17.710368] Modules linked in: unix_diag
| [   17.710453] Tainted: [W]=WARN
[   17.710483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.710524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.710552] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.710634] RSP: 0018:ff6ea7310036fca0 EFLAGS: 00010286
[   17.710663] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.710707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799cc00
[   17.710748] RBP: 0000000000000000 R08: ff18c0ab032d9c50 R09: ff18c0ab06073030
[   17.710789] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   17.710833] R13: 0000000000000010 R14: ff18c0ab01886000 R15: ff18c0ab0799cc00
[   17.710876] FS:  00007fc3033c8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   17.710923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.710961] CR2: 00007fc3035d27d0 CR3: 0000000007d13006 CR4: 0000000000771ef0
[   17.711006] PKRU: 55555554
[   17.711021] Call Trace:
[   17.711037]  <TASK>
[   17.711050]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.711073]  register_netdevice (net/core/dev.c:11488)
[   17.711095]  register_netdev (net/core/dev.c:11552)
[   17.711118]  sit_init_net (net/ipv6/sit.c:1860)
[   17.711139]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   17.711162]  ops_init (net/core/net_namespace.c:137)
[   17.711184]  setup_net (net/core/net_namespace.c:446)
[   17.711208]  copy_net_ns (net/core/net_namespace.c:579)
[   17.711231]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.711262]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.711291]  ksys_unshare (kernel/fork.c:3243)
[   17.711313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.711335]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.711359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.711382] RIP: 0033:0x7fc30368abcb
[   17.711405] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.711512] RSP: 002b:00007ffc1726b128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   17.711553] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc30368abcb
[   17.711598] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   17.711638] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   17.711679] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1726d350
[   17.711717] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1726e8c0
| [   17.711857] ------------[ cut here ]------------
| [   17.711885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/270
| [   17.711931] Modules linked in: unix_diag
| [   17.712013] Tainted: [W]=WARN
[   17.712031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.712066] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.712099] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.712197] RSP: 0018:ff6ea7310036fca8 EFLAGS: 00010286
[   17.712227] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.712269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07d08100
[   17.712307] RBP: 0000000000000000 R08: ff18c0ab032522d0 R09: ff18c0ab0302c030
[   17.712350] R10: ff18c0ab06073120 R11: fefefefefefefeff R12: 0000000000000000
[   17.712392] R13: 0000000000000010 R14: ff18c0ab06073000 R15: ff18c0ab07d08100
[   17.712443] FS:  00007fc3033c8840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   17.712490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.712527] CR2: 00007fc3035d27d0 CR3: 0000000007d13006 CR4: 0000000000771ef0
[   17.712571] PKRU: 55555554
[   17.712584] Call Trace:
[   17.712599]  <TASK>
[   17.712614]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.712635]  register_netdevice (net/core/dev.c:11488)
[   17.712655]  register_netdev (net/core/dev.c:11552)
[   17.712682]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   17.712705]  ops_init (net/core/net_namespace.c:137)
[   17.712729]  setup_net (net/core/net_namespace.c:446)
[   17.712750]  copy_net_ns (net/core/net_namespace.c:579)
[   17.712771]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.712802]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.712831]  ksys_unshare (kernel/fork.c:3243)
[   17.712855]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.712876]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.712899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.712927] RIP: 0033:0x7fc30368abcb
[   17.712948] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.713051] RSP: 002b:00007ffc1726b128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   17.713090] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc30368abcb
[   17.713130] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   17.713172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   17.713215] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1726d350
[   17.713260] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1726e8c0
| [   17.716759] ------------[ cut here ]------------
| [   17.716831] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/271
| [   17.716924] Modules linked in: unix_diag
| [   17.717081] Tainted: [W]=WARN
[   17.717137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.717206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.717271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.717406] RSP: 0018:ff6ea73100533720 EFLAGS: 00010286
[   17.717478] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   17.717555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01930800
[   17.717633] RBP: 0000000000000000 R08: ff18c0ab03223690 R09: ff18c0ab02eae02c
[   17.717722] R10: ff18c0ab01882120 R11: fefefefefefefeff R12: 0000000000000000
[   17.717804] R13: 0000000000000010 R14: ff18c0ab01882000 R15: ff18c0ab01930800
[   17.717886] FS:  00007f16e5171840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   17.717969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.718041] CR2: 00007f16e54411a0 CR3: 0000000004723005 CR4: 0000000000771ef0
[   17.718120] PKRU: 55555554
[   17.718169] Call Trace:
[   17.718218]  <TASK>
[   17.718267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.718325]  __dev_notify_flags (net/core/dev.c:9787)
[   17.718383]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   17.718448]  netif_change_flags (net/core/dev.c:9820)
[   17.718508]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   17.718566]  ? __nla_validate_parse (lib/nlattr.c:620)
[   17.718635]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   17.718699]  ? kmem_cache_alloc_node_noprof (mm/slub.c:4749 mm/slub.c:4883 mm/slub.c:4950)
[   17.718764]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   17.718825]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   17.718890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   17.718948]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   17.719008]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   17.719072]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   17.719131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.719189]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   17.719246]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   17.719304]  ___sys_sendmsg (net/socket.c:2752)
[   17.719363]  __sys_sendmsg (net/socket.c:2784)
[   17.719421]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.719487]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.719552] RIP: 0033:0x7f16e53ab08e
[   17.719608] 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
[   17.719750] RSP: 002b:00007ffc72077d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.719834] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f16e53ab08e
[   17.719915] RDX: 0000000000000000 RSI: 00007ffc72077e30 RDI: 0000000000000005
[   17.719996] RBP: 00007ffc72077d90 R08: 0000000000000000 R09: 0000000000000000
[   17.720075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d2fd
[   17.720153] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc72078500
| [   20.758823] ------------[ cut here ]------------
| [   20.758879] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.758941] Modules linked in: unix_diag
| [   20.759027] Tainted: [W]=WARN
[   20.759050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.759084] Workqueue: netns cleanup_net
[   20.759109] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.759138] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.759229] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   20.759256] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.759301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.759343] RBP: 0000000000000000 R08: ff18c0ab032522d0 R09: ff18c0ab09239030
[   20.759388] R10: ff18c0ab06073120 R11: fefefefefefefeff R12: 0000000000000000
[   20.759428] R13: 0000000000000011 R14: ff18c0ab06073000 R15: ff18c0ab01907400
[   20.759482] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.759525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.759559] CR2: 00007f6b0aa10ac8 CR3: 000000000324b004 CR4: 0000000000771ef0
[   20.759604] PKRU: 55555554
[   20.759620] Call Trace:
[   20.759635]  <TASK>
[   20.759651]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.759684]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.759704]  cleanup_net (net/core/net_namespace.c:702)
[   20.759726]  process_one_work (kernel/workqueue.c:3314)
[   20.759749]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.759774]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.759795]  kthread (kernel/kthread.c:436)
[   20.759817]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.759836]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.759859]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.759886]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.760025] ------------[ cut here ]------------
| [   20.760052] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.760103] Modules linked in: unix_diag
| [   20.760181] Tainted: [W]=WARN
[   20.760201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.760232] Workqueue: netns cleanup_net
[   20.760260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.760287] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.760383] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   20.760419] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.760474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.760517] RBP: 0000000000000000 R08: ff18c0ab032d9c50 R09: ff18c0ab03399830
[   20.760556] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   20.760592] R13: 0000000000000011 R14: ff18c0ab01886000 R15: ff18c0ab01907400
[   20.760635] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.760684] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.760725] CR2: 00007f6b0aa10ac8 CR3: 000000000324b004 CR4: 0000000000771ef0
[   20.760770] PKRU: 55555554
[   20.760784] Call Trace:
[   20.760799]  <TASK>
[   20.760812]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.760845]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.760868]  cleanup_net (net/core/net_namespace.c:702)
[   20.760893]  process_one_work (kernel/workqueue.c:3314)
[   20.760915]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.760936]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.760958]  kthread (kernel/kthread.c:436)
[   20.760979]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.761000]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.761022]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.761045]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.761162] ------------[ cut here ]------------
| [   20.761219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.761278] Modules linked in: unix_diag
| [   20.761354] Tainted: [W]=WARN
[   20.761377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.761414] Workqueue: netns cleanup_net
[   20.761436] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.761474] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.761561] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   20.761587] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.761625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.761672] RBP: 0000000000000000 R08: ff18c0ab044b3750 R09: ff18c0ab06041034
[   20.761710] R10: ff18c0ab0338b120 R11: fefefefefefefeff R12: 0000000000000000
[   20.761751] R13: 0000000000000011 R14: ff18c0ab0338b000 R15: ff18c0ab01907400
[   20.761794] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.761834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.761872] CR2: 00007f6b0aa10ac8 CR3: 000000000324b004 CR4: 0000000000771ef0
[   20.761907] PKRU: 55555554
[   20.761921] Call Trace:
[   20.761934]  <TASK>
[   20.761946]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.761977]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.761997]  cleanup_net (net/core/net_namespace.c:702)
[   20.762015]  process_one_work (kernel/workqueue.c:3314)
[   20.762035]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.762058]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.762079]  kthread (kernel/kthread.c:436)
[   20.762100]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.762120]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.762142]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.762164]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.762284] ------------[ cut here ]------------
| [   20.762313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.762362] Modules linked in: unix_diag
| [   20.762433] Tainted: [W]=WARN
[   20.762458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.762494] Workqueue: netns cleanup_net
[   20.762513] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.762541] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.762631] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   20.762660] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.762699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.762737] RBP: 0000000000000000 R08: ff18c0ab03223d90 R09: ff18c0ab01256030
[   20.762782] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   20.762819] R13: 0000000000000011 R14: ff18c0ab03028000 R15: ff18c0ab01907400
[   20.762861] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.762899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.762931] CR2: 00007f6b0aa10ac8 CR3: 0000000033447005 CR4: 0000000000771ef0
[   20.762968] PKRU: 55555554
[   20.762983] Call Trace:
[   20.762997]  <TASK>
[   20.763014]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.763044]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.763065]  cleanup_net (net/core/net_namespace.c:702)
[   20.763087]  process_one_work (kernel/workqueue.c:3314)
[   20.763109]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.763130]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.763153]  kthread (kernel/kthread.c:436)
[   20.763175]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.763195]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.763215]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.763236]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.763332] ------------[ cut here ]------------
| [   20.763361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.763411] Modules linked in: unix_diag
| [   20.763493] Tainted: [W]=WARN
[   20.763511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.763545] Workqueue: netns cleanup_net
[   20.763567] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.763596] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.763695] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   20.763722] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.763761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.763808] RBP: 0000000000000000 R08: ff18c0ab03223cd0 R09: ff18c0ab0606f830
[   20.763847] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   20.763889] R13: 0000000000000011 R14: ff18c0ab0302a000 R15: ff18c0ab01907400
[   20.763927] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.763968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.763999] CR2: 00007f6b0aa10ac8 CR3: 0000000033447005 CR4: 0000000000771ef0
[   20.764039] PKRU: 55555554
[   20.764054] Call Trace:
[   20.764069]  <TASK>
[   20.764081]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.764108]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.764129]  cleanup_net (net/core/net_namespace.c:702)
[   20.764149]  process_one_work (kernel/workqueue.c:3314)
[   20.764171]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.764193]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.764214]  kthread (kernel/kthread.c:436)
[   20.764235]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.764256]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.764277]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.764299]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.767691] ------------[ cut here ]------------
| [   20.767775] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [   20.767867] Modules linked in: unix_diag
| [   20.768021] Tainted: [W]=WARN
[   20.768096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.768165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.768248] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.768382] RSP: 0018:ff6ea7310053bcb8 EFLAGS: 00010286
[   20.768453] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.768584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190d900
[   20.768667] RBP: 0000000000000000 R08: ff18c0ab033de0d0 R09: ff18c0ab0338802c
[   20.768750] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   20.768829] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab0190d900
[   20.768912] FS:  00007fe927bab840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   20.768996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.769071] CR2: 00007fe927dacc20 CR3: 000000000602b001 CR4: 0000000000771ef0
[   20.769154] PKRU: 55555554
[   20.769205] Call Trace:
[   20.769255]  <TASK>
[   20.769304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.769360]  register_netdevice (net/core/dev.c:11488)
[   20.769417]  register_netdev (net/core/dev.c:11552)
[   20.769482]  loopback_net_init (drivers/net/loopback.c:218)
[   20.769540]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   20.769605]  ops_init (net/core/net_namespace.c:137)
[   20.769673]  setup_net (net/core/net_namespace.c:446)
[   20.769730]  copy_net_ns (net/core/net_namespace.c:579)
[   20.769788]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.769852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.769916]  ksys_unshare (kernel/fork.c:3243)
[   20.769973]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.770029]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.770086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.770149] RIP: 0033:0x7fe927e6dbcb
[   20.770206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.770335] RSP: 002b:00007fff9576b898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.770411] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe927e6dbcb
[   20.770495] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.770570] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.770645] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9576dac0
[   20.770725] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9576f8c0
| [   20.770995] ------------[ cut here ]------------
| [   20.771059] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [   20.771141] Modules linked in: unix_diag
| [   20.771295] Tainted: [W]=WARN
[   20.771357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.771425] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.771496] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.771624] RSP: 0018:ff6ea7310053bc10 EFLAGS: 00010286
[   20.771711] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.771793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab032ea300
[   20.771868] RBP: 0000000000000000 R08: ff18c0ab03223010 R09: ff18c0ab0606f830
[   20.771945] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   20.772026] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab032ea300
[   20.772107] FS:  00007fe927bab840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   20.772185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.772263] CR2: 00007fe927dacc20 CR3: 000000000602b001 CR4: 0000000000771ef0
[   20.772348] PKRU: 55555554
[   20.772396] Call Trace:
[   20.772454]  <TASK>
[   20.772519]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.772575]  register_netdevice (net/core/dev.c:11488)
[   20.772632]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.772699]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.772756]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   20.772814]  ops_init (net/core/net_namespace.c:137)
[   20.772874]  setup_net (net/core/net_namespace.c:446)
[   20.772935]  copy_net_ns (net/core/net_namespace.c:579)
[   20.772996]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.773063]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.773132]  ksys_unshare (kernel/fork.c:3243)
[   20.773220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.773283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.773344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.773409] RIP: 0033:0x7fe927e6dbcb
[   20.773474] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.773606] RSP: 002b:00007fff9576b898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.773688] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe927e6dbcb
[   20.773765] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.773844] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.773921] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9576dac0
[   20.773994] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9576f8c0
| [   20.774270] ------------[ cut here ]------------
| [   20.774338] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [   20.774425] Modules linked in: unix_diag
| [   20.774583] Tainted: [W]=WARN
[   20.774636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.774710] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.774776] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.774914] RSP: 0018:ff6ea7310053bbf0 EFLAGS: 00010286
[   20.774976] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.775053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab019f2a00
[   20.775128] RBP: 0000000000000000 R08: ff18c0ab04597350 R09: ff18c0ab06041030
[   20.775203] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[   20.775278] R13: 0000000000000010 R14: ff18c0ab03393000 R15: ff18c0ab019f2a00
[   20.775357] FS:  00007fe927bab840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   20.775434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.775509] CR2: 00007fe927dacc20 CR3: 000000000602b001 CR4: 0000000000771ef0
[   20.775589] PKRU: 55555554
[   20.775637] Call Trace:
[   20.775716]  <TASK>
[   20.775766]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.775823]  register_netdevice (net/core/dev.c:11488)
[   20.775879]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.775937]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.775993]  vti_init_net (net/ipv4/ip_vti.c:517)
[   20.776049]  ops_init (net/core/net_namespace.c:137)
[   20.776105]  setup_net (net/core/net_namespace.c:446)
[   20.776162]  copy_net_ns (net/core/net_namespace.c:579)
[   20.776249]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.776314]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.776380]  ksys_unshare (kernel/fork.c:3243)
[   20.776438]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.776502]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.776566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.776635] RIP: 0033:0x7fe927e6dbcb
[   20.776700] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.776832] RSP: 002b:00007fff9576b898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.776910] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe927e6dbcb
[   20.776985] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.777060] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.777135] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9576dac0
[   20.777210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9576f8c0
| [   20.777481] ------------[ cut here ]------------
| [   20.777553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [   20.777641] Modules linked in: unix_diag
| [   20.777795] Tainted: [W]=WARN
[   20.777854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.777926] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.777994] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.778129] RSP: 0018:ff6ea7310053bca8 EFLAGS: 00010286
[   20.778192] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.778270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01931300
[   20.778344] RBP: 0000000000000000 R08: ff18c0ab033e9b90 R09: ff18c0ab01887034
[   20.778422] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   20.778504] R13: 0000000000000010 R14: ff18c0ab01180000 R15: ff18c0ab01931300
[   20.778589] FS:  00007fe927bab840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   20.778679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.778754] CR2: 00007fe927dacc20 CR3: 000000000602b001 CR4: 0000000000771ef0
[   20.778838] PKRU: 55555554
[   20.778888] Call Trace:
[   20.778938]  <TASK>
[   20.778988]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.779049]  register_netdevice (net/core/dev.c:11488)
[   20.779110]  register_netdev (net/core/dev.c:11552)
[   20.779172]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   20.779237]  ops_init (net/core/net_namespace.c:137)
[   20.779299]  setup_net (net/core/net_namespace.c:446)
[   20.779357]  copy_net_ns (net/core/net_namespace.c:579)
[   20.779413]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.779483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.779547]  ksys_unshare (kernel/fork.c:3243)
[   20.779610]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.779678]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.779743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.779810] RIP: 0033:0x7fe927e6dbcb
[   20.779866] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.780002] RSP: 002b:00007fff9576b898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.780081] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe927e6dbcb
[   20.780160] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.780239] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.780316] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9576dac0
[   20.780393] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9576f8c0
| [   20.780683] ------------[ cut here ]------------
| [   20.780748] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [   20.780837] Modules linked in: unix_diag
| [   20.780986] Tainted: [W]=WARN
[   20.781042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.781116] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.781181] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.781318] RSP: 0018:ff6ea7310053bca0 EFLAGS: 00010286
[   20.781381] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.781471] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0471bb00
[   20.781551] RBP: 0000000000000000 R08: ff18c0ab0197dc10 R09: ff18c0ab0302b030
[   20.781643] R10: ff18c0ab01887120 R11: fefefefefefefeff R12: 0000000000000000
[   20.781726] R13: 0000000000000010 R14: ff18c0ab01887000 R15: ff18c0ab0471bb00
[   20.781812] FS:  00007fe927bab840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   20.781896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.781964] CR2: 00007fe927dacc20 CR3: 000000000602b001 CR4: 0000000000771ef0
[   20.782042] PKRU: 55555554
[   20.782090] Call Trace:
[   20.782139]  <TASK>
[   20.782187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.782243]  register_netdevice (net/core/dev.c:11488)
[   20.782299]  register_netdev (net/core/dev.c:11552)
[   20.782356]  sit_init_net (net/ipv6/sit.c:1860)
[   20.782413]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   20.782481]  ops_init (net/core/net_namespace.c:137)
[   20.782538]  setup_net (net/core/net_namespace.c:446)
[   20.782595]  copy_net_ns (net/core/net_namespace.c:579)
[   20.782651]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.782722]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.782786]  ksys_unshare (kernel/fork.c:3243)
[   20.782843]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.782898]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.782954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.783017] RIP: 0033:0x7fe927e6dbcb
[   20.783072] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.783200] RSP: 002b:00007fff9576b898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.783276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe927e6dbcb
[   20.783353] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.783432] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.783514] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9576dac0
[   20.783588] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9576f8c0
| [   20.783884] ------------[ cut here ]------------
| [   20.783973] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/287
| [   20.784063] Modules linked in: unix_diag
| [   20.784212] Tainted: [W]=WARN
[   20.784266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.784335] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.784398] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.784533] RSP: 0018:ff6ea7310053bca8 EFLAGS: 00010286
[   20.784597] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.784679] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799c400
[   20.784755] RBP: 0000000000000000 R08: ff18c0ab033efdd0 R09: ff18c0ab04601030
[   20.784832] R10: ff18c0ab0302b120 R11: fefefefefefefeff R12: 0000000000000000
[   20.784909] R13: 0000000000000010 R14: ff18c0ab0302b000 R15: ff18c0ab0799c400
[   20.784988] FS:  00007fe927bab840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   20.785065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.785135] CR2: 00007fe927dacc20 CR3: 000000000602b001 CR4: 0000000000771ef0
[   20.785222] PKRU: 55555554
[   20.785271] Call Trace:
[   20.785322]  <TASK>
[   20.785371]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.785428]  register_netdevice (net/core/dev.c:11488)
[   20.785490]  register_netdev (net/core/dev.c:11552)
[   20.785546]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   20.785606]  ops_init (net/core/net_namespace.c:137)
[   20.785668]  setup_net (net/core/net_namespace.c:446)
[   20.785752]  copy_net_ns (net/core/net_namespace.c:579)
[   20.785813]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.785880]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.785951]  ksys_unshare (kernel/fork.c:3243)
[   20.786010]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.786067]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.786123]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.786186] RIP: 0033:0x7fe927e6dbcb
[   20.786241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.786370] RSP: 002b:00007fff9576b898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.786455] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe927e6dbcb
[   20.786537] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.786613] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.786695] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9576dac0
[   20.786773] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff9576f8c0
| [   20.788726] ------------[ cut here ]------------
| [   20.788768] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.788830] Modules linked in: unix_diag
| [   20.788913] Tainted: [W]=WARN
[   20.788936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.788971] Workqueue: netns cleanup_net
[   20.788993] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.789020] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.789113] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   20.789138] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   20.789182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.789223] RBP: 0000000000000000 R08: ff18c0ab03223690 R09: ff18c0ab0302a02c
[   20.789268] R10: ff18c0ab01882120 R11: fefefefefefefeff R12: 0000000000000000
[   20.789313] R13: 0000000000000010 R14: ff18c0ab01882000 R15: ff18c0ab01907400
[   20.789361] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.789405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.789446] CR2: 00007f6b0aa10ac8 CR3: 0000000033447005 CR4: 0000000000771ef0
[   20.789494] PKRU: 55555554
[   20.789511] Call Trace:
[   20.789524]  <TASK>
[   20.789536]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.789557]  netif_close_many (net/core/dev.c:1804)
[   20.789578]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.789607]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   20.789629]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.789663]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.789685]  cleanup_net (net/core/net_namespace.c:702)
[   20.789708]  process_one_work (kernel/workqueue.c:3314)
[   20.789735]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.789760]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.789782]  kthread (kernel/kthread.c:436)
[   20.789802]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.789824]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.789846]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.789869]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.790069] ------------[ cut here ]------------
| [   20.790106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   20.790164] Modules linked in: unix_diag
| [   20.790241] Tainted: [W]=WARN
[   20.790263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.790298] Workqueue: netns cleanup_net
[   20.790320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.790351] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.790454] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   20.790483] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.790526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   20.790567] RBP: 0000000000000000 R08: ff18c0ab03223690 R09: ff18c0ab093e782c
[   20.790610] R10: ff18c0ab01882120 R11: fefefefefefefeff R12: 0000000000000000
[   20.790653] R13: 0000000000000011 R14: ff18c0ab01882000 R15: ff18c0ab01907400
[   20.790700] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   20.790741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.790774] CR2: 00007f6b0aa10ac8 CR3: 0000000033447005 CR4: 0000000000771ef0
[   20.790821] PKRU: 55555554
[   20.790835] Call Trace:
[   20.790852]  <TASK>
[   20.790865]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.790893]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.790917]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.790939]  cleanup_net (net/core/net_namespace.c:702)
[   20.790963]  process_one_work (kernel/workqueue.c:3314)
[   20.790984]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.791005]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.791027]  kthread (kernel/kthread.c:436)
[   20.791049]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.791073]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.791097]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.791119]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.792828] ------------[ cut here ]------------
| [   20.792896] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/288
| [   20.792952] Modules linked in: unix_diag
| [   20.793036] Tainted: [W]=WARN
[   20.793058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.793092] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.793121] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.793213] RSP: 0018:ff6ea73100563720 EFLAGS: 00010286
[   20.793243] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   20.793282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191ed00
[   20.793322] RBP: 0000000000000000 R08: ff18c0ab033de0d0 R09: ff18c0ab01c3202c
[   20.793362] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   20.793401] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab0191ed00
[   20.793447] FS:  00007f9eb8abc840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   20.793491] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.793519] CR2: 000000002919b988 CR3: 00000000084ad005 CR4: 0000000000771ef0
[   20.793560] PKRU: 55555554
[   20.793573] Call Trace:
[   20.793584]  <TASK>
[   20.793599]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.793622]  __dev_notify_flags (net/core/dev.c:9787)
[   20.793646]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   20.793674]  netif_change_flags (net/core/dev.c:9820)
[   20.793697]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.793721]  ? __nla_validate_parse (lib/nlattr.c:620)
[   20.793757]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   20.793781]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   20.793806]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   20.793835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.793858]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   20.793881]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   20.793907]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.793926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.793951]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.793973]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.793993]  ___sys_sendmsg (net/socket.c:2752)
[   20.794015]  __sys_sendmsg (net/socket.c:2784)
[   20.794036]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.794057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.794087] RIP: 0033:0x7f9eb8cf608e
[   20.794108] 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
[   20.794209] RSP: 002b:00007ffd0d797120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.794242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9eb8cf608e
[   20.794291] RDX: 0000000000000000 RSI: 00007ffd0d7971d0 RDI: 0000000000000005
[   20.794332] RBP: 00007ffd0d797130 R08: 0000000000000000 R09: 0000000000000000
[   20.794373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d300
[   20.794413] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0d7978a0
| [   25.830939] ------------[ cut here ]------------
| [   25.831004] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.831071] Modules linked in: unix_diag
| [   25.831160] Tainted: [W]=WARN
[   25.831186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.831222] Workqueue: netns cleanup_net
[   25.831247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.831278] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.831387] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   25.831416] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.831469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.831509] RBP: 0000000000000000 R08: ff18c0ab033efdd0 R09: ff18c0ab078d1030
[   25.831547] R10: ff18c0ab0302b120 R11: fefefefefefefeff R12: 0000000000000000
[   25.831592] R13: 0000000000000011 R14: ff18c0ab0302b000 R15: ff18c0ab01907400
[   25.831636] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.831690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.831726] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.831771] PKRU: 55555554
[   25.831786] Call Trace:
[   25.831808]  <TASK>
[   25.831825]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.831861]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.831886]  cleanup_net (net/core/net_namespace.c:702)
[   25.831911]  process_one_work (kernel/workqueue.c:3314)
[   25.831937]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.831959]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.831987]  kthread (kernel/kthread.c:436)
[   25.832012]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.832039]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.832064]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.832092]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.832316] ------------[ cut here ]------------
| [   25.832353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.832413] Modules linked in: unix_diag
| [   25.832509] Tainted: [W]=WARN
[   25.832532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.832568] Workqueue: netns cleanup_net
[   25.832592] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.832624] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.832728] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   25.832758] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.832803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.832848] RBP: 0000000000000000 R08: ff18c0ab0197dc10 R09: ff18c0ab09232030
[   25.832894] R10: ff18c0ab01887120 R11: fefefefefefefeff R12: 0000000000000000
[   25.832936] R13: 0000000000000011 R14: ff18c0ab01887000 R15: ff18c0ab01907400
[   25.832988] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.833032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.833073] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.833112] PKRU: 55555554
[   25.833127] Call Trace:
[   25.833143]  <TASK>
[   25.833159]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.833190]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.833217]  cleanup_net (net/core/net_namespace.c:702)
[   25.833244]  process_one_work (kernel/workqueue.c:3314)
[   25.833268]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.833292]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.833314]  kthread (kernel/kthread.c:436)
[   25.833337]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.833359]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.833383]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.833406]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.833608] ------------[ cut here ]------------
| [   25.833641] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.833716] Modules linked in: unix_diag
| [   25.833796] Tainted: [W]=WARN
[   25.833820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.833854] Workqueue: netns cleanup_net
[   25.833880] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.833911] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.834013] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   25.834042] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.834081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.834120] RBP: 0000000000000000 R08: ff18c0ab033e9b90 R09: ff18c0ab019ce834
[   25.834164] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   25.834207] R13: 0000000000000011 R14: ff18c0ab01180000 R15: ff18c0ab01907400
[   25.834252] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.834294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.834331] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.834372] PKRU: 55555554
[   25.834387] Call Trace:
[   25.834406]  <TASK>
[   25.834423]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.834461]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.834483]  cleanup_net (net/core/net_namespace.c:702)
[   25.834506]  process_one_work (kernel/workqueue.c:3314)
[   25.834531]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.834554]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.834576]  kthread (kernel/kthread.c:436)
[   25.834600]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.834623]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.834647]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.834676]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.834856] ------------[ cut here ]------------
| [   25.834894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.834956] Modules linked in: unix_diag
| [   25.835048] Tainted: [W]=WARN
[   25.835071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.835109] Workqueue: netns cleanup_net
[   25.835132] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.835161] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.835274] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   25.835304] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.835345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.835386] RBP: 0000000000000000 R08: ff18c0ab04597350 R09: ff18c0ab08743030
[   25.835431] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[   25.835478] R13: 0000000000000011 R14: ff18c0ab03393000 R15: ff18c0ab01907400
[   25.835522] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.835567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.835605] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.835651] PKRU: 55555554
[   25.835671] Call Trace:
[   25.835686]  <TASK>
[   25.835703]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.835733]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.835756]  cleanup_net (net/core/net_namespace.c:702)
[   25.835777]  process_one_work (kernel/workqueue.c:3314)
[   25.835797]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.835822]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.835844]  kthread (kernel/kthread.c:436)
[   25.835868]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.835893]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.835915]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.835938]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.836151] ------------[ cut here ]------------
| [   25.836188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.836246] Modules linked in: unix_diag
| [   25.836329] Tainted: [W]=WARN
[   25.836351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.836387] Workqueue: netns cleanup_net
[   25.836409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.836440] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.836549] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   25.836579] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.836620] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.836673] RBP: 0000000000000000 R08: ff18c0ab03223010 R09: ff18c0ab06042030
[   25.836714] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   25.836757] R13: 0000000000000011 R14: ff18c0ab03388000 R15: ff18c0ab01907400
[   25.836801] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.836847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.836881] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.836924] PKRU: 55555554
[   25.836938] Call Trace:
[   25.836956]  <TASK>
[   25.836973]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.837003]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.837029]  cleanup_net (net/core/net_namespace.c:702)
[   25.837052]  process_one_work (kernel/workqueue.c:3314)
[   25.837075]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.837097]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.837124]  kthread (kernel/kthread.c:436)
[   25.837147]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.837169]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.837192]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.837216]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.840734] ------------[ cut here ]------------
| [   25.840774] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.840830] Modules linked in: unix_diag
| [   25.840917] Tainted: [W]=WARN
[   25.840944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.840991] Workqueue: netns cleanup_net
[   25.841019] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.841048] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.841133] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   25.841162] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   25.841203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.841244] RBP: 0000000000000000 R08: ff18c0ab033de0d0 R09: ff18c0ab0338802c
[   25.841290] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   25.841331] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab01907400
[   25.841379] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.841421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.841468] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.841517] PKRU: 55555554
[   25.841532] Call Trace:
[   25.841550]  <TASK>
[   25.841566]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.841588]  netif_close_many (net/core/dev.c:1804)
[   25.841616]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.841648]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   25.841677]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.841710]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.841732]  cleanup_net (net/core/net_namespace.c:702)
[   25.841755]  process_one_work (kernel/workqueue.c:3314)
[   25.841777]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.841801]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.841823]  kthread (kernel/kthread.c:436)
[   25.841846]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.841872]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.841895]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.841919]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.842060] ------------[ cut here ]------------
| [   25.842154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   25.842220] Modules linked in: unix_diag
| [   25.842299] Tainted: [W]=WARN
[   25.842321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.842355] Workqueue: netns cleanup_net
[   25.842378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.842409] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.842510] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   25.842539] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.842586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   25.842632] RBP: 0000000000000000 R08: ff18c0ab033de0d0 R09: ff18c0ab0783b82c
[   25.842677] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   25.842718] R13: 0000000000000011 R14: ff18c0ab03394000 R15: ff18c0ab01907400
[   25.842759] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   25.842804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.842838] CR2: 00005651ce6a5778 CR3: 0000000033447006 CR4: 0000000000771ef0
[   25.842885] PKRU: 55555554
[   25.842901] Call Trace:
[   25.842915]  <TASK>
[   25.842934]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.842964]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.842993]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.843016]  cleanup_net (net/core/net_namespace.c:702)
[   25.843040]  process_one_work (kernel/workqueue.c:3314)
[   25.843067]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.843093]  ? rescuer_thread (kernel/workqueue.c:3672)
[   25.843116]  kthread (kernel/kthread.c:436)
[   25.843143]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.843167]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.843191]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   25.843215]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.846688] ------------[ cut here ]------------
| [   25.846724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/304
| [   25.846776] Modules linked in: unix_diag
| [   25.846856] Tainted: [W]=WARN
[   25.846877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.846913] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.846944] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.847038] RSP: 0018:ff6ea731005a3cb8 EFLAGS: 00010286
[   25.847069] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.847108] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df5500
[   25.847148] RBP: 0000000000000000 R08: ff18c0ab03227e90 R09: ff18c0ab02ead02c
[   25.847188] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   25.847227] R13: 0000000000000010 R14: ff18c0ab01180000 R15: ff18c0ab01df5500
[   25.847271] FS:  00007f0c9625d840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   25.847312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.847346] CR2: 00007f0c9645ec20 CR3: 0000000007447001 CR4: 0000000000771ef0
[   25.847385] PKRU: 55555554
[   25.847400] Call Trace:
[   25.847413]  <TASK>
[   25.847429]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.847457]  register_netdevice (net/core/dev.c:11488)
[   25.847479]  register_netdev (net/core/dev.c:11552)
[   25.847501]  loopback_net_init (drivers/net/loopback.c:218)
[   25.847525]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   25.847554]  ops_init (net/core/net_namespace.c:137)
[   25.847580]  setup_net (net/core/net_namespace.c:446)
[   25.847601]  copy_net_ns (net/core/net_namespace.c:579)
[   25.847623]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.847651]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.847679]  ksys_unshare (kernel/fork.c:3243)
[   25.847701]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.847723]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.847747]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.847780] RIP: 0033:0x7f0c9651fbcb
[   25.847802] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.847888] RSP: 002b:00007ffec3a18ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   25.847926] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0c9651fbcb
[   25.847969] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.848006] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.848047] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec3a1acf0
[   25.848086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec3a1b8c0
| [   25.848202] ------------[ cut here ]------------
| [   25.848230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/304
| [   25.848278] Modules linked in: unix_diag
| [   25.848351] Tainted: [W]=WARN
[   25.848375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.848411] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.848440] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.848531] RSP: 0018:ff6ea731005a3c10 EFLAGS: 00010286
[   25.848557] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.848596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04503400
[   25.848637] RBP: 0000000000000000 R08: ff18c0ab03223710 R09: ff18c0ab060cd030
[   25.848679] R10: ff18c0ab02ead120 R11: fefefefefefefeff R12: 0000000000000000
[   25.848723] R13: 0000000000000010 R14: ff18c0ab02ead000 R15: ff18c0ab04503400
[   25.848765] FS:  00007f0c9625d840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   25.848808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.848847] CR2: 00007f0c9645ec20 CR3: 0000000007447001 CR4: 0000000000771ef0
[   25.848887] PKRU: 55555554
[   25.848902] Call Trace:
[   25.848914]  <TASK>
[   25.848927]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.848948]  register_netdevice (net/core/dev.c:11488)
[   25.848969]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.848998]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.849022]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   25.849046]  ops_init (net/core/net_namespace.c:137)
[   25.849065]  setup_net (net/core/net_namespace.c:446)
[   25.849084]  copy_net_ns (net/core/net_namespace.c:579)
[   25.849107]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.849134]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.849161]  ksys_unshare (kernel/fork.c:3243)
[   25.849181]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.849203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.849225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.849255] RIP: 0033:0x7f0c9651fbcb
[   25.849281] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.849368] RSP: 002b:00007ffec3a18ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   25.849408] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0c9651fbcb
[   25.849449] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.849491] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.849532] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec3a1acf0
[   25.849571] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec3a1b8c0
| [   25.849693] ------------[ cut here ]------------
| [   25.849719] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/304
| [   25.849766] Modules linked in: unix_diag
| [   25.849840] Tainted: [W]=WARN
[   25.849863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.849897] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.849922] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.850014] RSP: 0018:ff6ea731005a3bf0 EFLAGS: 00010286
[   25.850044] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.850090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0333ea00
[   25.850129] RBP: 0000000000000000 R08: ff18c0ab033bb2d0 R09: ff18c0ab061a2830
[   25.850167] R10: ff18c0ab03029120 R11: fefefefefefefeff R12: 0000000000000000
[   25.850204] R13: 0000000000000010 R14: ff18c0ab03029000 R15: ff18c0ab0333ea00
[   25.850246] FS:  00007f0c9625d840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   25.850290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.850322] CR2: 00007f0c9645ec20 CR3: 0000000007447001 CR4: 0000000000771ef0
[   25.850361] PKRU: 55555554
[   25.850377] Call Trace:
[   25.850389]  <TASK>
[   25.850404]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.850423]  register_netdevice (net/core/dev.c:11488)
[   25.850444]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.850469]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.850495]  vti_init_net (net/ipv4/ip_vti.c:517)
[   25.850519]  ops_init (net/core/net_namespace.c:137)
[   25.850544]  setup_net (net/core/net_namespace.c:446)
[   25.850565]  copy_net_ns (net/core/net_namespace.c:579)
[   25.850589]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.850616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.850647]  ksys_unshare (kernel/fork.c:3243)
[   25.850677]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.850699]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.850718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.850746] RIP: 0033:0x7f0c9651fbcb
[   25.850768] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.850858] RSP: 002b:00007ffec3a18ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   25.850900] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0c9651fbcb
[   25.850938] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.850980] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.851022] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec3a1acf0
[   25.851057] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec3a1b8c0
| [   25.851174] ------------[ cut here ]------------
| [   25.851201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/304
| [   25.851244] Modules linked in: unix_diag
| [   25.851314] Tainted: [W]=WARN
[   25.851336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.851373] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.851402] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.851497] RSP: 0018:ff6ea731005a3ca8 EFLAGS: 00010286
[   25.851523] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.851563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0184d600
[   25.851605] RBP: 0000000000000000 R08: ff18c0ab032878d0 R09: ff18c0ab0302e034
[   25.851644] R10: ff18c0ab03397120 R11: fefefefefefefeff R12: 0000000000000000
[   25.851695] R13: 0000000000000010 R14: ff18c0ab03397000 R15: ff18c0ab0184d600
[   25.851736] FS:  00007f0c9625d840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   25.851775] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.851808] CR2: 00007f0c9645ec20 CR3: 0000000007447001 CR4: 0000000000771ef0
[   25.851848] PKRU: 55555554
[   25.851862] Call Trace:
[   25.851880]  <TASK>
[   25.851896]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.851917]  register_netdevice (net/core/dev.c:11488)
[   25.851938]  register_netdev (net/core/dev.c:11552)
[   25.851959]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   25.851983]  ops_init (net/core/net_namespace.c:137)
[   25.852004]  setup_net (net/core/net_namespace.c:446)
[   25.852032]  copy_net_ns (net/core/net_namespace.c:579)
[   25.852053]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.852079]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.852106]  ksys_unshare (kernel/fork.c:3243)
[   25.852126]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.852147]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.852166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.852193] RIP: 0033:0x7f0c9651fbcb
[   25.852216] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.852303] RSP: 002b:00007ffec3a18ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   25.852342] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0c9651fbcb
[   25.852378] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.852421] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.852461] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec3a1acf0
[   25.852498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec3a1b8c0
| [   25.852616] ------------[ cut here ]------------
| [   25.852642] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/304
| [   25.852694] Modules linked in: unix_diag
| [   25.852769] Tainted: [W]=WARN
[   25.852790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.852828] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.852856] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.852941] RSP: 0018:ff6ea731005a3ca0 EFLAGS: 00010286
[   25.852969] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.853012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab032eac00
[   25.853054] RBP: 0000000000000000 R08: ff18c0ab0326ad90 R09: ff18c0ab0338d030
[   25.853097] R10: ff18c0ab0302e120 R11: fefefefefefefeff R12: 0000000000000000
[   25.853137] R13: 0000000000000010 R14: ff18c0ab0302e000 R15: ff18c0ab032eac00
[   25.853175] FS:  00007f0c9625d840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   25.853215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.853250] CR2: 00007f0c9645ec20 CR3: 0000000007447001 CR4: 0000000000771ef0
[   25.853289] PKRU: 55555554
[   25.853304] Call Trace:
[   25.853317]  <TASK>
[   25.853333]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.853356]  register_netdevice (net/core/dev.c:11488)
[   25.853377]  register_netdev (net/core/dev.c:11552)
[   25.853401]  sit_init_net (net/ipv6/sit.c:1860)
[   25.853424]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   25.853446]  ops_init (net/core/net_namespace.c:137)
[   25.853472]  setup_net (net/core/net_namespace.c:446)
[   25.853494]  copy_net_ns (net/core/net_namespace.c:579)
[   25.853515]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.853543]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.853574]  ksys_unshare (kernel/fork.c:3243)
[   25.853595]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.853616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.853641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.853674] RIP: 0033:0x7f0c9651fbcb
[   25.853695] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.853781] RSP: 002b:00007ffec3a18ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   25.853820] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0c9651fbcb
[   25.853864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.853904] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.853942] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec3a1acf0
[   25.853978] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec3a1b8c0
| [   25.854093] ------------[ cut here ]------------
| [   25.854119] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/304
| [   25.854164] Modules linked in: unix_diag
| [   25.854242] Tainted: [W]=WARN
[   25.854268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.854302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.854330] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.854416] RSP: 0018:ff6ea731005a3ca8 EFLAGS: 00010286
[   25.854445] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   25.854489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07429e00
[   25.854527] RBP: 0000000000000000 R08: ff18c0ab03252450 R09: ff18c0ab0338c030
[   25.854572] R10: ff18c0ab0338d120 R11: fefefefefefefeff R12: 0000000000000000
[   25.854612] R13: 0000000000000010 R14: ff18c0ab0338d000 R15: ff18c0ab07429e00
[   25.854649] FS:  00007f0c9625d840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   25.854698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.854731] CR2: 00007f0c9645ec20 CR3: 0000000007447001 CR4: 0000000000771ef0
[   25.854768] PKRU: 55555554
[   25.854788] Call Trace:
[   25.854803]  <TASK>
[   25.854817]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.854838]  register_netdevice (net/core/dev.c:11488)
[   25.854859]  register_netdev (net/core/dev.c:11552)
[   25.854879]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   25.854902]  ops_init (net/core/net_namespace.c:137)
[   25.854924]  setup_net (net/core/net_namespace.c:446)
[   25.854945]  copy_net_ns (net/core/net_namespace.c:579)
[   25.854966]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.854996]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.855024]  ksys_unshare (kernel/fork.c:3243)
[   25.855046]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.855068]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.855088]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.855114] RIP: 0033:0x7f0c9651fbcb
[   25.855137] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.855227] RSP: 002b:00007ffec3a18ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   25.855267] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0c9651fbcb
[   25.855309] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.855348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.855384] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffec3a1acf0
[   25.855425] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffec3a1b8c0
| [   25.859062] ------------[ cut here ]------------
| [   25.859098] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/305
| [   25.859150] Modules linked in: unix_diag
| [   25.859230] Tainted: [W]=WARN
[   25.859251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.859286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.859317] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.859404] RSP: 0018:ff6ea731005a3720 EFLAGS: 00010286
[   25.859432] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   25.859483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191ed00
[   25.859523] RBP: 0000000000000000 R08: ff18c0ab03227e90 R09: ff18c0ab01c3202c
[   25.859560] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   25.859609] R13: 0000000000000010 R14: ff18c0ab01180000 R15: ff18c0ab0191ed00
[   25.859664] FS:  00007f6a57906840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   25.859704] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.859737] CR2: 0000000027d1b988 CR3: 0000000007427002 CR4: 0000000000771ef0
[   25.859777] PKRU: 55555554
[   25.859791] Call Trace:
[   25.859804]  <TASK>
[   25.859817]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   25.859839]  __dev_notify_flags (net/core/dev.c:9787)
[   25.859866]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   25.859887]  netif_change_flags (net/core/dev.c:9820)
[   25.859909]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.859932]  ? __nla_validate_parse (lib/nlattr.c:620)
[   25.859961]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   25.859981]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   25.860003]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   25.860030]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.860056]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   25.860079]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   25.860106]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.860128]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.860151]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.860173]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.860195]  ___sys_sendmsg (net/socket.c:2752)
[   25.860218]  __sys_sendmsg (net/socket.c:2784)
[   25.860244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.860266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.860294] RIP: 0033:0x7f6a57b4008e
[   25.860320] 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
[   25.860426] RSP: 002b:00007fffd888a0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.860470] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a57b4008e
[   25.860513] RDX: 0000000000000000 RSI: 00007fffd888a150 RDI: 0000000000000005
[   25.860553] RBP: 00007fffd888a0b0 R08: 0000000000000000 R09: 0000000000000000
[   25.860597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d305
[   25.860642] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd888a820
| [   30.904872] ------------[ cut here ]------------
| [   30.904926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.904991] Modules linked in: unix_diag
| [   30.905070] Tainted: [W]=WARN
[   30.905092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.905127] Workqueue: netns cleanup_net
[   30.905152] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.905182] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.905275] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   30.905304] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.905348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.905393] RBP: 0000000000000000 R08: ff18c0ab03252450 R09: ff18c0ab07860030
[   30.905433] R10: ff18c0ab0338d120 R11: fefefefefefefeff R12: 0000000000000000
[   30.905480] R13: 0000000000000011 R14: ff18c0ab0338d000 R15: ff18c0ab01907400
[   30.905522] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.905565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.905598] CR2: 00005588a025c7d8 CR3: 0000000033447001 CR4: 0000000000771ef0
[   30.905639] PKRU: 55555554
[   30.905663] Call Trace:
[   30.905680]  <TASK>
[   30.905697]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.905732]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.905755]  cleanup_net (net/core/net_namespace.c:702)
[   30.905778]  process_one_work (kernel/workqueue.c:3314)
[   30.905803]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.905824]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.905847]  kthread (kernel/kthread.c:436)
[   30.905871]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.905893]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.905915]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.905938]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.906128] ------------[ cut here ]------------
| [   30.906166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.906219] Modules linked in: unix_diag
| [   30.906298] Tainted: [W]=WARN
[   30.906319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.906357] Workqueue: netns cleanup_net
[   30.906380] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.906412] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.906511] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   30.906538] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.906583] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.906626] RBP: 0000000000000000 R08: ff18c0ab0326ad90 R09: ff18c0ab078d4830
[   30.906670] R10: ff18c0ab0302e120 R11: fefefefefefefeff R12: 0000000000000000
[   30.906709] R13: 0000000000000011 R14: ff18c0ab0302e000 R15: ff18c0ab01907400
[   30.906750] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.906796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.906830] CR2: 00005588a025c7d8 CR3: 0000000033447001 CR4: 0000000000771ef0
[   30.906867] PKRU: 55555554
[   30.906882] Call Trace:
[   30.906895]  <TASK>
[   30.906912]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.906940]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.906960]  cleanup_net (net/core/net_namespace.c:702)
[   30.906985]  process_one_work (kernel/workqueue.c:3314)
[   30.907004]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.907029]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.907055]  kthread (kernel/kthread.c:436)
[   30.907077]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.907103]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.907125]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.907146]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.907306] ------------[ cut here ]------------
| [   30.907340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.907398] Modules linked in: unix_diag
| [   30.907500] Tainted: [W]=WARN
[   30.907532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.907564] Workqueue: netns cleanup_net
[   30.907588] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.907623] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.907723] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   30.907752] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.907794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.907840] RBP: 0000000000000000 R08: ff18c0ab032878d0 R09: ff18c0ab03398834
[   30.907881] R10: ff18c0ab03397120 R11: fefefefefefefeff R12: 0000000000000000
[   30.907928] R13: 0000000000000011 R14: ff18c0ab03397000 R15: ff18c0ab01907400
[   30.907972] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.908013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.908051] CR2: 00005588a025c7d8 CR3: 0000000033447001 CR4: 0000000000771ef0
[   30.908096] PKRU: 55555554
[   30.908111] Call Trace:
[   30.908128]  <TASK>
[   30.908143]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.908173]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.908195]  cleanup_net (net/core/net_namespace.c:702)
[   30.908217]  process_one_work (kernel/workqueue.c:3314)
[   30.908241]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.908263]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.908285]  kthread (kernel/kthread.c:436)
[   30.908308]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.908331]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.908354]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.908376]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.908562] ------------[ cut here ]------------
| [   30.908603] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.908667] Modules linked in: unix_diag
| [   30.908750] Tainted: [W]=WARN
[   30.908773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.908808] Workqueue: netns cleanup_net
[   30.908829] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.908858] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.908951] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   30.908981] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.909021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.909066] RBP: 0000000000000000 R08: ff18c0ab033bb2d0 R09: ff18c0ab060c8830
[   30.909105] R10: ff18c0ab03029120 R11: fefefefefefefeff R12: 0000000000000000
[   30.909143] R13: 0000000000000011 R14: ff18c0ab03029000 R15: ff18c0ab01907400
[   30.909186] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.909228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.909266] CR2: 00005588a025c7d8 CR3: 0000000033447001 CR4: 0000000000771ef0
[   30.909306] PKRU: 55555554
[   30.909321] Call Trace:
[   30.909335]  <TASK>
[   30.909351]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.909381]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.909403]  cleanup_net (net/core/net_namespace.c:702)
[   30.909426]  process_one_work (kernel/workqueue.c:3314)
[   30.909447]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.909477]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.909498]  kthread (kernel/kthread.c:436)
[   30.909525]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.909546]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.909566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.909590]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.909715] ------------[ cut here ]------------
| [   30.909742] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.909798] Modules linked in: unix_diag
| [   30.909931] Tainted: [W]=WARN
[   30.909959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.909992] Workqueue: netns cleanup_net
[   30.910017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.910047] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.910143] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   30.910174] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.910211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.910253] RBP: 0000000000000000 R08: ff18c0ab03223710 R09: ff18c0ab09239030
[   30.910293] R10: ff18c0ab02ead120 R11: fefefefefefefeff R12: 0000000000000000
[   30.910330] R13: 0000000000000011 R14: ff18c0ab02ead000 R15: ff18c0ab01907400
[   30.910373] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.910416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.910450] CR2: 00005588a025c7d8 CR3: 0000000033447001 CR4: 0000000000771ef0
[   30.910504] PKRU: 55555554
[   30.910517] Call Trace:
[   30.910533]  <TASK>
[   30.910548]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.910581]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.910602]  cleanup_net (net/core/net_namespace.c:702)
[   30.910625]  process_one_work (kernel/workqueue.c:3314)
[   30.910647]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.910670]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.910694]  kthread (kernel/kthread.c:436)
[   30.910717]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.910739]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.910760]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.910782]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.914477] ------------[ cut here ]------------
| [   30.914549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/321
| [   30.914637] Modules linked in: unix_diag
| [   30.914799] Tainted: [W]=WARN
[   30.914857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.914930] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.915006] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.915170] RSP: 0018:ff6ea731004fbcb8 EFLAGS: 00010286
[   30.915248] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.915339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab019e9600
[   30.915430] RBP: 0000000000000000 R08: ff18c0ab03296750 R09: ff18c0ab0338902c
[   30.915524] R10: ff18c0ab01883120 R11: fefefefefefefeff R12: 0000000000000000
[   30.915616] R13: 0000000000000010 R14: ff18c0ab01883000 R15: ff18c0ab019e9600
[   30.915727] FS:  00007f911c2ad840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   30.915821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.915906] CR2: 00007f911c4aec20 CR3: 0000000001967006 CR4: 0000000000771ef0
[   30.915995] PKRU: 55555554
[   30.916048] Call Trace:
[   30.916103]  <TASK>
[   30.916157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.916219]  register_netdevice (net/core/dev.c:11488)
[   30.916276]  register_netdev (net/core/dev.c:11552)
[   30.916337]  loopback_net_init (drivers/net/loopback.c:218)
[   30.916399]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   30.916483]  ops_init (net/core/net_namespace.c:137)
[   30.916543]  setup_net (net/core/net_namespace.c:446)
[   30.916604]  copy_net_ns (net/core/net_namespace.c:579)
[   30.916673]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.916742]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.916813]  ksys_unshare (kernel/fork.c:3243)
[   30.916876]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.916939]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.917004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.917074] RIP: 0033:0x7f911c56fbcb
[   30.917134] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.917255] RSP: 002b:00007ffd5abbc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.917332] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f911c56fbcb
[   30.917407] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.917492] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.917570] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5abbeb20
[   30.917647] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5abbf8c0
| [   30.917903] ------------[ cut here ]------------
| [   30.917970] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/321
| [   30.918059] Modules linked in: unix_diag
| [   30.918212] Tainted: [W]=WARN
[   30.918271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.918341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.918409] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.918535] RSP: 0018:ff6ea731004fbc10 EFLAGS: 00010286
[   30.918603] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.918689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01850c00
[   30.918766] RBP: 0000000000000000 R08: ff18c0ab03223fd0 R09: ff18c0ab0815b830
[   30.918849] R10: ff18c0ab03389120 R11: fefefefefefefeff R12: 0000000000000000
[   30.918927] R13: 0000000000000010 R14: ff18c0ab03389000 R15: ff18c0ab01850c00
[   30.919006] FS:  00007f911c2ad840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   30.919086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.919155] CR2: 00007f911c4aec20 CR3: 0000000001967006 CR4: 0000000000771ef0
[   30.919230] PKRU: 55555554
[   30.919281] Call Trace:
[   30.919331]  <TASK>
[   30.919381]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.919443]  register_netdevice (net/core/dev.c:11488)
[   30.919508]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.919571]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.919633]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   30.919700]  ops_init (net/core/net_namespace.c:137)
[   30.919761]  setup_net (net/core/net_namespace.c:446)
[   30.919822]  copy_net_ns (net/core/net_namespace.c:579)
[   30.919882]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.919951]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.920020]  ksys_unshare (kernel/fork.c:3243)
[   30.920079]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.920140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.920202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.920269] RIP: 0033:0x7f911c56fbcb
[   30.920329] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.920451] RSP: 002b:00007ffd5abbc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.920539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f911c56fbcb
[   30.920617] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.920703] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.920782] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5abbeb20
[   30.920864] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5abbf8c0
| [   30.921109] ------------[ cut here ]------------
| [   30.921174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/321
| [   30.921263] Modules linked in: unix_diag
| [   30.921417] Tainted: [W]=WARN
[   30.921484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.921563] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.921634] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.921767] RSP: 0018:ff6ea731004fbbf0 EFLAGS: 00010286
[   30.921832] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.921916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07897200
[   30.921993] RBP: 0000000000000000 R08: ff18c0ab03223ed0 R09: ff18c0ab0615d830
[   30.922070] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   30.922145] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab07897200
[   30.922227] FS:  00007f911c2ad840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   30.922303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.922378] CR2: 00007f911c4aec20 CR3: 0000000001967006 CR4: 0000000000771ef0
[   30.922461] PKRU: 55555554
[   30.922522] Call Trace:
[   30.922572]  <TASK>
[   30.922623]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.922690]  register_netdevice (net/core/dev.c:11488)
[   30.922753]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.922815]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.922874]  vti_init_net (net/ipv4/ip_vti.c:517)
[   30.922937]  ops_init (net/core/net_namespace.c:137)
[   30.923000]  setup_net (net/core/net_namespace.c:446)
[   30.923063]  copy_net_ns (net/core/net_namespace.c:579)
[   30.923125]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.923193]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.923261]  ksys_unshare (kernel/fork.c:3243)
[   30.923323]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.923384]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.923445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.923515] RIP: 0033:0x7f911c56fbcb
[   30.923572] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.923696] RSP: 002b:00007ffd5abbc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.923775] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f911c56fbcb
[   30.923854] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.923931] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.924014] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5abbeb20
[   30.924100] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5abbf8c0
| [   30.924402] ------------[ cut here ]------------
| [   30.924485] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/321
| [   30.924587] Modules linked in: unix_diag
| [   30.924772] Tainted: [W]=WARN
[   30.924835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.924916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.924989] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.925149] RSP: 0018:ff6ea731004fbca8 EFLAGS: 00010286
[   30.925219] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.925312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab06120400
[   30.925389] RBP: 0000000000000000 R08: ff18c0ab03296ed0 R09: ff18c0ab0302a034
[   30.925472] R10: ff18c0ab0302d120 R11: fefefefefefefeff R12: 0000000000000000
[   30.925550] R13: 0000000000000010 R14: ff18c0ab0302d000 R15: ff18c0ab06120400
[   30.925630] FS:  00007f911c2ad840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   30.925724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.925796] CR2: 00007f911c4aec20 CR3: 0000000001967006 CR4: 0000000000771ef0
[   30.925879] PKRU: 55555554
[   30.925929] Call Trace:
[   30.925980]  <TASK>
[   30.926031]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.926093]  register_netdevice (net/core/dev.c:11488)
[   30.926152]  register_netdev (net/core/dev.c:11552)
[   30.926212]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   30.926276]  ops_init (net/core/net_namespace.c:137)
[   30.926338]  setup_net (net/core/net_namespace.c:446)
[   30.926397]  copy_net_ns (net/core/net_namespace.c:579)
[   30.926460]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.926535]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.926602]  ksys_unshare (kernel/fork.c:3243)
[   30.926670]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.926731]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.926792]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.926859] RIP: 0033:0x7f911c56fbcb
[   30.926918] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.927041] RSP: 002b:00007ffd5abbc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.927117] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f911c56fbcb
[   30.927195] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.927282] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.927359] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5abbeb20
[   30.927435] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5abbf8c0
| [   30.927712] ------------[ cut here ]------------
| [   30.927773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/321
| [   30.927858] Modules linked in: unix_diag
| [   30.928026] Tainted: [W]=WARN
[   30.928086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.928170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.928236] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.928372] RSP: 0018:ff6ea731004fbca0 EFLAGS: 00010286
[   30.928447] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.928542] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0613c600
[   30.928634] RBP: 0000000000000000 R08: ff18c0ab032a2110 R09: ff18c0ab01886030
[   30.928727] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   30.928820] R13: 0000000000000010 R14: ff18c0ab0302a000 R15: ff18c0ab0613c600
[   30.928916] FS:  00007f911c2ad840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   30.929012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.929096] CR2: 00007f911c4aec20 CR3: 0000000001967006 CR4: 0000000000771ef0
[   30.929192] PKRU: 55555554
[   30.929247] Call Trace:
[   30.929301]  <TASK>
[   30.929355]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.929420]  register_netdevice (net/core/dev.c:11488)
[   30.929492]  register_netdev (net/core/dev.c:11552)
[   30.929558]  sit_init_net (net/ipv6/sit.c:1860)
[   30.929618]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   30.929685]  ops_init (net/core/net_namespace.c:137)
[   30.929744]  setup_net (net/core/net_namespace.c:446)
[   30.929804]  copy_net_ns (net/core/net_namespace.c:579)
[   30.929864]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.929932]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.930003]  ksys_unshare (kernel/fork.c:3243)
[   30.930066]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.930128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.930189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.930255] RIP: 0033:0x7f911c56fbcb
[   30.930316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.930448] RSP: 002b:00007ffd5abbc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.930537] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f911c56fbcb
[   30.930615] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.930700] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.930778] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5abbeb20
[   30.930856] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5abbf8c0
| [   30.931063] ------------[ cut here ]------------
| [   30.931104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.931158] Modules linked in: unix_diag
| [   30.931233] Tainted: [W]=WARN
[   30.931254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.931287] Workqueue: netns cleanup_net
[   30.931312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.931343] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.931447] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   30.931479] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   30.931518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.931561] RBP: 0000000000000000 R08: ff18c0ab03227e90 R09: ff18c0ab02ead02c
[   30.931600] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   30.931639] R13: 0000000000000010 R14: ff18c0ab01180000 R15: ff18c0ab01907400
[   30.931717] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.931756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.931788] CR2: 000055e59bc94d5c CR3: 0000000001989006 CR4: 0000000000771ef0
[   30.931830] PKRU: 55555554
[   30.931844] Call Trace:
[   30.931859]  <TASK>
[   30.931875]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.931898]  netif_close_many (net/core/dev.c:1804)
[   30.931920]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.931948]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.931978]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.931999]  cleanup_net (net/core/net_namespace.c:702)
[   30.932021]  process_one_work (kernel/workqueue.c:3314)
[   30.932041]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.932060]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.932080]  kthread (kernel/kthread.c:436)
[   30.932102]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.932120]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.932142]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.932160]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.932296] ------------[ cut here ]------------
| [   30.932327] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   30.932389] Modules linked in: unix_diag
| [   30.932483] Tainted: [W]=WARN
[   30.932505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.932537] Workqueue: netns cleanup_net
[   30.932563] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.932590] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.932685] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   30.932711] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.932745] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   30.932787] RBP: 0000000000000000 R08: ff18c0ab03227e90 R09: ff18c0ab0604102c
[   30.932826] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   30.932869] R13: 0000000000000011 R14: ff18c0ab01180000 R15: ff18c0ab01907400
[   30.932907] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   30.932946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.932978] CR2: 000055e59bc94d5c CR3: 0000000001989006 CR4: 0000000000771ef0
[   30.933015] PKRU: 55555554
[   30.933030] Call Trace:
[   30.933048]  <TASK>
[   30.933063]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.933094]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.933124]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.933147]  cleanup_net (net/core/net_namespace.c:702)
[   30.933169]  process_one_work (kernel/workqueue.c:3314)
[   30.933190]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.933215]  ? rescuer_thread (kernel/workqueue.c:3672)
[   30.933238]  kthread (kernel/kthread.c:436)
[   30.933260]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.933283]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.933305]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   30.933329]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.933569] ------------[ cut here ]------------
| [   30.933629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/321
| [   30.933726] Modules linked in: unix_diag
| [   30.933882] Tainted: [W]=WARN
[   30.933943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.934014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.934079] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.934206] RSP: 0018:ff6ea731004fbca8 EFLAGS: 00010286
[   30.934275] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   30.934355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0613c800
[   30.934434] RBP: 0000000000000000 R08: ff18c0ab033e9850 R09: ff18c0ab0338a030
[   30.934517] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   30.934598] R13: 0000000000000010 R14: ff18c0ab01886000 R15: ff18c0ab0613c800
[   30.934683] FS:  00007f911c2ad840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   30.934763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.934833] CR2: 00007f911c4aec20 CR3: 0000000001967006 CR4: 0000000000771ef0
[   30.934910] PKRU: 55555554
[   30.934960] Call Trace:
[   30.935009]  <TASK>
[   30.935062]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.935123]  register_netdevice (net/core/dev.c:11488)
[   30.935183]  register_netdev (net/core/dev.c:11552)
[   30.935244]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   30.935306]  ops_init (net/core/net_namespace.c:137)
[   30.935368]  setup_net (net/core/net_namespace.c:446)
[   30.935427]  copy_net_ns (net/core/net_namespace.c:579)
[   30.935497]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.935567]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.935638]  ksys_unshare (kernel/fork.c:3243)
[   30.935707]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.935770]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.935837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.935912] RIP: 0033:0x7f911c56fbcb
[   30.935977] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.936105] RSP: 002b:00007ffd5abbc8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   30.936182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f911c56fbcb
[   30.936258] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.936331] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.936407] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd5abbeb20
[   30.936498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5abbf8c0
| [   30.940348] ------------[ cut here ]------------
| [   30.940385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/322
| [   30.940436] Modules linked in: unix_diag
| [   30.940523] Tainted: [W]=WARN
[   30.940543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.940576] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.940604] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.940708] RSP: 0018:ff6ea73100503720 EFLAGS: 00010286
[   30.940737] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   30.940778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0191ed00
[   30.940816] RBP: 0000000000000000 R08: ff18c0ab03296750 R09: ff18c0ab01c3202c
[   30.940856] R10: ff18c0ab01883120 R11: fefefefefefefeff R12: 0000000000000000
[   30.940894] R13: 0000000000000010 R14: ff18c0ab01883000 R15: ff18c0ab0191ed00
[   30.940939] FS:  00007f44c3a12840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   30.940981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.941017] CR2: 00007f44c3ce21a0 CR3: 0000000004457002 CR4: 0000000000771ef0
[   30.941057] PKRU: 55555554
[   30.941072] Call Trace:
[   30.941085]  <TASK>
[   30.941101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   30.941126]  __dev_notify_flags (net/core/dev.c:9787)
[   30.941148]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   30.941169]  netif_change_flags (net/core/dev.c:9820)
[   30.941191]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.941213]  ? __nla_validate_parse (lib/nlattr.c:620)
[   30.941244]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   30.941268]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   30.941292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   30.941319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.941339]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   30.941361]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   30.941388]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.941410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.941435]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.941457]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.941485]  ___sys_sendmsg (net/socket.c:2752)
[   30.941508]  __sys_sendmsg (net/socket.c:2784)
[   30.941535]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.941556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.941584] RIP: 0033:0x7f44c3c4c08e
[   30.941607] 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
[   30.941705] RSP: 002b:00007ffe53706090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.941749] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f44c3c4c08e
[   30.941786] RDX: 0000000000000000 RSI: 00007ffe53706140 RDI: 0000000000000005
[   30.941829] RBP: 00007ffe537060a0 R08: 0000000000000000 R09: 0000000000000000
[   30.941875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d30b
[   30.941914] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe53706810
| [   35.984888] ------------[ cut here ]------------
| [   35.984947] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   35.985014] Modules linked in: unix_diag
| [   35.985093] Tainted: [W]=WARN
[   35.985116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.985153] Workqueue: netns cleanup_net
[   35.985180] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.985212] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.985305] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   35.985333] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.985371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   35.985412] RBP: 0000000000000000 R08: ff18c0ab033e9850 R09: ff18c0ab060cf030
[   35.985452] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   35.985499] R13: 0000000000000011 R14: ff18c0ab01886000 R15: ff18c0ab01907400
[   35.985544] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   35.985587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.985624] CR2: 00007fa825f19ac8 CR3: 000000000456d005 CR4: 0000000000771ef0
[   35.985671] PKRU: 55555554
[   35.985686] Call Trace:
[   35.985702]  <TASK>
[   35.985718]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.985749]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.985774]  cleanup_net (net/core/net_namespace.c:702)
[   35.985797]  process_one_work (kernel/workqueue.c:3314)
[   35.985828]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.985851]  ? rescuer_thread (kernel/workqueue.c:3672)
[   35.985877]  kthread (kernel/kthread.c:436)
[   35.985903]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.985928]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.985951]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.985972]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.986155] ------------[ cut here ]------------
| [   35.986189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   35.986248] Modules linked in: unix_diag
| [   35.986328] Tainted: [W]=WARN
[   35.986348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.986389] Workqueue: netns cleanup_net
[   35.986414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.986443] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.986538] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   35.986569] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.986610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   35.986663] RBP: 0000000000000000 R08: ff18c0ab032a2110 R09: ff18c0ab0606f830
[   35.986706] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   35.986749] R13: 0000000000000011 R14: ff18c0ab0302a000 R15: ff18c0ab01907400
[   35.986788] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   35.986832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.986865] CR2: 00007fa825f19ac8 CR3: 000000000456d005 CR4: 0000000000771ef0
[   35.986914] PKRU: 55555554
[   35.986932] Call Trace:
[   35.986947]  <TASK>
[   35.986963]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.986991]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.987014]  cleanup_net (net/core/net_namespace.c:702)
[   35.987033]  process_one_work (kernel/workqueue.c:3314)
[   35.987057]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.987078]  ? rescuer_thread (kernel/workqueue.c:3672)
[   35.987101]  kthread (kernel/kthread.c:436)
[   35.987123]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.987147]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.987170]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.987193]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.987321] ------------[ cut here ]------------
| [   35.987347] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   35.987401] Modules linked in: unix_diag
| [   35.987475] Tainted: [W]=WARN
[   35.987500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.987535] Workqueue: netns cleanup_net
[   35.987558] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.987588] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.987684] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   35.987708] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.987752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   35.987791] RBP: 0000000000000000 R08: ff18c0ab03296ed0 R09: ff18c0ab019c9034
[   35.987834] R10: ff18c0ab0302d120 R11: fefefefefefefeff R12: 0000000000000000
[   35.987872] R13: 0000000000000011 R14: ff18c0ab0302d000 R15: ff18c0ab01907400
[   35.987915] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   35.987953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.987988] CR2: 00007fa825f19ac8 CR3: 0000000033447003 CR4: 0000000000771ef0
[   35.988028] PKRU: 55555554
[   35.988041] Call Trace:
[   35.988052]  <TASK>
[   35.988065]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.988099]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.988120]  cleanup_net (net/core/net_namespace.c:702)
[   35.988143]  process_one_work (kernel/workqueue.c:3314)
[   35.988167]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.988194]  ? rescuer_thread (kernel/workqueue.c:3672)
[   35.988214]  kthread (kernel/kthread.c:436)
[   35.988242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.988263]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.988287]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.988308]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.988415] ------------[ cut here ]------------
| [   35.988443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   35.988499] Modules linked in: unix_diag
| [   35.988579] Tainted: [W]=WARN
[   35.988604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.988642] Workqueue: netns cleanup_net
[   35.988668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.988696] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.988792] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   35.988821] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.988863] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   35.988905] RBP: 0000000000000000 R08: ff18c0ab03223ed0 R09: ff18c0ab07841830
[   35.988952] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   35.988999] R13: 0000000000000011 R14: ff18c0ab03394000 R15: ff18c0ab01907400
[   35.989039] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   35.989078] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.989112] CR2: 00007fa825f19ac8 CR3: 0000000033447003 CR4: 0000000000771ef0
[   35.989150] PKRU: 55555554
[   35.989166] Call Trace:
[   35.989181]  <TASK>
[   35.989194]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.989222]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.989243]  cleanup_net (net/core/net_namespace.c:702)
[   35.989266]  process_one_work (kernel/workqueue.c:3314)
[   35.989285]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.989312]  ? rescuer_thread (kernel/workqueue.c:3672)
[   35.989335]  kthread (kernel/kthread.c:436)
[   35.989362]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.989384]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.989404]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.989430]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.989535] ------------[ cut here ]------------
| [   35.989815] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   35.989883] Modules linked in: unix_diag
| [   35.989962] Tainted: [W]=WARN
[   35.989983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.990015] Workqueue: netns cleanup_net
[   35.990042] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.990068] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.990163] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   35.990194] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.990235] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   35.990276] RBP: 0000000000000000 R08: ff18c0ab03223fd0 R09: ff18c0ab078f6830
[   35.990319] R10: ff18c0ab03389120 R11: fefefefefefefeff R12: 0000000000000000
[   35.990357] R13: 0000000000000011 R14: ff18c0ab03389000 R15: ff18c0ab01907400
[   35.990398] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   35.990432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.990469] CR2: 00007fa825f19ac8 CR3: 0000000033447003 CR4: 0000000000771ef0
[   35.990522] PKRU: 55555554
[   35.990536] Call Trace:
[   35.990551]  <TASK>
[   35.990565]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.990595]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.990617]  cleanup_net (net/core/net_namespace.c:702)
[   35.990637]  process_one_work (kernel/workqueue.c:3314)
[   35.990667]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.990688]  ? rescuer_thread (kernel/workqueue.c:3672)
[   35.990707]  kthread (kernel/kthread.c:436)
[   35.990733]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.990755]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.990777]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   35.990798]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.993819] ------------[ cut here ]------------
| [   35.993886] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/338
| [   35.993977] Modules linked in: unix_diag
| [   35.994138] Tainted: [W]=WARN
[   35.994194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.994264] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.994334] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.994465] RSP: 0018:ff6ea731003bfcb8 EFLAGS: 00010286
[   35.994535] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.994611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07897000
[   35.994697] RBP: 0000000000000000 R08: ff18c0ab03296d50 R09: ff18c0ab0188702c
[   35.994774] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   35.994855] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab07897000
[   35.994936] FS:  00007fd338360840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   35.995017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.995087] CR2: 00007fd338567430 CR3: 0000000007435003 CR4: 0000000000771ef0
[   35.995169] PKRU: 55555554
[   35.995221] Call Trace:
[   35.995274]  <TASK>
[   35.995326]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   35.995391]  register_netdevice (net/core/dev.c:11488)
[   35.995449]  register_netdev (net/core/dev.c:11552)
[   35.995512]  loopback_net_init (drivers/net/loopback.c:218)
[   35.995571]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   35.995645]  ops_init (net/core/net_namespace.c:137)
[   35.995710]  setup_net (net/core/net_namespace.c:446)
[   35.995770]  copy_net_ns (net/core/net_namespace.c:579)
[   35.995826]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.995891]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.995956]  ksys_unshare (kernel/fork.c:3243)
[   35.996021]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.996084]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.996148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.996216] RIP: 0033:0x7fd338622bcb
[   35.996276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.996414] RSP: 002b:00007fff71e15938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   35.996506] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd338622bcb
[   35.996586] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.996676] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.996755] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff71e17b60
[   35.996837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff71e198c0
| [   35.997109] ------------[ cut here ]------------
| [   35.997178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/338
| [   35.997271] Modules linked in: unix_diag
| [   35.997452] Tainted: [W]=WARN
[   35.997521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.997596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.997677] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.997815] RSP: 0018:ff6ea731003bfc10 EFLAGS: 00010286
[   35.997885] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   35.997967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01931200
[   35.998044] RBP: 0000000000000000 R08: ff18c0ab044c2090 R09: ff18c0ab04583830
[   35.998120] R10: ff18c0ab01887120 R11: fefefefefefefeff R12: 0000000000000000
[   35.998199] R13: 0000000000000010 R14: ff18c0ab01887000 R15: ff18c0ab01931200
[   35.998276] FS:  00007fd338360840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   35.998356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.998429] CR2: 00007fd338567430 CR3: 0000000007435003 CR4: 0000000000771ef0
[   35.998518] PKRU: 55555554
[   35.998566] Call Trace:
[   35.998615]  <TASK>
[   35.998673]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   35.998729]  register_netdevice (net/core/dev.c:11488)
[   35.998787]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   35.998845]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   35.998905]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   35.998963]  ops_init (net/core/net_namespace.c:137)
[   35.999020]  setup_net (net/core/net_namespace.c:446)
[   35.999076]  copy_net_ns (net/core/net_namespace.c:579)
[   35.999133]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.999197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.999262]  ksys_unshare (kernel/fork.c:3243)
[   35.999318]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.999376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.999445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.999526] RIP: 0033:0x7fd338622bcb
[   35.999588] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.999726] RSP: 002b:00007fff71e15938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   35.999803] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd338622bcb
[   35.999884] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.999965] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.000042] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff71e17b60
[   36.000121] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff71e198c0
| [   36.000371] ------------[ cut here ]------------
| [   36.000436] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/338
| [   36.000540] Modules linked in: unix_diag
| [   36.000698] Tainted: [W]=WARN
[   36.000752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.000822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.000886] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.001020] RSP: 0018:ff6ea731003bfbf0 EFLAGS: 00010286
[   36.001083] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   36.001160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0471b000
[   36.001237] RBP: 0000000000000000 R08: ff18c0ab032964d0 R09: ff18c0ab09236030
[   36.001315] R10: ff18c0ab0302b120 R11: fefefefefefefeff R12: 0000000000000000
[   36.001394] R13: 0000000000000010 R14: ff18c0ab0302b000 R15: ff18c0ab0471b000
[   36.001484] FS:  00007fd338360840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   36.001570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.001642] CR2: 00007fd338567430 CR3: 0000000007435003 CR4: 0000000000771ef0
[   36.001734] PKRU: 55555554
[   36.001787] Call Trace:
[   36.001836]  <TASK>
[   36.001889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   36.001947]  register_netdevice (net/core/dev.c:11488)
[   36.002006]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   36.002070]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   36.002131]  vti_init_net (net/ipv4/ip_vti.c:517)
[   36.002188]  ops_init (net/core/net_namespace.c:137)
[   36.002246]  setup_net (net/core/net_namespace.c:446)
[   36.002303]  copy_net_ns (net/core/net_namespace.c:579)
[   36.002363]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.002436]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.002512]  ksys_unshare (kernel/fork.c:3243)
[   36.002577]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.002641]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.002706]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.002769] RIP: 0033:0x7fd338622bcb
[   36.002824] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.002959] RSP: 002b:00007fff71e15938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   36.003036] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd338622bcb
[   36.003115] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.003194] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.003270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff71e17b60
[   36.003347] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff71e198c0
| [   36.003611] ------------[ cut here ]------------
| [   36.003683] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/338
| [   36.003772] Modules linked in: unix_diag
| [   36.003930] Tainted: [W]=WARN
[   36.003986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.004054] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.004122] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.004259] RSP: 0018:ff6ea731003bfca8 EFLAGS: 00010286
[   36.004322] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   36.004399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07896f00
[   36.004484] RBP: 0000000000000000 R08: ff18c0ab032270d0 R09: ff18c0ab0302e034
[   36.004566] R10: ff18c0ab02ead120 R11: fefefefefefefeff R12: 0000000000000000
[   36.004645] R13: 0000000000000010 R14: ff18c0ab02ead000 R15: ff18c0ab07896f00
[   36.004734] FS:  00007fd338360840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   36.004815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.004886] CR2: 00007fd338567430 CR3: 0000000007435003 CR4: 0000000000771ef0
[   36.004964] PKRU: 55555554
[   36.005013] Call Trace:
[   36.005061]  <TASK>
[   36.005110]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   36.005167]  register_netdevice (net/core/dev.c:11488)
[   36.005223]  register_netdev (net/core/dev.c:11552)
[   36.005280]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   36.005339]  ops_init (net/core/net_namespace.c:137)
[   36.005395]  setup_net (net/core/net_namespace.c:446)
[   36.005452]  copy_net_ns (net/core/net_namespace.c:579)
[   36.005515]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.005580]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.005651]  ksys_unshare (kernel/fork.c:3243)
[   36.005720]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.005807]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.005866]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.005929] RIP: 0033:0x7fd338622bcb
[   36.005985] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.006122] RSP: 002b:00007fff71e15938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   36.006200] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd338622bcb
[   36.006301] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.006383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.006463] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff71e17b60
[   36.006826] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff71e198c0
| [   36.007077] ------------[ cut here ]------------
| [   36.007139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/338
| [   36.007226] Modules linked in: unix_diag
| [   36.007377] Tainted: [W]=WARN
[   36.007431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.007509] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.007574] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.007719] RSP: 0018:ff6ea731003bfca0 EFLAGS: 00010286
[   36.007784] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   36.007859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0613cd00
[   36.007940] RBP: 0000000000000000 R08: ff18c0ab032d9c10 R09: ff18c0ab04603030
[   36.008018] R10: ff18c0ab0302e120 R11: fefefefefefefeff R12: 0000000000000000
[   36.008096] R13: 0000000000000010 R14: ff18c0ab0302e000 R15: ff18c0ab0613cd00
[   36.008190] FS:  00007fd338360840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   36.008270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.008339] CR2: 00007fd338567430 CR3: 0000000007435003 CR4: 0000000000771ef0
[   36.008416] PKRU: 55555554
[   36.008465] Call Trace:
[   36.008521]  <TASK>
[   36.008569]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   36.008626]  register_netdevice (net/core/dev.c:11488)
[   36.008690]  register_netdev (net/core/dev.c:11552)
[   36.008746]  sit_init_net (net/ipv6/sit.c:1860)
[   36.008808]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   36.008864]  ops_init (net/core/net_namespace.c:137)
[   36.008921]  setup_net (net/core/net_namespace.c:446)
[   36.008991]  copy_net_ns (net/core/net_namespace.c:579)
[   36.009048]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.009111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.009175]  ksys_unshare (kernel/fork.c:3243)
[   36.009233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.009289]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.009345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.009408] RIP: 0033:0x7fd338622bcb
[   36.009463] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.009603] RSP: 002b:00007fff71e15938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   36.009685] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd338622bcb
[   36.009762] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.009839] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.009916] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff71e17b60
[   36.009991] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff71e198c0
| [   36.010244] ------------[ cut here ]------------
| [   36.010307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/338
| [   36.010393] Modules linked in: unix_diag
| [   36.010557] Tainted: [W]=WARN
[   36.010610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.010685] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.010759] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.010890] RSP: 0018:ff6ea731003bfca8 EFLAGS: 00010286
[   36.010958] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   36.011036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0613c600
[   36.011117] RBP: 0000000000000000 R08: ff18c0ab032380d0 R09: ff18c0ab04607030
[   36.011198] R10: ff18c0ab04603120 R11: fefefefefefefeff R12: 0000000000000000
[   36.011277] R13: 0000000000000010 R14: ff18c0ab04603000 R15: ff18c0ab0613c600
[   36.011359] FS:  00007fd338360840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   36.011440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.011519] CR2: 00007fd338567430 CR3: 0000000007435003 CR4: 0000000000771ef0
[   36.011596] PKRU: 55555554
[   36.011644] Call Trace:
[   36.011699]  <TASK>
[   36.011748]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   36.011804]  register_netdevice (net/core/dev.c:11488)
[   36.011861]  register_netdev (net/core/dev.c:11552)
[   36.011917]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   36.011973]  ops_init (net/core/net_namespace.c:137)
[   36.012029]  setup_net (net/core/net_namespace.c:446)
[   36.012086]  copy_net_ns (net/core/net_namespace.c:579)
[   36.012143]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.012206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.012269]  ksys_unshare (kernel/fork.c:3243)
[   36.012325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.012382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.012439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.012511] RIP: 0033:0x7fd338622bcb
[   36.012567] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.012704] RSP: 002b:00007fff71e15938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   36.012780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd338622bcb
[   36.012856] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.012933] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.013008] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff71e17b60
[   36.013085] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff71e198c0
| [   36.016738] ------------[ cut here ]------------
| [   36.016789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/339
| [   36.016845] Modules linked in: unix_diag
| [   36.016933] Tainted: [W]=WARN
[   36.016957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.016991] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.017015] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.017110] RSP: 0018:ff6ea731005e3720 EFLAGS: 00010286
[   36.017147] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   36.017187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799f300
[   36.017231] RBP: 0000000000000000 R08: ff18c0ab03296d50 R09: ff18c0ab01c3202c
[   36.017273] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   36.017313] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab0799f300
[   36.017359] FS:  00007f1ab9273840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   36.017402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.017432] CR2: 0000000010c95988 CR3: 000000000460e004 CR4: 0000000000771ef0
[   36.017485] PKRU: 55555554
[   36.017498] Call Trace:
[   36.017515]  <TASK>
[   36.017528]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   36.017550]  __dev_notify_flags (net/core/dev.c:9787)
[   36.017574]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   36.017597]  netif_change_flags (net/core/dev.c:9820)
[   36.017620]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.017641]  ? __nla_validate_parse (lib/nlattr.c:620)
[   36.017674]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   36.017697]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   36.017717]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   36.017748]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.017773]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   36.017797]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   36.017826]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.017847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.017871]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.017894]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.017917]  ___sys_sendmsg (net/socket.c:2752)
[   36.017941]  __sys_sendmsg (net/socket.c:2784)
[   36.017967]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.017992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.018017] RIP: 0033:0x7f1ab94ad08e
[   36.018039] 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
[   36.018127] RSP: 002b:00007fffea1e57d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.018168] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1ab94ad08e
[   36.018208] RDX: 0000000000000000 RSI: 00007fffea1e5880 RDI: 0000000000000005
[   36.018249] RBP: 00007fffea1e57e0 R08: 0000000000000000 R09: 0000000000000000
[   36.018288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d310
[   36.018327] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffea1e5f50
| [   36.019739] ------------[ cut here ]------------
| [   36.019778] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   36.019839] Modules linked in: unix_diag
| [   36.019921] Tainted: [W]=WARN
[   36.019943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.019979] Workqueue: netns cleanup_net
[   36.020006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.020032] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.020128] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   36.020154] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   36.020195] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   36.020237] RBP: 0000000000000000 R08: ff18c0ab03296750 R09: ff18c0ab0338902c
[   36.020275] R10: ff18c0ab01883120 R11: fefefefefefefeff R12: 0000000000000000
[   36.020316] R13: 0000000000000010 R14: ff18c0ab01883000 R15: ff18c0ab01907400
[   36.020359] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   36.020399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.020440] CR2: 00007fa825f19ac8 CR3: 0000000033447003 CR4: 0000000000771ef0
[   36.020491] PKRU: 55555554
[   36.020506] Call Trace:
[   36.020521]  <TASK>
[   36.020537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   36.020555]  netif_close_many (net/core/dev.c:1804)
[   36.020575]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   36.020604]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   36.020627]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   36.020654]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   36.020683]  cleanup_net (net/core/net_namespace.c:702)
[   36.020707]  process_one_work (kernel/workqueue.c:3314)
[   36.020731]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.020752]  ? rescuer_thread (kernel/workqueue.c:3672)
[   36.020773]  kthread (kernel/kthread.c:436)
[   36.020798]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   36.020816]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.020839]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   36.020858]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.020990] ------------[ cut here ]------------
| [   36.021080] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   36.021143] Modules linked in: unix_diag
| [   36.021232] Tainted: [W]=WARN
[   36.021252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.021286] Workqueue: netns cleanup_net
[   36.021309] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.021336] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.021439] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   36.021467] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   36.021519] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   36.021559] RBP: 0000000000000000 R08: ff18c0ab03296750 R09: ff18c0ab0783982c
[   36.021601] R10: ff18c0ab01883120 R11: fefefefefefefeff R12: 0000000000000000
[   36.021640] R13: 0000000000000011 R14: ff18c0ab01883000 R15: ff18c0ab01907400
[   36.021688] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   36.021730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.021767] CR2: 00007fa825f19ac8 CR3: 0000000033447003 CR4: 0000000000771ef0
[   36.021810] PKRU: 55555554
[   36.021823] Call Trace:
[   36.021838]  <TASK>
[   36.021852]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   36.021881]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   36.021907]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   36.021926]  cleanup_net (net/core/net_namespace.c:702)
[   36.021949]  process_one_work (kernel/workqueue.c:3314)
[   36.021970]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.021993]  ? rescuer_thread (kernel/workqueue.c:3672)
[   36.022015]  kthread (kernel/kthread.c:436)
[   36.022038]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   36.022058]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.022079]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   36.022101]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.065847] ------------[ cut here ]------------
| [   41.065906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.065969] Modules linked in: unix_diag
| [   41.066052] Tainted: [W]=WARN
[   41.066073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.066108] Workqueue: netns cleanup_net
[   41.066134] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.066164] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.066264] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   41.066292] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.066329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.066370] RBP: 0000000000000000 R08: ff18c0ab032380d0 R09: ff18c0ab08742030
[   41.066417] R10: ff18c0ab04603120 R11: fefefefefefefeff R12: 0000000000000000
[   41.066460] R13: 0000000000000011 R14: ff18c0ab04603000 R15: ff18c0ab01907400
[   41.066519] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.066563] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.066596] CR2: 0000556b9e78a848 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.066639] PKRU: 55555554
[   41.066654] Call Trace:
[   41.066682]  <TASK>
[   41.066699]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.066730]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.066751]  cleanup_net (net/core/net_namespace.c:702)
[   41.066776]  process_one_work (kernel/workqueue.c:3314)
[   41.066802]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.066824]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.066845]  kthread (kernel/kthread.c:436)
[   41.066868]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.066889]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.066914]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.066936]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.067085] ------------[ cut here ]------------
| [   41.067114] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.067172] Modules linked in: unix_diag
| [   41.067251] Tainted: [W]=WARN
[   41.067271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.067307] Workqueue: netns cleanup_net
[   41.067331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.067362] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.067460] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   41.067494] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.067540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.067580] RBP: 0000000000000000 R08: ff18c0ab032d9c10 R09: ff18c0ab03399830
[   41.067621] R10: ff18c0ab0302e120 R11: fefefefefefefeff R12: 0000000000000000
[   41.067674] R13: 0000000000000011 R14: ff18c0ab0302e000 R15: ff18c0ab01907400
[   41.067717] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.067761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.067794] CR2: 0000556b9e78a848 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.067834] PKRU: 55555554
[   41.067855] Call Trace:
[   41.067867]  <TASK>
[   41.067886]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.067915]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.067938]  cleanup_net (net/core/net_namespace.c:702)
[   41.067960]  process_one_work (kernel/workqueue.c:3314)
[   41.067981]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.068005]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.068027]  kthread (kernel/kthread.c:436)
[   41.068050]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.068071]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.068092]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.068118]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.068237] ------------[ cut here ]------------
| [   41.068264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.068316] Modules linked in: unix_diag
| [   41.068396] Tainted: [W]=WARN
[   41.068422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.068453] Workqueue: netns cleanup_net
[   41.068480] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.068513] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.068608] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   41.068639] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.068683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.068723] RBP: 0000000000000000 R08: ff18c0ab032270d0 R09: ff18c0ab061a7834
[   41.068765] R10: ff18c0ab02ead120 R11: fefefefefefefeff R12: 0000000000000000
[   41.068815] R13: 0000000000000011 R14: ff18c0ab02ead000 R15: ff18c0ab01907400
[   41.068858] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.068899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.068933] CR2: 0000556b9e78a848 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.068978] PKRU: 55555554
[   41.068995] Call Trace:
[   41.069007]  <TASK>
[   41.069022]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.069054]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.069083]  cleanup_net (net/core/net_namespace.c:702)
[   41.069106]  process_one_work (kernel/workqueue.c:3314)
[   41.069127]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.069148]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.069175]  kthread (kernel/kthread.c:436)
[   41.069196]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.069219]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.069240]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.069260]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.069368] ------------[ cut here ]------------
| [   41.069430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.069508] Modules linked in: unix_diag
| [   41.069588] Tainted: [W]=WARN
[   41.069609] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.069642] Workqueue: netns cleanup_net
[   41.069669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.069697] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.069799] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   41.069827] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.069872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.069911] RBP: 0000000000000000 R08: ff18c0ab032964d0 R09: ff18c0ab060df030
[   41.069953] R10: ff18c0ab0302b120 R11: fefefefefefefeff R12: 0000000000000000
[   41.069989] R13: 0000000000000011 R14: ff18c0ab0302b000 R15: ff18c0ab01907400
[   41.070040] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.070080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.070114] CR2: 0000556b9e78a848 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.070160] PKRU: 55555554
[   41.070173] Call Trace:
[   41.070188]  <TASK>
[   41.070203]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.070231]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.070253]  cleanup_net (net/core/net_namespace.c:702)
[   41.070275]  process_one_work (kernel/workqueue.c:3314)
[   41.070300]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.070321]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.070340]  kthread (kernel/kthread.c:436)
[   41.070362]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.070383]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.070402]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.070423]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.070580] ------------[ cut here ]------------
| [   41.070614] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.070679] Modules linked in: unix_diag
| [   41.070761] Tainted: [W]=WARN
[   41.070781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.070814] Workqueue: netns cleanup_net
[   41.070837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.070868] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.070955] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   41.070984] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.071019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.071059] RBP: 0000000000000000 R08: ff18c0ab044c2090 R09: ff18c0ab04657030
[   41.071097] R10: ff18c0ab01887120 R11: fefefefefefefeff R12: 0000000000000000
[   41.071135] R13: 0000000000000011 R14: ff18c0ab01887000 R15: ff18c0ab01907400
[   41.071180] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.071222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.071261] CR2: 0000556b9e78a848 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.071300] PKRU: 55555554
[   41.071314] Call Trace:
[   41.071327]  <TASK>
[   41.071339]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.071367]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.071388]  cleanup_net (net/core/net_namespace.c:702)
[   41.071410]  process_one_work (kernel/workqueue.c:3314)
[   41.071431]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.071453]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.071473]  kthread (kernel/kthread.c:436)
[   41.071497]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.071523]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.071545]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.071566]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.078529] ------------[ cut here ]------------
| [   41.078570] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   41.078623] Modules linked in: unix_diag
| [   41.078714] Tainted: [W]=WARN
[   41.078738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.078776] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.078806] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.078902] RSP: 0018:ff6ea7310063bcb8 EFLAGS: 00010286
[   41.078931] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.078973] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0782ab00
[   41.079017] RBP: 0000000000000000 R08: ff18c0ab01229ad0 R09: ff18c0ab0188502c
[   41.079057] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   41.079100] R13: 0000000000000010 R14: ff18c0ab04602000 R15: ff18c0ab0782ab00
[   41.079143] FS:  00007f52568e4840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   41.079184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.079220] CR2: 00007f5256af0690 CR3: 00000000032c2006 CR4: 0000000000771ef0
[   41.079259] PKRU: 55555554
[   41.079274] Call Trace:
[   41.079290]  <TASK>
[   41.079308]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.079330]  register_netdevice (net/core/dev.c:11488)
[   41.079351]  register_netdev (net/core/dev.c:11552)
[   41.079373]  loopback_net_init (drivers/net/loopback.c:218)
[   41.079396]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   41.079428]  ops_init (net/core/net_namespace.c:137)
[   41.079451]  setup_net (net/core/net_namespace.c:446)
[   41.079475]  copy_net_ns (net/core/net_namespace.c:579)
[   41.079510]  create_new_namespaces (kernel/nsproxy.c:132)
[   41.079542]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   41.079569]  ksys_unshare (kernel/fork.c:3243)
[   41.079599]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   41.079623]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.079651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.079687] RIP: 0033:0x7f5256ba6bcb
[   41.079715] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   41.079799] RSP: 002b:00007ffee2475cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   41.079837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5256ba6bcb
[   41.079880] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   41.079917] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   41.079961] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee2477f20
[   41.079999] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee24788c0
| [   41.080130] ------------[ cut here ]------------
| [   41.080157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   41.080202] Modules linked in: unix_diag
| [   41.080277] Tainted: [W]=WARN
[   41.080298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.080330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.080359] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.080458] RSP: 0018:ff6ea7310063bc10 EFLAGS: 00010286
[   41.080494] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.080538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03255300
[   41.080581] RBP: 0000000000000000 R08: ff18c0ab01e94fd0 R09: ff18c0ab093e6030
[   41.080620] R10: ff18c0ab01885120 R11: fefefefefefefeff R12: 0000000000000000
[   41.080668] R13: 0000000000000010 R14: ff18c0ab01885000 R15: ff18c0ab03255300
[   41.080709] FS:  00007f52568e4840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   41.080754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.080786] CR2: 00007f5256af0690 CR3: 00000000032c2006 CR4: 0000000000771ef0
[   41.080825] PKRU: 55555554
[   41.080839] Call Trace:
[   41.080852]  <TASK>
[   41.080866]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.080888]  register_netdevice (net/core/dev.c:11488)
[   41.080910]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   41.080932]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   41.080954]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   41.080976]  ops_init (net/core/net_namespace.c:137)
[   41.080998]  setup_net (net/core/net_namespace.c:446)
[   41.081022]  copy_net_ns (net/core/net_namespace.c:579)
[   41.081043]  create_new_namespaces (kernel/nsproxy.c:132)
[   41.081069]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   41.081097]  ksys_unshare (kernel/fork.c:3243)
[   41.081120]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   41.081139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.081160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.081188] RIP: 0033:0x7f5256ba6bcb
[   41.081208] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   41.081295] RSP: 002b:00007ffee2475cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   41.081331] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5256ba6bcb
[   41.081374] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   41.081412] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   41.081457] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee2477f20
[   41.081504] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee24788c0
| [   41.081628] ------------[ cut here ]------------
| [   41.081663] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   41.081709] Modules linked in: unix_diag
| [   41.081782] Tainted: [W]=WARN
[   41.081803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.081840] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.081868] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.081953] RSP: 0018:ff6ea7310063bbf0 EFLAGS: 00010286
[   41.081985] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.082033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799cc00
[   41.082070] RBP: 0000000000000000 R08: ff18c0ab03252690 R09: ff18c0ab013d6030
[   41.082110] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   41.082150] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab0799cc00
[   41.082197] FS:  00007f52568e4840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   41.082237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.082270] CR2: 00007f5256af0690 CR3: 00000000032c2006 CR4: 0000000000771ef0
[   41.082309] PKRU: 55555554
[   41.082323] Call Trace:
[   41.082339]  <TASK>
[   41.082354]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.082376]  register_netdevice (net/core/dev.c:11488)
[   41.082399]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   41.082420]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   41.082443]  vti_init_net (net/ipv4/ip_vti.c:517)
[   41.082464]  ops_init (net/core/net_namespace.c:137)
[   41.082485]  setup_net (net/core/net_namespace.c:446)
[   41.082512]  copy_net_ns (net/core/net_namespace.c:579)
[   41.082535]  create_new_namespaces (kernel/nsproxy.c:132)
[   41.082564]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   41.082591]  ksys_unshare (kernel/fork.c:3243)
[   41.082618]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   41.082638]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.082670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.082696] RIP: 0033:0x7f5256ba6bcb
[   41.082716] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   41.082801] RSP: 002b:00007ffee2475cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   41.082850] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5256ba6bcb
[   41.082889] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   41.082927] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   41.082966] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee2477f20
[   41.083005] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee24788c0
| [   41.083092] ------------[ cut here ]------------
| [   41.083128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.083183] Modules linked in: unix_diag
| [   41.083261] Tainted: [W]=WARN
[   41.083282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.083316] Workqueue: netns cleanup_net
[   41.083339] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.083363] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.083450] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   41.083479] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   41.083527] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.083567] RBP: 0000000000000000 R08: ff18c0ab03296d50 R09: ff18c0ab0188702c
[   41.083608] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   41.083647] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab01907400
[   41.083697] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.083743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.083775] CR2: 00007f22e3d11ac8 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.083816] PKRU: 55555554
[   41.083830] Call Trace:
[   41.083843]  <TASK>
[   41.083855]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.083876]  netif_close_many (net/core/dev.c:1804)
[   41.083898]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.083924]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.083951]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.083972]  cleanup_net (net/core/net_namespace.c:702)
[   41.083994]  process_one_work (kernel/workqueue.c:3314)
[   41.084015]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.084040]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.084061]  kthread (kernel/kthread.c:436)
[   41.084081]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.084105]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.084128]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.084149]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.084285] ------------[ cut here ]------------
| [   41.084311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   41.084365] Modules linked in: unix_diag
| [   41.084436] Tainted: [W]=WARN
[   41.084456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.084493] Workqueue: netns cleanup_net
[   41.084514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.084540] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.084635] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   41.084668] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.084704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   41.084750] RBP: 0000000000000000 R08: ff18c0ab03296d50 R09: ff18c0ab0604582c
[   41.084790] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   41.084829] R13: 0000000000000011 R14: ff18c0ab03388000 R15: ff18c0ab01907400
[   41.084873] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   41.084914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.084945] CR2: 00007f22e3d11ac8 CR3: 0000000033447004 CR4: 0000000000771ef0
[   41.084985] PKRU: 55555554
[   41.085000] Call Trace:
[   41.085012]  <TASK>
[   41.085027]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.085055]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.085081]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.085102]  cleanup_net (net/core/net_namespace.c:702)
[   41.085123]  process_one_work (kernel/workqueue.c:3314)
[   41.085146]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.085166]  ? rescuer_thread (kernel/workqueue.c:3672)
[   41.085192]  kthread (kernel/kthread.c:436)
[   41.085214]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.085236]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.085256]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   41.085277]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.085456] ------------[ cut here ]------------
| [   41.085505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   41.085558] Modules linked in: unix_diag
| [   41.085638] Tainted: [W]=WARN
[   41.085665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.085698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.085725] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.085810] RSP: 0018:ff6ea7310063bca8 EFLAGS: 00010286
[   41.085837] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.085876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab018fde00
[   41.085916] RBP: 0000000000000000 R08: ff18c0ab03287c10 R09: ff18c0ab04603034
[   41.085957] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   41.086000] R13: 0000000000000010 R14: ff18c0ab03396000 R15: ff18c0ab018fde00
[   41.086043] FS:  00007f52568e4840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   41.086085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.086117] CR2: 00007f5256af0690 CR3: 00000000032c2006 CR4: 0000000000771ef0
[   41.086156] PKRU: 55555554
[   41.086170] Call Trace:
[   41.086182]  <TASK>
[   41.086197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.086216]  register_netdevice (net/core/dev.c:11488)
[   41.086237]  register_netdev (net/core/dev.c:11552)
[   41.086256]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   41.086282]  ops_init (net/core/net_namespace.c:137)
[   41.086303]  setup_net (net/core/net_namespace.c:446)
[   41.086324]  copy_net_ns (net/core/net_namespace.c:579)
[   41.086345]  create_new_namespaces (kernel/nsproxy.c:132)
[   41.086372]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   41.086401]  ksys_unshare (kernel/fork.c:3243)
[   41.086422]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   41.086442]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.086465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.086497] RIP: 0033:0x7f5256ba6bcb
[   41.086519] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   41.086610] RSP: 002b:00007ffee2475cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   41.086650] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5256ba6bcb
[   41.086689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   41.086728] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   41.086768] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee2477f20
[   41.086806] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee24788c0
| [   41.086930] ------------[ cut here ]------------
| [   41.086957] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   41.087001] Modules linked in: unix_diag
| [   41.087073] Tainted: [W]=WARN
[   41.087096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.087129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.087156] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.087242] RSP: 0018:ff6ea7310063bca0 EFLAGS: 00010286
[   41.087268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.087308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799fc00
[   41.087347] RBP: 0000000000000000 R08: ff18c0ab03227090 R09: ff18c0ab06077030
[   41.087387] R10: ff18c0ab04603120 R11: fefefefefefefeff R12: 0000000000000000
[   41.087425] R13: 0000000000000010 R14: ff18c0ab04603000 R15: ff18c0ab0799fc00
[   41.087471] FS:  00007f52568e4840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   41.087516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.087548] CR2: 00007f5256af0690 CR3: 00000000032c2006 CR4: 0000000000771ef0
[   41.087591] PKRU: 55555554
[   41.087608] Call Trace:
[   41.087621]  <TASK>
[   41.087633]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.087653]  register_netdevice (net/core/dev.c:11488)
[   41.087678]  register_netdev (net/core/dev.c:11552)
[   41.087698]  sit_init_net (net/ipv6/sit.c:1860)
[   41.087721]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   41.087742]  ops_init (net/core/net_namespace.c:137)
[   41.087763]  setup_net (net/core/net_namespace.c:446)
[   41.087788]  copy_net_ns (net/core/net_namespace.c:579)
[   41.087813]  create_new_namespaces (kernel/nsproxy.c:132)
[   41.087842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   41.087870]  ksys_unshare (kernel/fork.c:3243)
[   41.087892]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   41.087914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.087936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.087960] RIP: 0033:0x7f5256ba6bcb
[   41.087980] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   41.088069] RSP: 002b:00007ffee2475cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   41.088109] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5256ba6bcb
[   41.088148] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   41.088187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   41.088227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee2477f20
[   41.088265] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee24788c0
| [   41.088384] ------------[ cut here ]------------
| [   41.088411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/355
| [   41.088459] Modules linked in: unix_diag
| [   41.088536] Tainted: [W]=WARN
[   41.088557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.088589] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.088615] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.088710] RSP: 0018:ff6ea7310063bca8 EFLAGS: 00010286
[   41.088738] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   41.088783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0441ee00
[   41.088823] RBP: 0000000000000000 R08: ff18c0ab01973b50 R09: ff18c0ab01883030
[   41.088867] R10: ff18c0ab06077120 R11: fefefefefefefeff R12: 0000000000000000
[   41.088906] R13: 0000000000000010 R14: ff18c0ab06077000 R15: ff18c0ab0441ee00
[   41.088951] FS:  00007f52568e4840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   41.088992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.089024] CR2: 00007f5256af0690 CR3: 00000000032c2006 CR4: 0000000000771ef0
[   41.089065] PKRU: 55555554
[   41.089080] Call Trace:
[   41.089101]  <TASK>
[   41.089127]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.089149]  register_netdevice (net/core/dev.c:11488)
[   41.089169]  register_netdev (net/core/dev.c:11552)
[   41.089189]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   41.089210]  ops_init (net/core/net_namespace.c:137)
[   41.089230]  setup_net (net/core/net_namespace.c:446)
[   41.089251]  copy_net_ns (net/core/net_namespace.c:579)
[   41.089272]  create_new_namespaces (kernel/nsproxy.c:132)
[   41.089300]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   41.089327]  ksys_unshare (kernel/fork.c:3243)
[   41.089347]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   41.089372]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.089392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.089418] RIP: 0033:0x7f5256ba6bcb
[   41.089436] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   41.089526] RSP: 002b:00007ffee2475cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   41.089567] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5256ba6bcb
[   41.089608] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   41.089649] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   41.089697] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee2477f20
[   41.089740] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee24788c0
| [   41.093153] ------------[ cut here ]------------
| [   41.093197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/356
| [   41.093244] Modules linked in: unix_diag
| [   41.093324] Tainted: [W]=WARN
[   41.093344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.093377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.093405] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.093496] RSP: 0018:ff6ea73100643720 EFLAGS: 00010286
[   41.093523] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   41.093563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03341500
[   41.093609] RBP: 0000000000000000 R08: ff18c0ab01229ad0 R09: ff18c0ab01c3202c
[   41.093653] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   41.093696] R13: 0000000000000010 R14: ff18c0ab04602000 R15: ff18c0ab03341500
[   41.093739] FS:  00007f897f68b840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   41.093785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.093818] CR2: 000000003b993988 CR3: 00000000019ed004 CR4: 0000000000771ef0
[   41.093863] PKRU: 55555554
[   41.093878] Call Trace:
[   41.093892]  <TASK>
[   41.093906]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   41.093930]  __dev_notify_flags (net/core/dev.c:9787)
[   41.093952]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   41.093972]  netif_change_flags (net/core/dev.c:9820)
[   41.093993]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   41.094015]  ? __nla_validate_parse (lib/nlattr.c:620)
[   41.094045]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   41.094067]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   41.094094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   41.094121]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   41.094147]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   41.094168]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   41.094195]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   41.094221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.094243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   41.094269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   41.094293]  ___sys_sendmsg (net/socket.c:2752)
[   41.094315]  __sys_sendmsg (net/socket.c:2784)
[   41.094338]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   41.094359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.094385] RIP: 0033:0x7f897f8c508e
[   41.094406] 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
[   41.094498] RSP: 002b:00007fffa3173690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.094537] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f897f8c508e
[   41.094574] RDX: 0000000000000000 RSI: 00007fffa3173740 RDI: 0000000000000005
[   41.094610] RBP: 00007fffa31736a0 R08: 0000000000000000 R09: 0000000000000000
[   41.094661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d315
[   41.094704] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa3173e10
| [   44.133818] ------------[ cut here ]------------
| [   44.133878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.133941] Modules linked in: unix_diag
| [   44.134024] Tainted: [W]=WARN
[   44.134045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.134081] Workqueue: netns cleanup_net
[   44.134107] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.134135] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.134231] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   44.134262] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.134308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.134347] RBP: 0000000000000000 R08: ff18c0ab01973b50 R09: ff18c0ab01d91030
[   44.134388] R10: ff18c0ab06077120 R11: fefefefefefefeff R12: 0000000000000000
[   44.134429] R13: 0000000000000011 R14: ff18c0ab06077000 R15: ff18c0ab01907400
[   44.134475] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.134527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.134563] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.134604] PKRU: 55555554
[   44.134620] Call Trace:
[   44.134639]  <TASK>
[   44.134668]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.134700]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   44.134724]  cleanup_net (net/core/net_namespace.c:702)
[   44.134747]  process_one_work (kernel/workqueue.c:3314)
[   44.134775]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.134798]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.134817]  kthread (kernel/kthread.c:436)
[   44.134840]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.134863]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.134888]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.134910]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.135129] ------------[ cut here ]------------
| [   44.135162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.135220] Modules linked in: unix_diag
| [   44.135301] Tainted: [W]=WARN
[   44.135320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.135354] Workqueue: netns cleanup_net
[   44.135378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.135408] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.135503] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   44.135533] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.135575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.135614] RBP: 0000000000000000 R08: ff18c0ab03227090 R09: ff18c0ab08760030
[   44.135665] R10: ff18c0ab04603120 R11: fefefefefefefeff R12: 0000000000000000
[   44.135706] R13: 0000000000000011 R14: ff18c0ab04603000 R15: ff18c0ab01907400
[   44.135749] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.135793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.135828] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.135870] PKRU: 55555554
[   44.135887] Call Trace:
[   44.135903]  <TASK>
[   44.135917]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.135953]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   44.135976]  cleanup_net (net/core/net_namespace.c:702)
[   44.136000]  process_one_work (kernel/workqueue.c:3314)
[   44.136023]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.136045]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.136066]  kthread (kernel/kthread.c:436)
[   44.136086]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.136109]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.136131]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.136153]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.136342] ------------[ cut here ]------------
| [   44.136380] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.136440] Modules linked in: unix_diag
| [   44.136530] Tainted: [W]=WARN
[   44.136552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.136586] Workqueue: netns cleanup_net
[   44.136608] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.136636] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.136735] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   44.136764] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.136805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.136847] RBP: 0000000000000000 R08: ff18c0ab03287c10 R09: ff18c0ab0925e834
[   44.136890] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   44.136930] R13: 0000000000000011 R14: ff18c0ab03396000 R15: ff18c0ab01907400
[   44.136974] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.137015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.137048] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.137086] PKRU: 55555554
[   44.137102] Call Trace:
[   44.137116]  <TASK>
[   44.137134]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.137164]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   44.137187]  cleanup_net (net/core/net_namespace.c:702)
[   44.137209]  process_one_work (kernel/workqueue.c:3314)
[   44.137231]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.137255]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.137276]  kthread (kernel/kthread.c:436)
[   44.137298]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.137320]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.137343]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.137365]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.137547] ------------[ cut here ]------------
| [   44.137581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.137643] Modules linked in: unix_diag
| [   44.137735] Tainted: [W]=WARN
[   44.137757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.137792] Workqueue: netns cleanup_net
[   44.137815] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.137850] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.137948] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   44.137977] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.138018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.138060] RBP: 0000000000000000 R08: ff18c0ab03252690 R09: ff18c0ab0923e830
[   44.138100] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   44.138140] R13: 0000000000000011 R14: ff18c0ab04601000 R15: ff18c0ab01907400
[   44.138184] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.138226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.138263] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.138303] PKRU: 55555554
[   44.138319] Call Trace:
[   44.138332]  <TASK>
[   44.138352]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.138383]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   44.138410]  cleanup_net (net/core/net_namespace.c:702)
[   44.138432]  process_one_work (kernel/workqueue.c:3314)
[   44.138454]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.138475]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.138500]  kthread (kernel/kthread.c:436)
[   44.138522]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.138545]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.138568]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.138590]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.138775] ------------[ cut here ]------------
| [   44.138809] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.138866] Modules linked in: unix_diag
| [   44.138942] Tainted: [W]=WARN
[   44.138964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.139001] Workqueue: netns cleanup_net
[   44.139024] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.139053] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.139151] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   44.139178] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.139218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.139258] RBP: 0000000000000000 R08: ff18c0ab01e94fd0 R09: ff18c0ab044e3030
[   44.139300] R10: ff18c0ab01885120 R11: fefefefefefefeff R12: 0000000000000000
[   44.139340] R13: 0000000000000011 R14: ff18c0ab01885000 R15: ff18c0ab01907400
[   44.139387] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.139428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.139463] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.139510] PKRU: 55555554
[   44.139525] Call Trace:
[   44.139545]  <TASK>
[   44.139562]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.139592]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   44.139614]  cleanup_net (net/core/net_namespace.c:702)
[   44.139638]  process_one_work (kernel/workqueue.c:3314)
[   44.139664]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.139691]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.139714]  kthread (kernel/kthread.c:436)
[   44.139736]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.139757]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.139781]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.139808]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.142829] ------------[ cut here ]------------
| [   44.142869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/372
| [   44.142919] Modules linked in: unix_diag
| [   44.142997] Tainted: [W]=WARN
[   44.143017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.143049] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.143079] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.143170] RSP: 0018:ff6ea7310065bcb8 EFLAGS: 00010286
[   44.143201] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.143239] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0184d600
[   44.143277] RBP: 0000000000000000 R08: ff18c0ab0459c7d0 R09: ff18c0ab0338802c
[   44.143314] R10: ff18c0ab06074120 R11: fefefefefefefeff R12: 0000000000000000
[   44.143359] R13: 0000000000000010 R14: ff18c0ab06074000 R15: ff18c0ab0184d600
[   44.143402] FS:  00007faa608af840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   44.143444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.143477] CR2: 00007faa60ab6430 CR3: 00000000032eb005 CR4: 0000000000771ef0
[   44.143525] PKRU: 55555554
[   44.143539] Call Trace:
[   44.143554]  <TASK>
[   44.143570]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.143592]  register_netdevice (net/core/dev.c:11488)
[   44.143614]  register_netdev (net/core/dev.c:11552)
[   44.143635]  loopback_net_init (drivers/net/loopback.c:218)
[   44.143662]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   44.143692]  ops_init (net/core/net_namespace.c:137)
[   44.143715]  setup_net (net/core/net_namespace.c:446)
[   44.143734]  copy_net_ns (net/core/net_namespace.c:579)
[   44.143755]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.143783]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.143811]  ksys_unshare (kernel/fork.c:3243)
[   44.143834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.143855]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.143877]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[   44.143906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.143936] RIP: 0033:0x7faa60b71bcb
[   44.143958] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.144052] RSP: 002b:00007ffd8362c178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.144093] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faa60b71bcb
[   44.144138] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.144176] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.144216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8362e3a0
[   44.144252] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8362e8c0
| [   44.144379] ------------[ cut here ]------------
| [   44.144407] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/372
| [   44.144458] Modules linked in: unix_diag
| [   44.144533] Tainted: [W]=WARN
[   44.144555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.144590] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.144618] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.144709] RSP: 0018:ff6ea7310065bc10 EFLAGS: 00010286
[   44.144735] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.144770] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0471b400
[   44.144806] RBP: 0000000000000000 R08: ff18c0ab033de110 R09: ff18c0ab0817f830
[   44.144841] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   44.144882] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab0471b400
[   44.144925] FS:  00007faa608af840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   44.144967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.144998] CR2: 00007faa60ab6430 CR3: 00000000032eb005 CR4: 0000000000771ef0
[   44.145035] PKRU: 55555554
[   44.145049] Call Trace:
[   44.145064]  <TASK>
[   44.145079]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.145099]  register_netdevice (net/core/dev.c:11488)
[   44.145119]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.145141]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.145162]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   44.145185]  ops_init (net/core/net_namespace.c:137)
[   44.145212]  setup_net (net/core/net_namespace.c:446)
[   44.145236]  copy_net_ns (net/core/net_namespace.c:579)
[   44.145257]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.145283]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.145310]  ksys_unshare (kernel/fork.c:3243)
[   44.145330]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.145355]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.145375]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[   44.145402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.145429] RIP: 0033:0x7faa60b71bcb
[   44.145447] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.145535] RSP: 002b:00007ffd8362c178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.145579] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faa60b71bcb
[   44.145627] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.145666] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.145704] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8362e3a0
[   44.145742] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8362e8c0
| [   44.145854] ------------[ cut here ]------------
| [   44.145880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/372
| [   44.145930] Modules linked in: unix_diag
| [   44.146002] Tainted: [W]=WARN
[   44.146022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.146055] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.146081] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.146168] RSP: 0018:ff6ea7310065bbf0 EFLAGS: 00010286
[   44.146194] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.146232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0319de00
[   44.146271] RBP: 0000000000000000 R08: ff18c0ab03227e50 R09: ff18c0ab06044030
[   44.146314] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[   44.146353] R13: 0000000000000010 R14: ff18c0ab03393000 R15: ff18c0ab0319de00
[   44.146395] FS:  00007faa608af840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   44.146435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.146469] CR2: 00007faa60ab6430 CR3: 00000000032eb005 CR4: 0000000000771ef0
[   44.146513] PKRU: 55555554
[   44.146528] Call Trace:
[   44.146541]  <TASK>
[   44.146554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.146576]  register_netdevice (net/core/dev.c:11488)
[   44.146596]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.146616]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.146637]  vti_init_net (net/ipv4/ip_vti.c:517)
[   44.146660]  ops_init (net/core/net_namespace.c:137)
[   44.146682]  setup_net (net/core/net_namespace.c:446)
[   44.146703]  copy_net_ns (net/core/net_namespace.c:579)
[   44.146724]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.146751]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.146783]  ksys_unshare (kernel/fork.c:3243)
[   44.146805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.146826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.146847]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[   44.146873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.146901] RIP: 0033:0x7faa60b71bcb
[   44.146923] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.147009] RSP: 002b:00007ffd8362c178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.147050] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faa60b71bcb
[   44.147090] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.147127] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.147167] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8362e3a0
[   44.147206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8362e8c0
| [   44.147326] ------------[ cut here ]------------
| [   44.147352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/372
| [   44.147399] Modules linked in: unix_diag
| [   44.147472] Tainted: [W]=WARN
[   44.147494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.147528] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.147555] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.147643] RSP: 0018:ff6ea7310065bca8 EFLAGS: 00010286
[   44.147668] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.147711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab045a1500
[   44.147753] RBP: 0000000000000000 R08: ff18c0ab03227810 R09: ff18c0ab03394034
[   44.147793] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   44.147829] R13: 0000000000000010 R14: ff18c0ab01180000 R15: ff18c0ab045a1500
[   44.147872] FS:  00007faa608af840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   44.147914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.147946] CR2: 00007faa60ab6430 CR3: 00000000032eb005 CR4: 0000000000771ef0
[   44.147985] PKRU: 55555554
[   44.147999] Call Trace:
[   44.148011]  <TASK>
[   44.148023]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.148045]  register_netdevice (net/core/dev.c:11488)
[   44.148065]  register_netdev (net/core/dev.c:11552)
[   44.148086]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   44.148110]  ops_init (net/core/net_namespace.c:137)
[   44.148132]  setup_net (net/core/net_namespace.c:446)
[   44.148160]  copy_net_ns (net/core/net_namespace.c:579)
[   44.148182]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.148209]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.148242]  ksys_unshare (kernel/fork.c:3243)
[   44.148261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.148281]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.148300]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[   44.148329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.148355] RIP: 0033:0x7faa60b71bcb
[   44.148377] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.148470] RSP: 002b:00007ffd8362c178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.148513] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faa60b71bcb
[   44.148553] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.148594] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.148637] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8362e3a0
[   44.148678] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8362e8c0
| [   44.148803] ------------[ cut here ]------------
| [   44.148830] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/372
| [   44.148891] Modules linked in: unix_diag
| [   44.148966] Tainted: [W]=WARN
[   44.148988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.149017] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.149043] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.149132] RSP: 0018:ff6ea7310065bca0 EFLAGS: 00010286
[   44.149156] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.149199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01df6d00
[   44.149236] RBP: 0000000000000000 R08: ff18c0ab03223710 R09: ff18c0ab01886030
[   44.149271] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   44.149308] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab01df6d00
[   44.149350] FS:  00007faa608af840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   44.149391] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.149424] CR2: 00007faa60ab6430 CR3: 00000000032eb005 CR4: 0000000000771ef0
[   44.149466] PKRU: 55555554
[   44.149481] Call Trace:
[   44.149493]  <TASK>
[   44.149509]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.149532]  register_netdevice (net/core/dev.c:11488)
[   44.149554]  register_netdev (net/core/dev.c:11552)
[   44.149575]  sit_init_net (net/ipv6/sit.c:1860)
[   44.149597]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   44.149618]  ops_init (net/core/net_namespace.c:137)
[   44.149637]  setup_net (net/core/net_namespace.c:446)
[   44.149660]  copy_net_ns (net/core/net_namespace.c:579)
[   44.149681]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.149708]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.149736]  ksys_unshare (kernel/fork.c:3243)
[   44.149757]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.149783]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.149803]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[   44.149830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.149855] RIP: 0033:0x7faa60b71bcb
[   44.149875] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.149964] RSP: 002b:00007ffd8362c178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.150005] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faa60b71bcb
[   44.150044] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.150080] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.150117] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8362e3a0
[   44.150157] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8362e8c0
| [   44.150275] ------------[ cut here ]------------
| [   44.150300] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/372
| [   44.150348] Modules linked in: unix_diag
| [   44.150425] Tainted: [W]=WARN
[   44.150445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.150478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.150508] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.150603] RSP: 0018:ff6ea7310065bca8 EFLAGS: 00010286
[   44.150631] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.150674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab078b1700
[   44.150712] RBP: 0000000000000000 R08: ff18c0ab032d9e10 R09: ff18c0ab06073030
[   44.150752] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   44.150790] R13: 0000000000000010 R14: ff18c0ab01886000 R15: ff18c0ab078b1700
[   44.150830] FS:  00007faa608af840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   44.150869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.150902] CR2: 00007faa60ab6430 CR3: 00000000032eb005 CR4: 0000000000771ef0
[   44.150940] PKRU: 55555554
[   44.150955] Call Trace:
[   44.150967]  <TASK>
[   44.150980]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.151001]  register_netdevice (net/core/dev.c:11488)
[   44.151022]  register_netdev (net/core/dev.c:11552)
[   44.151043]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   44.151064]  ops_init (net/core/net_namespace.c:137)
[   44.151085]  setup_net (net/core/net_namespace.c:446)
[   44.151106]  copy_net_ns (net/core/net_namespace.c:579)
[   44.151126]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.151152]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.151181]  ksys_unshare (kernel/fork.c:3243)
[   44.151202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.151223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.151246]  ? __sysvec_call_function_single (arch/x86/kernel/smp.c:272)
[   44.151273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.151305] RIP: 0033:0x7faa60b71bcb
[   44.151325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   44.151410] RSP: 002b:00007ffd8362c178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.151450] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faa60b71bcb
[   44.151494] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.151540] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.151581] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd8362e3a0
[   44.151621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd8362e8c0
| [   44.155280] ------------[ cut here ]------------
| [   44.155317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/373
| [   44.155371] Modules linked in: unix_diag
| [   44.155451] Tainted: [W]=WARN
[   44.155476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.155514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.155544] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.155631] RSP: 0018:ff6ea73100623720 EFLAGS: 00010286
[   44.155671] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   44.155710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08403300
[   44.155751] RBP: 0000000000000000 R08: ff18c0ab0459c7d0 R09: ff18c0ab0188302c
[   44.155791] R10: ff18c0ab06074120 R11: fefefefefefefeff R12: 0000000000000000
[   44.155833] R13: 0000000000000010 R14: ff18c0ab06074000 R15: ff18c0ab08403300
[   44.155873] FS:  00007fb2dc2de840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   44.155935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.155970] CR2: 0000000012318988 CR3: 0000000007426002 CR4: 0000000000771ef0
[   44.156008] PKRU: 55555554
[   44.156022] Call Trace:
[   44.156037]  <TASK>
[   44.156052]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.156073]  __dev_notify_flags (net/core/dev.c:9787)
[   44.156102]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   44.156126]  netif_change_flags (net/core/dev.c:9820)
[   44.156148]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.156173]  ? __nla_validate_parse (lib/nlattr.c:620)
[   44.156203]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   44.156225]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   44.156247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   44.156275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.156295]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   44.156317]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   44.156345]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.156366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.156388]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.156409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.156431]  ___sys_sendmsg (net/socket.c:2752)
[   44.156452]  __sys_sendmsg (net/socket.c:2784)
[   44.156471]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.156493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.156524] RIP: 0033:0x7fb2dc51808e
[   44.156546] 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
[   44.156637] RSP: 002b:00007fffb464aee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.156687] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb2dc51808e
[   44.156728] RDX: 0000000000000000 RSI: 00007fffb464af90 RDI: 0000000000000005
[   44.156767] RBP: 00007fffb464aef0 R08: 0000000000000000 R09: 0000000000000000
[   44.156807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d318
[   44.156846] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb464b660
| [   44.157757] ------------[ cut here ]------------
| [   44.157796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.157851] Modules linked in: unix_diag
| [   44.157931] Tainted: [W]=WARN
[   44.157952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.157983] Workqueue: netns cleanup_net
[   44.158006] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.158036] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.158128] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   44.158157] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   44.158198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.158238] RBP: 0000000000000000 R08: ff18c0ab01229ad0 R09: ff18c0ab0188502c
[   44.158279] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   44.158321] R13: 0000000000000010 R14: ff18c0ab04602000 R15: ff18c0ab01907400
[   44.158365] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.158411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.158448] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.158490] PKRU: 55555554
[   44.158511] Call Trace:
[   44.158527]  <TASK>
[   44.158543]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   44.158566]  netif_close_many (net/core/dev.c:1804)
[   44.158589]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   44.158619]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   44.158641]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   44.158680]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   44.158703]  cleanup_net (net/core/net_namespace.c:702)
[   44.158728]  process_one_work (kernel/workqueue.c:3314)
[   44.158750]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.158769]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.158790]  kthread (kernel/kthread.c:436)
[   44.158812]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.158835]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.158857]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.158880]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.159045] ------------[ cut here ]------------
| [   44.159078] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   44.159141] Modules linked in: unix_diag
| [   44.159220] Tainted: [W]=WARN
[   44.159241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.159277] Workqueue: netns cleanup_net
[   44.159301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.159332] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   44.159427] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   44.159458] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   44.159503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907400
[   44.159545] RBP: 0000000000000000 R08: ff18c0ab01229ad0 R09: ff18c0ab0604182c
[   44.159588] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   44.159625] R13: 0000000000000011 R14: ff18c0ab04602000 R15: ff18c0ab01907400
[   44.159681] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   44.159722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.159758] CR2: 00007fcc4abccac8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   44.159800] PKRU: 55555554
[   44.159815] Call Trace:
[   44.159833]  <TASK>
[   44.159846]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.159877]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   44.159911]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   44.159934]  cleanup_net (net/core/net_namespace.c:702)
[   44.159956]  process_one_work (kernel/workqueue.c:3314)
[   44.159980]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.160004]  ? rescuer_thread (kernel/workqueue.c:3672)
[   44.160030]  kthread (kernel/kthread.c:436)
[   44.160060]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.160084]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.160106]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   44.160129]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.198797] ------------[ cut here ]------------
| [   47.198853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.198918] Modules linked in: unix_diag
| [   47.199000] Tainted: [W]=WARN
[   47.199025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.199065] Workqueue: netns cleanup_net
[   47.199092] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.199119] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.199216] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   47.199244] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.199289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.199331] RBP: 0000000000000000 R08: ff18c0ab032d9e10 R09: ff18c0ab06047830
[   47.199377] R10: ff18c0ab01886120 R11: fefefefefefefeff R12: 0000000000000000
[   47.199414] R13: 0000000000000011 R14: ff18c0ab01886000 R15: ff18c0ab01900d00
[   47.199462] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.199512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.199548] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.199590] PKRU: 55555554
[   47.199606] Call Trace:
[   47.199622]  <TASK>
[   47.199638]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.199679]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   47.199700]  cleanup_net (net/core/net_namespace.c:702)
[   47.199726]  process_one_work (kernel/workqueue.c:3314)
[   47.199751]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.199773]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.199797]  kthread (kernel/kthread.c:436)
[   47.199820]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.199846]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.199870]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.199890]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.200032] ------------[ cut here ]------------
| [   47.200059] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.200110] Modules linked in: unix_diag
| [   47.200186] Tainted: [W]=WARN
[   47.200206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.200238] Workqueue: netns cleanup_net
[   47.200258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.200285] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.200377] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   47.200408] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.200449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.200492] RBP: 0000000000000000 R08: ff18c0ab03223710 R09: ff18c0ab0783a030
[   47.200536] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   47.200577] R13: 0000000000000011 R14: ff18c0ab03394000 R15: ff18c0ab01900d00
[   47.200620] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.200670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.200708] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.200748] PKRU: 55555554
[   47.200762] Call Trace:
[   47.200775]  <TASK>
[   47.200792]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.200822]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   47.200849]  cleanup_net (net/core/net_namespace.c:702)
[   47.200871]  process_one_work (kernel/workqueue.c:3314)
[   47.200893]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.200915]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.200937]  kthread (kernel/kthread.c:436)
[   47.200959]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.200982]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.201005]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.201028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.201150] ------------[ cut here ]------------
| [   47.201204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.201264] Modules linked in: unix_diag
| [   47.201343] Tainted: [W]=WARN
[   47.201364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.201399] Workqueue: netns cleanup_net
[   47.201424] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.201454] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.201559] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   47.201587] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.201626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.201679] RBP: 0000000000000000 R08: ff18c0ab03227810 R09: ff18c0ab078d8034
[   47.201718] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   47.201758] R13: 0000000000000011 R14: ff18c0ab01180000 R15: ff18c0ab01900d00
[   47.201803] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.201844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.201876] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.201914] PKRU: 55555554
[   47.201929] Call Trace:
[   47.201942]  <TASK>
[   47.201957]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.201984]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   47.202005]  cleanup_net (net/core/net_namespace.c:702)
[   47.202026]  process_one_work (kernel/workqueue.c:3314)
[   47.202052]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.202073]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.202094]  kthread (kernel/kthread.c:436)
[   47.202116]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.202137]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.202158]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.202179]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.202304] ------------[ cut here ]------------
| [   47.202361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.202421] Modules linked in: unix_diag
| [   47.202493] Tainted: [W]=WARN
[   47.202523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.202562] Workqueue: netns cleanup_net
[   47.202584] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.202610] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.202710] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   47.202738] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.202779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.202820] RBP: 0000000000000000 R08: ff18c0ab03227e50 R09: ff18c0ab04517830
[   47.202858] R10: ff18c0ab03393120 R11: fefefefefefefeff R12: 0000000000000000
[   47.202897] R13: 0000000000000011 R14: ff18c0ab03393000 R15: ff18c0ab01900d00
[   47.202937] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.202977] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.203011] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.203047] PKRU: 55555554
[   47.203062] Call Trace:
[   47.203074]  <TASK>
[   47.203090]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.203120]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   47.203141]  cleanup_net (net/core/net_namespace.c:702)
[   47.203160]  process_one_work (kernel/workqueue.c:3314)
[   47.203182]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.203201]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.203225]  kthread (kernel/kthread.c:436)
[   47.203246]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.203267]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.203287]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.203310]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.203465] ------------[ cut here ]------------
| [   47.203501] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.203568] Modules linked in: unix_diag
| [   47.203642] Tainted: [W]=WARN
[   47.203671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.203706] Workqueue: netns cleanup_net
[   47.203728] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.203756] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.203842] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   47.203871] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.203910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.203949] RBP: 0000000000000000 R08: ff18c0ab033de110 R09: ff18c0ab078f5030
[   47.203985] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   47.204023] R13: 0000000000000011 R14: ff18c0ab03388000 R15: ff18c0ab01900d00
[   47.204065] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.204107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.204141] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.204179] PKRU: 55555554
[   47.204193] Call Trace:
[   47.204207]  <TASK>
[   47.204227]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.204255]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   47.204281]  cleanup_net (net/core/net_namespace.c:702)
[   47.204307]  process_one_work (kernel/workqueue.c:3314)
[   47.204332]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.204352]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.204374]  kthread (kernel/kthread.c:436)
[   47.204395]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.204416]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.204437]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.204457]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.208632] ------------[ cut here ]------------
| [   47.208675] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/389
| [   47.208726] Modules linked in: unix_diag
| [   47.208804] Tainted: [W]=WARN
[   47.208825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.208862] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.208893] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.208989] RSP: 0018:ff6ea731006bbcb8 EFLAGS: 00010286
[   47.209016] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.209055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01904000
[   47.209094] RBP: 0000000000000000 R08: ff18c0ab03223550 R09: ff18c0ab0188402c
[   47.209134] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   47.209173] R13: 0000000000000010 R14: ff18c0ab03028000 R15: ff18c0ab01904000
[   47.209217] FS:  00007fda5dfd3840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   47.209259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.209291] CR2: 00007fda5e1da430 CR3: 00000000032e2005 CR4: 0000000000771ef0
[   47.209331] PKRU: 55555554
[   47.209346] Call Trace:
[   47.209363]  <TASK>
[   47.209378]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.209402]  register_netdevice (net/core/dev.c:11488)
[   47.209423]  register_netdev (net/core/dev.c:11552)
[   47.209445]  loopback_net_init (drivers/net/loopback.c:218)
[   47.209467]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   47.209500]  ops_init (net/core/net_namespace.c:137)
[   47.209526]  setup_net (net/core/net_namespace.c:446)
[   47.209547]  copy_net_ns (net/core/net_namespace.c:579)
[   47.209569]  create_new_namespaces (kernel/nsproxy.c:132)
[   47.209597]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   47.209624]  ksys_unshare (kernel/fork.c:3243)
[   47.209647]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   47.209679]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.209704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.209733] RIP: 0033:0x7fda5e295bcb
[   47.209755] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   47.209846] RSP: 002b:00007ffcb42a8928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   47.209886] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fda5e295bcb
[   47.209926] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   47.209967] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   47.210011] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb42aab50
[   47.210050] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb42ab8c0
| [   47.210177] ------------[ cut here ]------------
| [   47.210205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/389
| [   47.210254] Modules linked in: unix_diag
| [   47.210330] Tainted: [W]=WARN
[   47.210352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.210386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.210411] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.210525] RSP: 0018:ff6ea731006bbc10 EFLAGS: 00010286
[   47.210553] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.210598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08403300
[   47.210636] RBP: 0000000000000000 R08: ff18c0ab0445b090 R09: ff18c0ab060da030
[   47.210683] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   47.210722] R13: 0000000000000010 R14: ff18c0ab01884000 R15: ff18c0ab08403300
[   47.210761] FS:  00007fda5dfd3840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   47.210801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.210842] CR2: 00007fda5e1da430 CR3: 00000000032e2005 CR4: 0000000000771ef0
[   47.210890] PKRU: 55555554
[   47.210906] Call Trace:
[   47.210919]  <TASK>
[   47.210932]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.210953]  register_netdevice (net/core/dev.c:11488)
[   47.210974]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   47.210996]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   47.211019]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   47.211042]  ops_init (net/core/net_namespace.c:137)
[   47.211063]  setup_net (net/core/net_namespace.c:446)
[   47.211084]  copy_net_ns (net/core/net_namespace.c:579)
[   47.211105]  create_new_namespaces (kernel/nsproxy.c:132)
[   47.211133]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   47.211160]  ksys_unshare (kernel/fork.c:3243)
[   47.211183]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   47.211204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.211225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.211253] RIP: 0033:0x7fda5e295bcb
[   47.211271] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   47.211360] RSP: 002b:00007ffcb42a8928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   47.211397] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fda5e295bcb
[   47.211437] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   47.211486] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   47.211530] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb42aab50
[   47.211568] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb42ab8c0
| [   47.211691] ------------[ cut here ]------------
| [   47.211719] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/389
| [   47.211767] Modules linked in: unix_diag
| [   47.211840] Tainted: [W]=WARN
[   47.211863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.211901] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.211929] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.212016] RSP: 0018:ff6ea731006bbbf0 EFLAGS: 00010286
[   47.212043] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.212083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0189be00
[   47.212120] RBP: 0000000000000000 R08: ff18c0ab03296490 R09: ff18c0ab0301e830
[   47.212157] R10: ff18c0ab01882120 R11: fefefefefefefeff R12: 0000000000000000
[   47.212199] R13: 0000000000000010 R14: ff18c0ab01882000 R15: ff18c0ab0189be00
[   47.212247] FS:  00007fda5dfd3840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   47.212291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.212329] CR2: 00007fda5e1da430 CR3: 00000000032e2005 CR4: 0000000000771ef0
[   47.212378] PKRU: 55555554
[   47.212397] Call Trace:
[   47.212412]  <TASK>
[   47.212429]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.212452]  register_netdevice (net/core/dev.c:11488)
[   47.212475]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   47.212499]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   47.212529]  vti_init_net (net/ipv4/ip_vti.c:517)
[   47.212552]  ops_init (net/core/net_namespace.c:137)
[   47.212574]  setup_net (net/core/net_namespace.c:446)
[   47.212600]  copy_net_ns (net/core/net_namespace.c:579)
[   47.212630]  create_new_namespaces (kernel/nsproxy.c:132)
[   47.212674]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   47.212706]  ksys_unshare (kernel/fork.c:3243)
[   47.212737]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   47.212760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.212784]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.212812] RIP: 0033:0x7fda5e295bcb
[   47.212836] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   47.212934] RSP: 002b:00007ffcb42a8928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   47.212980] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fda5e295bcb
[   47.213021] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   47.213063] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   47.213101] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb42aab50
[   47.213141] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb42ab8c0
| [   47.213281] ------------[ cut here ]------------
| [   47.213310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/389
| [   47.213356] Modules linked in: unix_diag
| [   47.213434] Tainted: [W]=WARN
[   47.213460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.213491] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.213523] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.213619] RSP: 0018:ff6ea731006bbca8 EFLAGS: 00010286
[   47.213645] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.213692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01850f00
[   47.213732] RBP: 0000000000000000 R08: ff18c0ab03296190 R09: ff18c0ab04602034
[   47.213781] R10: ff18c0ab03390120 R11: fefefefefefefeff R12: 0000000000000000
[   47.213817] R13: 0000000000000010 R14: ff18c0ab03390000 R15: ff18c0ab01850f00
[   47.213866] FS:  00007fda5dfd3840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   47.213912] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.213946] CR2: 00007fda5e1da430 CR3: 00000000032e2005 CR4: 0000000000771ef0
[   47.213983] PKRU: 55555554
[   47.213999] Call Trace:
[   47.214013]  <TASK>
[   47.214025]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.214047]  register_netdevice (net/core/dev.c:11488)
[   47.214068]  register_netdev (net/core/dev.c:11552)
[   47.214087]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   47.214110]  ops_init (net/core/net_namespace.c:137)
[   47.214131]  setup_net (net/core/net_namespace.c:446)
[   47.214152]  copy_net_ns (net/core/net_namespace.c:579)
[   47.214173]  create_new_namespaces (kernel/nsproxy.c:132)
[   47.214200]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   47.214227]  ksys_unshare (kernel/fork.c:3243)
[   47.214249]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   47.214270]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.214296]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.214324] RIP: 0033:0x7fda5e295bcb
[   47.214346] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   47.214452] RSP: 002b:00007ffcb42a8928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   47.214497] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fda5e295bcb
[   47.214542] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   47.214589] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   47.214631] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb42aab50
[   47.214673] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb42ab8c0
| [   47.214795] ------------[ cut here ]------------
| [   47.214822] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/389
| [   47.214873] Modules linked in: unix_diag
| [   47.214951] Tainted: [W]=WARN
[   47.214972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.215012] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.215039] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.215131] RSP: 0018:ff6ea731006bbca0 EFLAGS: 00010286
[   47.215160] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.215198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01931900
[   47.215238] RBP: 0000000000000000 R08: ff18c0ab03296810 R09: ff18c0ab04601030
[   47.215279] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   47.215327] R13: 0000000000000010 R14: ff18c0ab04602000 R15: ff18c0ab01931900
[   47.215368] FS:  00007fda5dfd3840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   47.215409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.215442] CR2: 00007fda5e1da430 CR3: 00000000032e2005 CR4: 0000000000771ef0
[   47.215493] PKRU: 55555554
[   47.215517] Call Trace:
[   47.215533]  <TASK>
[   47.215546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.215568]  register_netdevice (net/core/dev.c:11488)
[   47.215590]  register_netdev (net/core/dev.c:11552)
[   47.215612]  sit_init_net (net/ipv6/sit.c:1860)
[   47.215639]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   47.215663]  ops_init (net/core/net_namespace.c:137)
[   47.215686]  setup_net (net/core/net_namespace.c:446)
[   47.215707]  copy_net_ns (net/core/net_namespace.c:579)
[   47.215728]  create_new_namespaces (kernel/nsproxy.c:132)
[   47.215755]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   47.215782]  ksys_unshare (kernel/fork.c:3243)
[   47.215802]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   47.215822]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.215843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.215868] RIP: 0033:0x7fda5e295bcb
[   47.215892] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   47.215983] RSP: 002b:00007ffcb42a8928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   47.216030] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fda5e295bcb
[   47.216071] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   47.216118] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   47.216162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb42aab50
[   47.216207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb42ab8c0
| [   47.216362] ------------[ cut here ]------------
| [   47.216391] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/389
| [   47.216443] Modules linked in: unix_diag
| [   47.216533] Tainted: [W]=WARN
[   47.216554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.216589] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.216624] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.216714] RSP: 0018:ff6ea731006bbca8 EFLAGS: 00010286
[   47.216745] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.216786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab018f9d00
[   47.216823] RBP: 0000000000000000 R08: ff18c0ab03238b50 R09: ff18c0ab06077030
[   47.216870] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   47.216910] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab018f9d00
[   47.216952] FS:  00007fda5dfd3840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   47.216992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.217024] CR2: 00007fda5e1da430 CR3: 00000000032e2005 CR4: 0000000000771ef0
[   47.217064] PKRU: 55555554
[   47.217078] Call Trace:
[   47.217089]  <TASK>
[   47.217105]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.217126]  register_netdevice (net/core/dev.c:11488)
[   47.217146]  register_netdev (net/core/dev.c:11552)
[   47.217168]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   47.217188]  ops_init (net/core/net_namespace.c:137)
[   47.217209]  setup_net (net/core/net_namespace.c:446)
[   47.217230]  copy_net_ns (net/core/net_namespace.c:579)
[   47.217249]  create_new_namespaces (kernel/nsproxy.c:132)
[   47.217281]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   47.217312]  ksys_unshare (kernel/fork.c:3243)
[   47.217338]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   47.217356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.217378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.217405] RIP: 0033:0x7fda5e295bcb
[   47.217424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   47.217517] RSP: 002b:00007ffcb42a8928 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   47.217558] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fda5e295bcb
[   47.217597] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   47.217640] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   47.217685] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb42aab50
[   47.217723] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb42ab8c0
| [   47.218727] ------------[ cut here ]------------
| [   47.218768] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.218824] Modules linked in: unix_diag
| [   47.218896] Tainted: [W]=WARN
[   47.218920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.218956] Workqueue: netns cleanup_net
[   47.218981] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.219006] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.219095] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   47.219120] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   47.219156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.219194] RBP: 0000000000000000 R08: ff18c0ab0459c7d0 R09: ff18c0ab0338802c
[   47.219237] R10: ff18c0ab06074120 R11: fefefefefefefeff R12: 0000000000000000
[   47.219275] R13: 0000000000000010 R14: ff18c0ab06074000 R15: ff18c0ab01900d00
[   47.219315] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.219362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.219395] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.219437] PKRU: 55555554
[   47.219451] Call Trace:
[   47.219465]  <TASK>
[   47.219482]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.219511]  netif_close_many (net/core/dev.c:1804)
[   47.219534]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   47.219563]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   47.219585]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   47.219613]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   47.219636]  cleanup_net (net/core/net_namespace.c:702)
[   47.219663]  process_one_work (kernel/workqueue.c:3314)
[   47.219686]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.219709]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.219729]  kthread (kernel/kthread.c:436)
[   47.219749]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.219771]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.219794]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.219818]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.219959] ------------[ cut here ]------------
| [   47.220018] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   47.220082] Modules linked in: unix_diag
| [   47.220158] Tainted: [W]=WARN
[   47.220176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.220208] Workqueue: netns cleanup_net
[   47.220227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.220253] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.220341] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   47.220367] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   47.220408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01900d00
[   47.220448] RBP: 0000000000000000 R08: ff18c0ab0459c7d0 R09: ff18c0ab0610702c
[   47.220490] R10: ff18c0ab06074120 R11: fefefefefefefeff R12: 0000000000000000
[   47.220538] R13: 0000000000000011 R14: ff18c0ab06074000 R15: ff18c0ab01900d00
[   47.220583] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   47.220623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.220663] CR2: 00007fc124c0ac40 CR3: 0000000033447001 CR4: 0000000000771ef0
[   47.220703] PKRU: 55555554
[   47.220720] Call Trace:
[   47.220741]  <TASK>
[   47.220757]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   47.220784]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   47.220812]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   47.220833]  cleanup_net (net/core/net_namespace.c:702)
[   47.220855]  process_one_work (kernel/workqueue.c:3314)
[   47.220877]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.220898]  ? rescuer_thread (kernel/workqueue.c:3672)
[   47.220919]  kthread (kernel/kthread.c:436)
[   47.220940]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.220959]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.220980]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   47.221001]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.223757] ------------[ cut here ]------------
| [   47.223831] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/390
| [   47.223919] Modules linked in: unix_diag
| [   47.224072] Tainted: [W]=WARN
[   47.224132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.224204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.224271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   47.224395] RSP: 0018:ff6ea731006c3720 EFLAGS: 00010286
[   47.224463] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   47.224555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   47.224632] RBP: 0000000000000000 R08: ff18c0ab03223550 R09: ff18c0ab0460702c
[   47.224716] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   47.224791] R13: 0000000000000010 R14: ff18c0ab03028000 R15: ff18c0ab0193b500
[   47.224871] FS:  00007f453f4ee840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   47.224950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.225021] CR2: 000000001bc75988 CR3: 0000000001974002 CR4: 0000000000771ef0
[   47.225102] PKRU: 55555554
[   47.225152] Call Trace:
[   47.225202]  <TASK>
[   47.225253]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   47.225315]  __dev_notify_flags (net/core/dev.c:9787)
[   47.225376]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   47.225438]  netif_change_flags (net/core/dev.c:9820)
[   47.225500]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.225571]  ? __nla_validate_parse (lib/nlattr.c:620)
[   47.225642]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   47.225711]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   47.225774]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   47.225845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.225907]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   47.225971]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   47.226038]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.226101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.226163]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.226225]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.226288]  ___sys_sendmsg (net/socket.c:2752)
[   47.226351]  __sys_sendmsg (net/socket.c:2784)
[   47.226413]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.226475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.226545] RIP: 0033:0x7f453f72808e
[   47.226606] 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
[   47.226737] RSP: 002b:00007ffd0f1efae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.226824] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f453f72808e
[   47.226901] RDX: 0000000000000000 RSI: 00007ffd0f1efb90 RDI: 0000000000000005
[   47.226984] RBP: 00007ffd0f1efaf0 R08: 0000000000000000 R09: 0000000000000000
[   47.227060] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d31b
[   47.227137] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0f1f0260
| [   50.264792] ------------[ cut here ]------------
| [   50.264846] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.264909] Modules linked in: unix_diag
| [   50.264992] Tainted: [W]=WARN
[   50.265015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.265048] Workqueue: netns cleanup_net
[   50.265075] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.265106] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.265203] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   50.265232] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.265280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.265317] RBP: 0000000000000000 R08: ff18c0ab03238b50 R09: ff18c0ab060d8030
[   50.265355] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   50.265395] R13: 0000000000000011 R14: ff18c0ab04601000 R15: ff18c0ab03213400
[   50.265438] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.265482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.265522] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.265568] PKRU: 55555554
[   50.265582] Call Trace:
[   50.265598]  <TASK>
[   50.265617]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.265649]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.265678]  cleanup_net (net/core/net_namespace.c:702)
[   50.265702]  process_one_work (kernel/workqueue.c:3314)
[   50.265726]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.265748]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.265768]  kthread (kernel/kthread.c:436)
[   50.265793]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.265815]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.265842]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.265865]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.266011] ------------[ cut here ]------------
| [   50.266038] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.266092] Modules linked in: unix_diag
| [   50.266168] Tainted: [W]=WARN
[   50.266190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.266228] Workqueue: netns cleanup_net
[   50.266250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.266279] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.266370] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   50.266396] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.266436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.266474] RBP: 0000000000000000 R08: ff18c0ab03296810 R09: ff18c0ab044e3030
[   50.266519] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   50.266556] R13: 0000000000000011 R14: ff18c0ab04602000 R15: ff18c0ab03213400
[   50.266600] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.266641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.266683] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.266725] PKRU: 55555554
[   50.266741] Call Trace:
[   50.266753]  <TASK>
[   50.266767]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.266797]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.266820]  cleanup_net (net/core/net_namespace.c:702)
[   50.266851]  process_one_work (kernel/workqueue.c:3314)
[   50.266873]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.266895]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.266914]  kthread (kernel/kthread.c:436)
[   50.266937]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.266960]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.266983]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.267006]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.267168] ------------[ cut here ]------------
| [   50.267206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.267268] Modules linked in: unix_diag
| [   50.267343] Tainted: [W]=WARN
[   50.267368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.267403] Workqueue: netns cleanup_net
[   50.267426] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.267454] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.267549] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   50.267578] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.267618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.267669] RBP: 0000000000000000 R08: ff18c0ab03296190 R09: ff18c0ab06041834
[   50.267709] R10: ff18c0ab03390120 R11: fefefefefefefeff R12: 0000000000000000
[   50.267749] R13: 0000000000000011 R14: ff18c0ab03390000 R15: ff18c0ab03213400
[   50.267791] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.267836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.267872] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.267915] PKRU: 55555554
[   50.267929] Call Trace:
[   50.267942]  <TASK>
[   50.267958]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.267986]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.268012]  cleanup_net (net/core/net_namespace.c:702)
[   50.268032]  process_one_work (kernel/workqueue.c:3314)
[   50.268053]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.268072]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.268094]  kthread (kernel/kthread.c:436)
[   50.268115]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.268137]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.268160]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.268181]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.268338] ------------[ cut here ]------------
| [   50.268374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.268428] Modules linked in: unix_diag
| [   50.268502] Tainted: [W]=WARN
[   50.268532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.268566] Workqueue: netns cleanup_net
[   50.268591] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.268618] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.268714] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   50.268744] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.268785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.268825] RBP: 0000000000000000 R08: ff18c0ab03296490 R09: ff18c0ab09232030
[   50.268865] R10: ff18c0ab01882120 R11: fefefefefefefeff R12: 0000000000000000
[   50.268905] R13: 0000000000000011 R14: ff18c0ab01882000 R15: ff18c0ab03213400
[   50.268948] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.268988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.269019] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.269059] PKRU: 55555554
[   50.269074] Call Trace:
[   50.269087]  <TASK>
[   50.269102]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.269131]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.269152]  cleanup_net (net/core/net_namespace.c:702)
[   50.269173]  process_one_work (kernel/workqueue.c:3314)
[   50.269193]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.269212]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.269233]  kthread (kernel/kthread.c:436)
[   50.269258]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.269278]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.269301]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.269322]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.269432] ------------[ cut here ]------------
| [   50.269487] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.269560] Modules linked in: unix_diag
| [   50.269633] Tainted: [W]=WARN
[   50.269655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.269694] Workqueue: netns cleanup_net
[   50.269717] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.269749] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.269841] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   50.269872] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.269911] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.269953] RBP: 0000000000000000 R08: ff18c0ab0445b090 R09: ff18c0ab08159830
[   50.269994] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   50.270034] R13: 0000000000000011 R14: ff18c0ab01884000 R15: ff18c0ab03213400
[   50.270080] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.270121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.270154] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.270194] PKRU: 55555554
[   50.270209] Call Trace:
[   50.270225]  <TASK>
[   50.270240]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.270266]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   50.270289]  cleanup_net (net/core/net_namespace.c:702)
[   50.270309]  process_one_work (kernel/workqueue.c:3314)
[   50.270330]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.270354]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.270375]  kthread (kernel/kthread.c:436)
[   50.270398]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.270419]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.270444]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.270466]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.275696] ------------[ cut here ]------------
| [   50.275765] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.275830] Modules linked in: unix_diag
| [   50.275911] Tainted: [W]=WARN
[   50.275934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.275967] Workqueue: netns cleanup_net
[   50.275989] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.276017] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.276107] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   50.276133] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   50.276168] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.276207] RBP: 0000000000000000 R08: ff18c0ab03223550 R09: ff18c0ab0188402c
[   50.276246] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   50.276287] R13: 0000000000000010 R14: ff18c0ab03028000 R15: ff18c0ab03213400
[   50.276332] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.276372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.276402] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.276443] PKRU: 55555554
[   50.276461] Call Trace:
[   50.276474]  <TASK>
[   50.276487]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.276517]  netif_close_many (net/core/dev.c:1804)
[   50.276543]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   50.276575]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   50.276601]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.276631]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.276654]  cleanup_net (net/core/net_namespace.c:702)
[   50.276691]  process_one_work (kernel/workqueue.c:3314)
[   50.276714]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.276735]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.276757]  kthread (kernel/kthread.c:436)
[   50.276784]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.276807]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.276830]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.276853]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.277037] ------------[ cut here ]------------
| [   50.277074] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   50.277138] Modules linked in: unix_diag
| [   50.277231] Tainted: [W]=WARN
[   50.277258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.277296] Workqueue: netns cleanup_net
[   50.277320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.277348] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.277441] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   50.277469] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.277518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   50.277561] RBP: 0000000000000000 R08: ff18c0ab03223550 R09: ff18c0ab0784402c
[   50.277602] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   50.277642] R13: 0000000000000011 R14: ff18c0ab03028000 R15: ff18c0ab03213400
[   50.277688] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   50.277729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.277761] CR2: 00007fd6cb0512a0 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   50.277801] PKRU: 55555554
[   50.277816] Call Trace:
[   50.277829]  <TASK>
[   50.277843]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   50.277869]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   50.277896]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   50.277917]  cleanup_net (net/core/net_namespace.c:702)
[   50.277938]  process_one_work (kernel/workqueue.c:3314)
[   50.277959]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   50.277980]  ? rescuer_thread (kernel/workqueue.c:3672)
[   50.278001]  kthread (kernel/kthread.c:436)
[   50.278022]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.278041]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.278063]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   50.278081]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.278535] ------------[ cut here ]------------
| [   50.278597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/406
| [   50.278698] Modules linked in: unix_diag
| [   50.278860] Tainted: [W]=WARN
[   50.278921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.279003] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.279077] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.279215] RSP: 0018:ff6ea731006cbcb8 EFLAGS: 00010286
[   50.279278] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.279356] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   50.279435] RBP: 0000000000000000 R08: ff18c0ab044c2bd0 R09: ff18c0ab0188002c
[   50.279518] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   50.279600] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab0193b500
[   50.279688] FS:  00007f789ed7c840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   50.279767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.279841] CR2: 00007f789ef7dc20 CR3: 0000000001fcc004 CR4: 0000000000771ef0
[   50.279921] PKRU: 55555554
[   50.279972] Call Trace:
[   50.280021]  <TASK>
[   50.280072]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.280133]  register_netdevice (net/core/dev.c:11488)
[   50.280194]  register_netdev (net/core/dev.c:11552)
[   50.280255]  loopback_net_init (drivers/net/loopback.c:218)
[   50.280319]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   50.280388]  ops_init (net/core/net_namespace.c:137)
[   50.280450]  setup_net (net/core/net_namespace.c:446)
[   50.280520]  copy_net_ns (net/core/net_namespace.c:579)
[   50.280582]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.280663]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.280728]  ksys_unshare (kernel/fork.c:3243)
[   50.280791]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.280852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.280915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.280984] RIP: 0033:0x7f789f03ebcb
[   50.281045] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   50.281169] RSP: 002b:00007ffe72254608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.281249] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f789f03ebcb
[   50.281327] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.281405] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.281482] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe72256830
[   50.281567] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe722588c0
| [   50.281828] ------------[ cut here ]------------
| [   50.281895] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/406
| [   50.281979] Modules linked in: unix_diag
| [   50.282129] Tainted: [W]=WARN
[   50.282188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.282259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.282324] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.282447] RSP: 0018:ff6ea731006cbc10 EFLAGS: 00010286
[   50.282521] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.282600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04547700
[   50.282708] RBP: 0000000000000000 R08: ff18c0ab032274d0 R09: ff18c0ab078ec830
[   50.282802] R10: ff18c0ab01880120 R11: fefefefefefefeff R12: 0000000000000000
[   50.282894] R13: 0000000000000010 R14: ff18c0ab01880000 R15: ff18c0ab04547700
[   50.282989] FS:  00007f789ed7c840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   50.283073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.283144] CR2: 00007f789ef7dc20 CR3: 0000000001fcc004 CR4: 0000000000771ef0
[   50.283225] PKRU: 55555554
[   50.283275] Call Trace:
[   50.283324]  <TASK>
[   50.283373]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.283434]  register_netdevice (net/core/dev.c:11488)
[   50.283494]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   50.283560]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   50.283622]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   50.283690]  ops_init (net/core/net_namespace.c:137)
[   50.283751]  setup_net (net/core/net_namespace.c:446)
[   50.283812]  copy_net_ns (net/core/net_namespace.c:579)
[   50.283873]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.283939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.284007]  ksys_unshare (kernel/fork.c:3243)
[   50.284069]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.284127]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.284189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.284256] RIP: 0033:0x7f789f03ebcb
[   50.284316] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   50.284438] RSP: 002b:00007ffe72254608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.284547] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f789f03ebcb
[   50.284630] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.284718] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.284795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe72256830
[   50.284874] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe722588c0
| [   50.285123] ------------[ cut here ]------------
| [   50.285187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/406
| [   50.285271] Modules linked in: unix_diag
| [   50.285423] Tainted: [W]=WARN
[   50.285481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.285559] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.285624] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.285758] RSP: 0018:ff6ea731006cbbf0 EFLAGS: 00010286
[   50.285826] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.285904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799ff00
[   50.285981] RBP: 0000000000000000 R08: ff18c0ab0197da90 R09: ff18c0ab07475030
[   50.286057] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   50.286134] R13: 0000000000000010 R14: ff18c0ab03396000 R15: ff18c0ab0799ff00
[   50.286213] FS:  00007f789ed7c840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   50.286292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.286363] CR2: 00007f789ef7dc20 CR3: 0000000001fcc004 CR4: 0000000000771ef0
[   50.286442] PKRU: 55555554
[   50.286492] Call Trace:
[   50.286548]  <TASK>
[   50.286600]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.286674]  register_netdevice (net/core/dev.c:11488)
[   50.286740]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   50.286807]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   50.286872]  vti_init_net (net/ipv4/ip_vti.c:517)
[   50.286939]  ops_init (net/core/net_namespace.c:137)
[   50.286997]  setup_net (net/core/net_namespace.c:446)
[   50.287057]  copy_net_ns (net/core/net_namespace.c:579)
[   50.287117]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.287184]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.287255]  ksys_unshare (kernel/fork.c:3243)
[   50.287315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.287373]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.287432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.287497] RIP: 0033:0x7f789f03ebcb
[   50.287563] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   50.287696] RSP: 002b:00007ffe72254608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.287776] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f789f03ebcb
[   50.287852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.287927] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.288001] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe72256830
[   50.288077] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe722588c0
| [   50.288342] ------------[ cut here ]------------
| [   50.288405] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/406
| [   50.288492] Modules linked in: unix_diag
| [   50.288679] Tainted: [W]=WARN
[   50.288740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.288817] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.288884] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.289013] RSP: 0018:ff6ea731006cbca8 EFLAGS: 00010286
[   50.289078] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.289158] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03255300
[   50.289238] RBP: 0000000000000000 R08: ff18c0ab032968d0 R09: ff18c0ab03395034
[   50.289328] R10: ff18c0ab0338b120 R11: fefefefefefefeff R12: 0000000000000000
[   50.289414] R13: 0000000000000010 R14: ff18c0ab0338b000 R15: ff18c0ab03255300
[   50.289503] FS:  00007f789ed7c840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   50.289587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.289666] CR2: 00007f789ef7dc20 CR3: 0000000001fcc004 CR4: 0000000000771ef0
[   50.289744] PKRU: 55555554
[   50.289794] Call Trace:
[   50.289843]  <TASK>
[   50.289893]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.289953]  register_netdevice (net/core/dev.c:11488)
[   50.290013]  register_netdev (net/core/dev.c:11552)
[   50.290074]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   50.290138]  ops_init (net/core/net_namespace.c:137)
[   50.290199]  setup_net (net/core/net_namespace.c:446)
[   50.290259]  copy_net_ns (net/core/net_namespace.c:579)
[   50.290321]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.290389]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.290451]  ksys_unshare (kernel/fork.c:3243)
[   50.290519]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.290578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.290640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.290715] RIP: 0033:0x7f789f03ebcb
[   50.290775] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   50.290899] RSP: 002b:00007ffe72254608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.290976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f789f03ebcb
[   50.291051] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.291128] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.291206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe72256830
[   50.291284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe722588c0
| [   50.291547] ------------[ cut here ]------------
| [   50.291614] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/406
| [   50.291709] Modules linked in: unix_diag
| [   50.291860] Tainted: [W]=WARN
[   50.291918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.291990] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.292057] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.292180] RSP: 0018:ff6ea731006cbca0 EFLAGS: 00010286
[   50.292242] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.292317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799f700
[   50.292391] RBP: 0000000000000000 R08: ff18c0ab01973a50 R09: ff18c0ab04600030
[   50.292467] R10: ff18c0ab03395120 R11: fefefefefefefeff R12: 0000000000000000
[   50.292552] R13: 0000000000000010 R14: ff18c0ab03395000 R15: ff18c0ab0799f700
[   50.292633] FS:  00007f789ed7c840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   50.292717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.292785] CR2: 00007f789ef7dc20 CR3: 0000000001fcc004 CR4: 0000000000771ef0
[   50.292867] PKRU: 55555554
[   50.292916] Call Trace:
[   50.292966]  <TASK>
[   50.293017]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.293074]  register_netdevice (net/core/dev.c:11488)
[   50.293132]  register_netdev (net/core/dev.c:11552)
[   50.293189]  sit_init_net (net/ipv6/sit.c:1860)
[   50.293253]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   50.293311]  ops_init (net/core/net_namespace.c:137)
[   50.293371]  setup_net (net/core/net_namespace.c:446)
[   50.293434]  copy_net_ns (net/core/net_namespace.c:579)
[   50.293495]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.293570]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.293640]  ksys_unshare (kernel/fork.c:3243)
[   50.293707]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.293766]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.293827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.293891] RIP: 0033:0x7f789f03ebcb
[   50.293951] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   50.294073] RSP: 002b:00007ffe72254608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.294151] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f789f03ebcb
[   50.294226] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.294302] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.294379] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe72256830
[   50.294459] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe722588c0
| [   50.294736] ------------[ cut here ]------------
| [   50.294801] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/406
| [   50.294885] Modules linked in: unix_diag
| [   50.295036] Tainted: [W]=WARN
[   50.295095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.295166] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.295232] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.295350] RSP: 0018:ff6ea731006cbca8 EFLAGS: 00010286
[   50.295414] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   50.295497] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07892700
[   50.295595] RBP: 0000000000000000 R08: ff18c0ab03223c10 R09: ff18c0ab01c30030
[   50.295685] R10: ff18c0ab04600120 R11: fefefefefefefeff R12: 0000000000000000
[   50.295767] R13: 0000000000000010 R14: ff18c0ab04600000 R15: ff18c0ab07892700
[   50.295854] FS:  00007f789ed7c840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   50.295935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.296012] CR2: 00007f789ef7dc20 CR3: 0000000001fcc004 CR4: 0000000000771ef0
[   50.296103] PKRU: 55555554
[   50.296157] Call Trace:
[   50.296211]  <TASK>
[   50.296266]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.296333]  register_netdevice (net/core/dev.c:11488)
[   50.296399]  register_netdev (net/core/dev.c:11552)
[   50.296465]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   50.296539]  ops_init (net/core/net_namespace.c:137)
[   50.296601]  setup_net (net/core/net_namespace.c:446)
[   50.296695]  copy_net_ns (net/core/net_namespace.c:579)
[   50.296757]  create_new_namespaces (kernel/nsproxy.c:132)
[   50.296828]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   50.296896]  ksys_unshare (kernel/fork.c:3243)
[   50.296957]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   50.297017]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.297079]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.297142] RIP: 0033:0x7f789f03ebcb
[   50.297202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   50.297325] RSP: 002b:00007ffe72254608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   50.297402] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f789f03ebcb
[   50.297479] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   50.297564] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   50.297641] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe72256830
[   50.297727] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe722588c0
| [   50.301446] ------------[ cut here ]------------
| [   50.301486] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/407
| [   50.301546] Modules linked in: unix_diag
| [   50.301639] Tainted: [W]=WARN
[   50.301673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.301706] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   50.301735] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   50.301836] RSP: 0018:ff6ea731006f3720 EFLAGS: 00010286
[   50.301868] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   50.301913] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01931900
[   50.301954] RBP: 0000000000000000 R08: ff18c0ab044c2bd0 R09: ff18c0ab0607702c
[   50.302003] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   50.302046] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab01931900
[   50.302090] FS:  00007fa04be6a840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   50.302132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.302173] CR2: 0000000001896988 CR3: 000000000470f003 CR4: 0000000000771ef0
[   50.302217] PKRU: 55555554
[   50.302233] Call Trace:
[   50.302249]  <TASK>
[   50.302268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   50.302291]  __dev_notify_flags (net/core/dev.c:9787)
[   50.302314]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   50.302336]  netif_change_flags (net/core/dev.c:9820)
[   50.302359]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   50.302381]  ? __nla_validate_parse (lib/nlattr.c:620)
[   50.302417]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   50.302440]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   50.302463]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   50.302493]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   50.302526]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   50.302553]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   50.302582]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   50.302606]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.302627]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   50.302648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   50.302675]  ___sys_sendmsg (net/socket.c:2752)
[   50.302696]  __sys_sendmsg (net/socket.c:2784)
[   50.302715]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   50.302734]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.302762] RIP: 0033:0x7fa04c0a408e
[   50.302783] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.302868] RSP: 002b:00007ffdd28da020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.302910] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa04c0a408e
[   50.302948] RDX: 0000000000000000 RSI: 00007ffdd28da0d0 RDI: 0000000000000005
[   50.302995] RBP: 00007ffdd28da030 R08: 0000000000000000 R09: 0000000000000000
[   50.303033] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d31e
[   50.303070] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd28da7a0
| [   53.339140] ------------[ cut here ]------------
| [   53.339198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.339267] Modules linked in: unix_diag
| [   53.339354] Tainted: [W]=WARN
[   53.339376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.339410] Workqueue: netns cleanup_net
[   53.339436] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.339467] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.339570] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   53.339600] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.339639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.339688] RBP: 0000000000000000 R08: ff18c0ab03223c10 R09: ff18c0ab0606e030
[   53.339729] R10: ff18c0ab04600120 R11: fefefefefefefeff R12: 0000000000000000
[   53.339770] R13: 0000000000000011 R14: ff18c0ab04600000 R15: ff18c0ab03213400
[   53.339812] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.339860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.339895] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.339938] PKRU: 55555554
[   53.339951] Call Trace:
[   53.339969]  <TASK>
[   53.339987]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.340018]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.340043]  cleanup_net (net/core/net_namespace.c:702)
[   53.340067]  process_one_work (kernel/workqueue.c:3314)
[   53.340092]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.340117]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.340139]  kthread (kernel/kthread.c:436)
[   53.340163]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.340184]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.340208]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.340235]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.340428] ------------[ cut here ]------------
| [   53.340463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.340524] Modules linked in: unix_diag
| [   53.340602] Tainted: [W]=WARN
[   53.340622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.340664] Workqueue: netns cleanup_net
[   53.340692] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.340719] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.340815] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   53.340840] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.340877] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.340921] RBP: 0000000000000000 R08: ff18c0ab01973a50 R09: ff18c0ab078dc030
[   53.340962] R10: ff18c0ab03395120 R11: fefefefefefefeff R12: 0000000000000000
[   53.341006] R13: 0000000000000011 R14: ff18c0ab03395000 R15: ff18c0ab03213400
[   53.341047] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.341088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.341122] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.341163] PKRU: 55555554
[   53.341179] Call Trace:
[   53.341193]  <TASK>
[   53.341206]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.341239]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.341262]  cleanup_net (net/core/net_namespace.c:702)
[   53.341286]  process_one_work (kernel/workqueue.c:3314)
[   53.341316]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.341335]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.341355]  kthread (kernel/kthread.c:436)
[   53.341382]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.341404]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.341429]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.341453]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.341632] ------------[ cut here ]------------
| [   53.341674] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.341733] Modules linked in: unix_diag
| [   53.341814] Tainted: [W]=WARN
[   53.341835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.341870] Workqueue: netns cleanup_net
[   53.341896] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.341922] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.342009] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   53.342038] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.342083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.342124] RBP: 0000000000000000 R08: ff18c0ab032968d0 R09: ff18c0ab09210034
[   53.342166] R10: ff18c0ab0338b120 R11: fefefefefefefeff R12: 0000000000000000
[   53.342207] R13: 0000000000000011 R14: ff18c0ab0338b000 R15: ff18c0ab03213400
[   53.342251] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.342292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.342326] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.342363] PKRU: 55555554
[   53.342382] Call Trace:
[   53.342396]  <TASK>
[   53.342411]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.342440]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.342462]  cleanup_net (net/core/net_namespace.c:702)
[   53.342484]  process_one_work (kernel/workqueue.c:3314)
[   53.342503]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.342531]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.342552]  kthread (kernel/kthread.c:436)
[   53.342573]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.342594]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.342618]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.342640]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.342800] ------------[ cut here ]------------
| [   53.342836] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.342896] Modules linked in: unix_diag
| [   53.342976] Tainted: [W]=WARN
[   53.343000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.343035] Workqueue: netns cleanup_net
[   53.343056] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.343084] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.343175] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   53.343199] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.343240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.343280] RBP: 0000000000000000 R08: ff18c0ab0197da90 R09: ff18c0ab08760030
[   53.343320] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   53.343360] R13: 0000000000000011 R14: ff18c0ab03396000 R15: ff18c0ab03213400
[   53.343403] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.343446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.343482] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.343533] PKRU: 55555554
[   53.343550] Call Trace:
[   53.343564]  <TASK>
[   53.343581]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.343608]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.343637]  cleanup_net (net/core/net_namespace.c:702)
[   53.343667]  process_one_work (kernel/workqueue.c:3314)
[   53.343690]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.343712]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.343732]  kthread (kernel/kthread.c:436)
[   53.343752]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.343773]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.343792]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.343815]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.343962] ------------[ cut here ]------------
| [   53.343995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.344048] Modules linked in: unix_diag
| [   53.344120] Tainted: [W]=WARN
[   53.344142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.344179] Workqueue: netns cleanup_net
[   53.344201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.344233] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.344336] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   53.344363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.344408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.344449] RBP: 0000000000000000 R08: ff18c0ab032274d0 R09: ff18c0ab07860030
[   53.344489] R10: ff18c0ab01880120 R11: fefefefefefefeff R12: 0000000000000000
[   53.344538] R13: 0000000000000011 R14: ff18c0ab01880000 R15: ff18c0ab03213400
[   53.344581] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.344621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.344663] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.344706] PKRU: 55555554
[   53.344722] Call Trace:
[   53.344742]  <TASK>
[   53.344757]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.344785]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.344809]  cleanup_net (net/core/net_namespace.c:702)
[   53.344834]  process_one_work (kernel/workqueue.c:3314)
[   53.344857]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.344877]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.344898]  kthread (kernel/kthread.c:436)
[   53.344923]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.344945]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.344969]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.344994]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.351734] ------------[ cut here ]------------
| [   53.351808] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/423
| [   53.351899] Modules linked in: unix_diag
| [   53.352057] Tainted: [W]=WARN
[   53.352113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.352185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.352251] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.352374] RSP: 0018:ff6ea731006d3cb8 EFLAGS: 00010286
[   53.352444] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.352529] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab033f8300
[   53.352611] RBP: 0000000000000000 R08: ff18c0ab032524d0 R09: ff18c0ab0302b02c
[   53.352699] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   53.352778] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab033f8300
[   53.352860] FS:  00007fb053458840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   53.352937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.353006] CR2: 00007fb0536627d0 CR3: 00000000084d1005 CR4: 0000000000771ef0
[   53.353084] PKRU: 55555554
[   53.353134] Call Trace:
[   53.353183]  <TASK>
[   53.353234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.353296]  register_netdevice (net/core/dev.c:11488)
[   53.353359]  register_netdev (net/core/dev.c:11552)
[   53.353420]  loopback_net_init (drivers/net/loopback.c:218)
[   53.353481]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   53.353560]  ops_init (net/core/net_namespace.c:137)
[   53.353623]  setup_net (net/core/net_namespace.c:446)
[   53.353690]  copy_net_ns (net/core/net_namespace.c:579)
[   53.353751]  create_new_namespaces (kernel/nsproxy.c:132)
[   53.353821]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   53.353888]  ksys_unshare (kernel/fork.c:3243)
[   53.353949]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   53.354011]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.354074]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.354142] RIP: 0033:0x7fb05371abcb
[   53.354205] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.354330] RSP: 002b:00007ffed6de3d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   53.354410] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb05371abcb
[   53.354527] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   53.354610] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   53.354691] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed6de5fc0
[   53.354772] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed6de78c0
| [   53.355032] ------------[ cut here ]------------
| [   53.355095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/423
| [   53.355181] Modules linked in: unix_diag
| [   53.355334] Tainted: [W]=WARN
[   53.355393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.355465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.355543] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.355680] RSP: 0018:ff6ea731006d3c10 EFLAGS: 00010286
[   53.355748] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.355830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04547700
[   53.355907] RBP: 0000000000000000 R08: ff18c0ab03296050 R09: ff18c0ab012ab030
[   53.355986] R10: ff18c0ab0302b120 R11: fefefefefefefeff R12: 0000000000000000
[   53.356065] R13: 0000000000000010 R14: ff18c0ab0302b000 R15: ff18c0ab04547700
[   53.356150] FS:  00007fb053458840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   53.356231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.356302] CR2: 00007fb0536627d0 CR3: 00000000084d1005 CR4: 0000000000771ef0
[   53.356385] PKRU: 55555554
[   53.356434] Call Trace:
[   53.356483]  <TASK>
[   53.356540]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.356597]  register_netdevice (net/core/dev.c:11488)
[   53.356654]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   53.356721]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   53.356779]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   53.356838]  ops_init (net/core/net_namespace.c:137)
[   53.356895]  setup_net (net/core/net_namespace.c:446)
[   53.356952]  copy_net_ns (net/core/net_namespace.c:579)
[   53.357016]  create_new_namespaces (kernel/nsproxy.c:132)
[   53.357085]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   53.357154]  ksys_unshare (kernel/fork.c:3243)
[   53.357217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   53.357279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.357339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.357404] RIP: 0033:0x7fb05371abcb
[   53.357466] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.357599] RSP: 002b:00007ffed6de3d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   53.357687] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb05371abcb
[   53.357765] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   53.357841] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   53.357919] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed6de5fc0
[   53.357996] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed6de78c0
| [   53.358246] ------------[ cut here ]------------
| [   53.358313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/423
| [   53.358400] Modules linked in: unix_diag
| [   53.358560] Tainted: [W]=WARN
[   53.358619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.358696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.358765] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.358890] RSP: 0018:ff6ea731006d3bf0 EFLAGS: 00010286
[   53.358956] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.359031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799ff00
[   53.359104] RBP: 0000000000000000 R08: ff18c0ab03238d10 R09: ff18c0ab060de830
[   53.359181] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   53.359262] R13: 0000000000000010 R14: ff18c0ab0302a000 R15: ff18c0ab0799ff00
[   53.359355] FS:  00007fb053458840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   53.359440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.359515] CR2: 00007fb0536627d0 CR3: 00000000084d1005 CR4: 0000000000771ef0
[   53.359604] PKRU: 55555554
[   53.359668] Call Trace:
[   53.359724]  <TASK>
[   53.359777]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.359842]  register_netdevice (net/core/dev.c:11488)
[   53.359910]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   53.359980]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   53.360045]  vti_init_net (net/ipv4/ip_vti.c:517)
[   53.360111]  ops_init (net/core/net_namespace.c:137)
[   53.360177]  setup_net (net/core/net_namespace.c:446)
[   53.360242]  copy_net_ns (net/core/net_namespace.c:579)
[   53.360308]  create_new_namespaces (kernel/nsproxy.c:132)
[   53.360382]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   53.360453]  ksys_unshare (kernel/fork.c:3243)
[   53.360525]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   53.360591]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.360665]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.360734] RIP: 0033:0x7fb05371abcb
[   53.360796] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.360932] RSP: 002b:00007ffed6de3d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   53.361016] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb05371abcb
[   53.361093] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   53.361173] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   53.361249] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed6de5fc0
[   53.361325] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed6de78c0
| [   53.361605] ------------[ cut here ]------------
| [   53.361682] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/423
| [   53.361769] Modules linked in: unix_diag
| [   53.361925] Tainted: [W]=WARN
[   53.361984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.362056] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.362121] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.362247] RSP: 0018:ff6ea731006d3ca8 EFLAGS: 00010286
[   53.362314] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.362388] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03255300
[   53.362467] RBP: 0000000000000000 R08: ff18c0ab03238c90 R09: ff18c0ab0302f034
[   53.362549] R10: ff18c0ab04606120 R11: fefefefefefefeff R12: 0000000000000000
[   53.362627] R13: 0000000000000010 R14: ff18c0ab04606000 R15: ff18c0ab03255300
[   53.362711] FS:  00007fb053458840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   53.362793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.362865] CR2: 00007fb0536627d0 CR3: 00000000084d1005 CR4: 0000000000771ef0
[   53.362942] PKRU: 55555554
[   53.362992] Call Trace:
[   53.363043]  <TASK>
[   53.363096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.363156]  register_netdevice (net/core/dev.c:11488)
[   53.363218]  register_netdev (net/core/dev.c:11552)
[   53.363280]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   53.363342]  ops_init (net/core/net_namespace.c:137)
[   53.363405]  setup_net (net/core/net_namespace.c:446)
[   53.363465]  copy_net_ns (net/core/net_namespace.c:579)
[   53.363535]  create_new_namespaces (kernel/nsproxy.c:132)
[   53.363605]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   53.363680]  ksys_unshare (kernel/fork.c:3243)
[   53.363743]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   53.363805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.363867]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.363934] RIP: 0033:0x7fb05371abcb
[   53.363995] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.364120] RSP: 002b:00007ffed6de3d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   53.364197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb05371abcb
[   53.364273] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   53.364351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   53.364428] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed6de5fc0
[   53.364506] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed6de78c0
| [   53.364783] ------------[ cut here ]------------
| [   53.364845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/423
| [   53.364929] Modules linked in: unix_diag
| [   53.365081] Tainted: [W]=WARN
[   53.365140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.365213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.365279] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.365402] RSP: 0018:ff6ea731006d3ca0 EFLAGS: 00010286
[   53.365465] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.365551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0799f700
[   53.365634] RBP: 0000000000000000 R08: ff18c0ab033bb3d0 R09: ff18c0ab06076030
[   53.365715] R10: ff18c0ab0302f120 R11: fefefefefefefeff R12: 0000000000000000
[   53.365795] R13: 0000000000000010 R14: ff18c0ab0302f000 R15: ff18c0ab0799f700
[   53.365872] FS:  00007fb053458840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   53.365949] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.366021] CR2: 00007fb0536627d0 CR3: 00000000084d1005 CR4: 0000000000771ef0
[   53.366101] PKRU: 55555554
[   53.366151] Call Trace:
[   53.366202]  <TASK>
[   53.366252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.366314]  register_netdevice (net/core/dev.c:11488)
[   53.366375]  register_netdev (net/core/dev.c:11552)
[   53.366437]  sit_init_net (net/ipv6/sit.c:1860)
[   53.366500]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   53.366566]  ops_init (net/core/net_namespace.c:137)
[   53.366627]  setup_net (net/core/net_namespace.c:446)
[   53.366691]  copy_net_ns (net/core/net_namespace.c:579)
[   53.366755]  create_new_namespaces (kernel/nsproxy.c:132)
[   53.366823]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   53.366892]  ksys_unshare (kernel/fork.c:3243)
[   53.366951]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   53.367013]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.367082]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.367149] RIP: 0033:0x7fb05371abcb
[   53.367210] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.367330] RSP: 002b:00007ffed6de3d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   53.367406] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb05371abcb
[   53.367479] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   53.367565] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   53.367643] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed6de5fc0
[   53.367726] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed6de78c0
| [   53.367998] ------------[ cut here ]------------
| [   53.368064] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/423
| [   53.368151] Modules linked in: unix_diag
| [   53.368303] Tainted: [W]=WARN
[   53.368363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.368435] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.368503] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.368634] RSP: 0018:ff6ea731006d3ca8 EFLAGS: 00010286
[   53.368705] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.368783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab07892700
[   53.368862] RBP: 0000000000000000 R08: ff18c0ab03240710 R09: ff18c0ab01180030
[   53.368940] R10: ff18c0ab06076120 R11: fefefefefefefeff R12: 0000000000000000
[   53.369023] R13: 0000000000000010 R14: ff18c0ab06076000 R15: ff18c0ab07892700
[   53.369102] FS:  00007fb053458840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   53.369180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.369252] CR2: 00007fb0536627d0 CR3: 00000000084d1005 CR4: 0000000000771ef0
[   53.369328] PKRU: 55555554
[   53.369380] Call Trace:
[   53.369431]  <TASK>
[   53.369482]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.369551]  register_netdevice (net/core/dev.c:11488)
[   53.369616]  register_netdev (net/core/dev.c:11552)
[   53.369684]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   53.369744]  ops_init (net/core/net_namespace.c:137)
[   53.369808]  setup_net (net/core/net_namespace.c:446)
[   53.369870]  copy_net_ns (net/core/net_namespace.c:579)
[   53.369933]  create_new_namespaces (kernel/nsproxy.c:132)
[   53.370002]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   53.370069]  ksys_unshare (kernel/fork.c:3243)
[   53.370133]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   53.370191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.370255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.370324] RIP: 0033:0x7fb05371abcb
[   53.370385] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   53.370506] RSP: 002b:00007ffed6de3d98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   53.370588] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb05371abcb
[   53.370671] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   53.370749] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   53.370826] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffed6de5fc0
[   53.370903] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffed6de78c0
| [   53.371739] ------------[ cut here ]------------
| [   53.371779] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.371835] Modules linked in: unix_diag
| [   53.371913] Tainted: [W]=WARN
[   53.371935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.371966] Workqueue: netns cleanup_net
[   53.371990] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.372017] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.372105] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   53.372132] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   53.372172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.372212] RBP: 0000000000000000 R08: ff18c0ab044c2bd0 R09: ff18c0ab0188002c
[   53.372265] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   53.372305] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab03213400
[   53.372350] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.372390] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.372422] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.372460] PKRU: 55555554
[   53.372478] Call Trace:
[   53.372491]  <TASK>
[   53.372504]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.372534]  netif_close_many (net/core/dev.c:1804)
[   53.372556]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.372583]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   53.372608]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.372634]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.372662]  cleanup_net (net/core/net_namespace.c:702)
[   53.372683]  process_one_work (kernel/workqueue.c:3314)
[   53.372705]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.372726]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.372746]  kthread (kernel/kthread.c:436)
[   53.372770]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.372793]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.372816]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.372839]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.372970] ------------[ cut here ]------------
| [   53.372997] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   53.373089] Modules linked in: unix_diag
| [   53.373164] Tainted: [W]=WARN
[   53.373182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.373216] Workqueue: netns cleanup_net
[   53.373239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.373267] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.373354] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   53.373379] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   53.373420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   53.373460] RBP: 0000000000000000 R08: ff18c0ab044c2bd0 R09: ff18c0ab0923602c
[   53.373500] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   53.373548] R13: 0000000000000011 R14: ff18c0ab04601000 R15: ff18c0ab03213400
[   53.373592] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   53.373636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.373675] CR2: 0000557d887f6368 CR3: 00000000030a5004 CR4: 0000000000771ef0
[   53.373715] PKRU: 55555554
[   53.373728] Call Trace:
[   53.373742]  <TASK>
[   53.373757]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.373784]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.373811]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.373837]  cleanup_net (net/core/net_namespace.c:702)
[   53.373863]  process_one_work (kernel/workqueue.c:3314)
[   53.373890]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.373909]  ? rescuer_thread (kernel/workqueue.c:3672)
[   53.373934]  kthread (kernel/kthread.c:436)
[   53.373957]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.373978]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.374001]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   53.374022]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.377533] ------------[ cut here ]------------
| [   53.377576] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/424
| [   53.377635] Modules linked in: unix_diag
| [   53.377728] Tainted: [W]=WARN
[   53.377752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.377794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.377829] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   53.377934] RSP: 0018:ff6ea7310072b720 EFLAGS: 00010286
[   53.377964] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   53.378007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0782f100
[   53.378050] RBP: 0000000000000000 R08: ff18c0ab032524d0 R09: ff18c0ab0607302c
[   53.378091] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   53.378134] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab0782f100
[   53.378181] FS:  00007fa0b7b66840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   53.378229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.378267] CR2: 000000003980b988 CR3: 000000000322b004 CR4: 0000000000771ef0
[   53.378314] PKRU: 55555554
[   53.378330] Call Trace:
[   53.378345]  <TASK>
[   53.378362]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   53.378386]  __dev_notify_flags (net/core/dev.c:9787)
[   53.378412]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   53.378435]  netif_change_flags (net/core/dev.c:9820)
[   53.378462]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   53.378486]  ? __nla_validate_parse (lib/nlattr.c:620)
[   53.378523]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   53.378547]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   53.378571]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   53.378605]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   53.378628]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   53.378654]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   53.378692]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   53.378716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.378740]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   53.378764]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   53.378789]  ___sys_sendmsg (net/socket.c:2752)
[   53.378812]  __sys_sendmsg (net/socket.c:2784)
[   53.378837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   53.378862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.378891] RIP: 0033:0x7fa0b7da008e
[   53.378910] 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
[   53.379001] RSP: 002b:00007ffcd3814db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.379045] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa0b7da008e
[   53.379092] RDX: 0000000000000000 RSI: 00007ffcd3814e60 RDI: 0000000000000005
[   53.379141] RBP: 00007ffcd3814dc0 R08: 0000000000000000 R09: 0000000000000000
[   53.379185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d321
[   53.379228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd3815530
| [   56.419819] ------------[ cut here ]------------
| [   56.419904] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.420004] Modules linked in: unix_diag
| [   56.420159] Tainted: [W]=WARN
[   56.420215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.420289] Workqueue: netns cleanup_net
[   56.420349] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.420418] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.420557] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   56.420622] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.420713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.420794] RBP: 0000000000000000 R08: ff18c0ab03240710 R09: ff18c0ab019cc030
[   56.420879] R10: ff18c0ab06076120 R11: fefefefefefefeff R12: 0000000000000000
[   56.420955] R13: 0000000000000011 R14: ff18c0ab06076000 R15: ff18c0ab0193b500
[   56.421039] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.421121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.421190] CR2: 00007fac23750668 CR3: 000000000906b006 CR4: 0000000000771ef0
[   56.421304] PKRU: 55555554
[   56.421353] Call Trace:
[   56.421403]  <TASK>
[   56.421483]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.421591]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.421651]  cleanup_net (net/core/net_namespace.c:702)
[   56.421713]  process_one_work (kernel/workqueue.c:3314)
[   56.421775]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.421835]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.421896]  kthread (kernel/kthread.c:436)
[   56.421951]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.422009]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.422072]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.422133]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.422404] ------------[ cut here ]------------
| [   56.422465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.422587] Modules linked in: unix_diag
| [   56.422743] Tainted: [W]=WARN
[   56.422798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.422871] Workqueue: netns cleanup_net
[   56.422930] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.423022] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.423156] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   56.423218] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.423302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.423385] RBP: 0000000000000000 R08: ff18c0ab033bb3d0 R09: ff18c0ab07882830
[   56.423502] R10: ff18c0ab0302f120 R11: fefefefefefefeff R12: 0000000000000000
[   56.423591] R13: 0000000000000011 R14: ff18c0ab0302f000 R15: ff18c0ab0193b500
[   56.423686] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.423768] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.423841] CR2: 00007fac23750668 CR3: 000000000906b006 CR4: 0000000000771ef0
[   56.423923] PKRU: 55555554
[   56.423979] Call Trace:
[   56.424028]  <TASK>
[   56.424077]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.424144]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.424204]  cleanup_net (net/core/net_namespace.c:702)
[   56.424265]  process_one_work (kernel/workqueue.c:3314)
[   56.424325]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.424382]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.424442]  kthread (kernel/kthread.c:436)
[   56.424500]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.424566]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.424626]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.424690]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.424936] ------------[ cut here ]------------
| [   56.424999] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.425101] Modules linked in: unix_diag
| [   56.425255] Tainted: [W]=WARN
[   56.425313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.425387] Workqueue: netns cleanup_net
[   56.425448] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.425517] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.425653] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   56.425729] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.425808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.425887] RBP: 0000000000000000 R08: ff18c0ab03238c90 R09: ff18c0ab06041034
[   56.425965] R10: ff18c0ab04606120 R11: fefefefefefefeff R12: 0000000000000000
[   56.426046] R13: 0000000000000011 R14: ff18c0ab04606000 R15: ff18c0ab0193b500
[   56.426132] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.426212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.426284] CR2: 00007fac23750668 CR3: 000000000906b006 CR4: 0000000000771ef0
[   56.426367] PKRU: 55555554
[   56.426417] Call Trace:
[   56.426467]  <TASK>
[   56.426517]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.426584]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.426643]  cleanup_net (net/core/net_namespace.c:702)
[   56.426710]  process_one_work (kernel/workqueue.c:3314)
[   56.426771]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.426831]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.426891]  kthread (kernel/kthread.c:436)
[   56.426951]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.427014]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.427075]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.427134]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.427370] ------------[ cut here ]------------
| [   56.427433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.427539] Modules linked in: unix_diag
| [   56.427703] Tainted: [W]=WARN
[   56.427759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.427831] Workqueue: netns cleanup_net
[   56.427892] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.427960] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.428094] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   56.428160] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.428240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.428320] RBP: 0000000000000000 R08: ff18c0ab03238d10 R09: ff18c0ab061f3830
[   56.428399] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   56.428484] R13: 0000000000000011 R14: ff18c0ab0302a000 R15: ff18c0ab0193b500
[   56.428568] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.428649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.428732] CR2: 00007fac23750668 CR3: 000000000906b006 CR4: 0000000000771ef0
[   56.428820] PKRU: 55555554
[   56.428869] Call Trace:
[   56.428919]  <TASK>
[   56.428968]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.429036]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.429097]  cleanup_net (net/core/net_namespace.c:702)
[   56.429157]  process_one_work (kernel/workqueue.c:3314)
[   56.429218]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.429276]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.429336]  kthread (kernel/kthread.c:436)
[   56.429395]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.429456]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.429515]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.429577]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.429810] ------------[ cut here ]------------
| [   56.429877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.429973] Modules linked in: unix_diag
| [   56.430128] Tainted: [W]=WARN
[   56.430187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.430261] Workqueue: netns cleanup_net
[   56.430320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.430391] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.430533] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   56.430603] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.430689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.430768] RBP: 0000000000000000 R08: ff18c0ab03296050 R09: ff18c0ab0875b030
[   56.430845] R10: ff18c0ab0302b120 R11: fefefefefefefeff R12: 0000000000000000
[   56.430926] R13: 0000000000000011 R14: ff18c0ab0302b000 R15: ff18c0ab0193b500
[   56.431006] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.431086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.431160] CR2: 00007fac23750668 CR3: 000000000906b006 CR4: 0000000000771ef0
[   56.431239] PKRU: 55555554
[   56.431287] Call Trace:
[   56.431336]  <TASK>
[   56.431386]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.431453]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   56.431510]  cleanup_net (net/core/net_namespace.c:702)
[   56.431574]  process_one_work (kernel/workqueue.c:3314)
[   56.431633]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.431719]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.431785]  kthread (kernel/kthread.c:436)
[   56.431845]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.431905]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.431964]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.432022]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.432360] ------------[ cut here ]------------
| [   56.432396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/440
| [   56.432451] Modules linked in: unix_diag
| [   56.432545] Tainted: [W]=WARN
[   56.432568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.432610] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.432641] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.432746] RSP: 0018:ff6ea73100683cb8 EFLAGS: 00010286
[   56.432783] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.432831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213400
[   56.432874] RBP: 0000000000000000 R08: ff18c0ab03227810 R09: ff18c0ab0460202c
[   56.432917] R10: ff18c0ab04604120 R11: fefefefefefefeff R12: 0000000000000000
[   56.432961] R13: 0000000000000010 R14: ff18c0ab04604000 R15: ff18c0ab03213400
[   56.432999] FS:  00007fac232b7840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   56.433045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.433084] CR2: 00007fac234c17d0 CR3: 000000000906b005 CR4: 0000000000771ef0
[   56.433126] PKRU: 55555554
[   56.433140] Call Trace:
[   56.433155]  <TASK>
[   56.433168]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.433189]  register_netdevice (net/core/dev.c:11488)
[   56.433209]  register_netdev (net/core/dev.c:11552)
[   56.433230]  loopback_net_init (drivers/net/loopback.c:218)
[   56.433250]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   56.433276]  ops_init (net/core/net_namespace.c:137)
[   56.433298]  setup_net (net/core/net_namespace.c:446)
[   56.433321]  copy_net_ns (net/core/net_namespace.c:579)
[   56.433342]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.433366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.433391]  ksys_unshare (kernel/fork.c:3243)
[   56.433410]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.433434]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.433458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.433487] RIP: 0033:0x7fac23579bcb
[   56.433506] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.433604] RSP: 002b:00007ffd7ff28c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.433646] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac23579bcb
[   56.433689] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.433726] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.433765] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7ff2aea0
[   56.433806] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ff2b8c0
| [   56.433943] ------------[ cut here ]------------
| [   56.433967] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/440
| [   56.434020] Modules linked in: unix_diag
| [   56.434094] Tainted: [W]=WARN
[   56.434115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.434148] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.434174] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.434271] RSP: 0018:ff6ea73100683c10 EFLAGS: 00010286
[   56.434300] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.434338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03213900
[   56.434379] RBP: 0000000000000000 R08: ff18c0ab01db9750 R09: ff18c0ab060de830
[   56.434422] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   56.434460] R13: 0000000000000010 R14: ff18c0ab04602000 R15: ff18c0ab03213900
[   56.434502] FS:  00007fac232b7840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   56.434544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.434579] CR2: 00007fac234c17d0 CR3: 000000000906b005 CR4: 0000000000771ef0
[   56.434622] PKRU: 55555554
[   56.434635] Call Trace:
[   56.434647]  <TASK>
[   56.434669]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.434690]  register_netdevice (net/core/dev.c:11488)
[   56.434714]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   56.434738]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   56.434760]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   56.434783]  ops_init (net/core/net_namespace.c:137)
[   56.434804]  setup_net (net/core/net_namespace.c:446)
[   56.434823]  copy_net_ns (net/core/net_namespace.c:579)
[   56.434849]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.434876]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.434907]  ksys_unshare (kernel/fork.c:3243)
[   56.434930]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.434952]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.434976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.435004] RIP: 0033:0x7fac23579bcb
[   56.435024] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.435114] RSP: 002b:00007ffd7ff28c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.435153] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac23579bcb
[   56.435195] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.435236] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.435279] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7ff2aea0
[   56.435323] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ff2b8c0
| [   56.435438] ------------[ cut here ]------------
| [   56.435464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/440
| [   56.435514] Modules linked in: unix_diag
| [   56.435592] Tainted: [W]=WARN
[   56.435614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.435646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.435677] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.435780] RSP: 0018:ff6ea73100683bf0 EFLAGS: 00010286
[   56.435807] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.435850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04547600
[   56.435891] RBP: 0000000000000000 R08: ff18c0ab03252610 R09: ff18c0ab06041830
[   56.435930] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   56.435971] R13: 0000000000000010 R14: ff18c0ab01884000 R15: ff18c0ab04547600
[   56.436014] FS:  00007fac232b7840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   56.436058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.436091] CR2: 00007fac234c17d0 CR3: 000000000906b005 CR4: 0000000000771ef0
[   56.436136] PKRU: 55555554
[   56.436150] Call Trace:
[   56.436164]  <TASK>
[   56.436180]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.436201]  register_netdevice (net/core/dev.c:11488)
[   56.436220]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   56.436241]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   56.436261]  vti_init_net (net/ipv4/ip_vti.c:517)
[   56.436282]  ops_init (net/core/net_namespace.c:137)
[   56.436302]  setup_net (net/core/net_namespace.c:446)
[   56.436321]  copy_net_ns (net/core/net_namespace.c:579)
[   56.436341]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.436366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.436393]  ksys_unshare (kernel/fork.c:3243)
[   56.436413]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.436434]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.436458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.436486] RIP: 0033:0x7fac23579bcb
[   56.436505] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.436606] RSP: 002b:00007ffd7ff28c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.436646] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac23579bcb
[   56.436691] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.436733] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.436775] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7ff2aea0
[   56.436813] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ff2b8c0
| [   56.436938] ------------[ cut here ]------------
| [   56.436964] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/440
| [   56.437011] Modules linked in: unix_diag
| [   56.437090] Tainted: [W]=WARN
[   56.437110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.437145] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.437171] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.437263] RSP: 0018:ff6ea73100683ca8 EFLAGS: 00010286
[   56.437291] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.437339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01850600
[   56.437381] RBP: 0000000000000000 R08: ff18c0ab033de090 R09: ff18c0ab04601034
[   56.437422] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[   56.437462] R13: 0000000000000010 R14: ff18c0ab0302c000 R15: ff18c0ab01850600
[   56.437505] FS:  00007fac232b7840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   56.437548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.437584] CR2: 00007fac234c17d0 CR3: 000000000906b005 CR4: 0000000000771ef0
[   56.437626] PKRU: 55555554
[   56.437642] Call Trace:
[   56.437660]  <TASK>
[   56.437675]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.437698]  register_netdevice (net/core/dev.c:11488)
[   56.437717]  register_netdev (net/core/dev.c:11552)
[   56.437738]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   56.437760]  ops_init (net/core/net_namespace.c:137)
[   56.437781]  setup_net (net/core/net_namespace.c:446)
[   56.437802]  copy_net_ns (net/core/net_namespace.c:579)
[   56.437824]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.437855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.437881]  ksys_unshare (kernel/fork.c:3243)
[   56.437900]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.437920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.437940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.437968] RIP: 0033:0x7fac23579bcb
[   56.437990] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.438085] RSP: 002b:00007ffd7ff28c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.438131] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac23579bcb
[   56.438173] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.438223] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.438267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7ff2aea0
[   56.438306] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ff2b8c0
| [   56.438427] ------------[ cut here ]------------
| [   56.438453] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/440
| [   56.438496] Modules linked in: unix_diag
| [   56.438577] Tainted: [W]=WARN
[   56.438596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.438633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.438664] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.438753] RSP: 0018:ff6ea73100683ca0 EFLAGS: 00010286
[   56.438782] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.438822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01931400
[   56.438861] RBP: 0000000000000000 R08: ff18c0ab0326ad90 R09: ff18c0ab03396030
[   56.438901] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   56.438942] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab01931400
[   56.438981] FS:  00007fac232b7840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   56.439017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.439048] CR2: 00007fac234c17d0 CR3: 000000000906b005 CR4: 0000000000771ef0
[   56.439093] PKRU: 55555554
[   56.439107] Call Trace:
[   56.439119]  <TASK>
[   56.439134]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.439156]  register_netdevice (net/core/dev.c:11488)
[   56.439177]  register_netdev (net/core/dev.c:11552)
[   56.439197]  sit_init_net (net/ipv6/sit.c:1860)
[   56.439219]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   56.439240]  ops_init (net/core/net_namespace.c:137)
[   56.439260]  setup_net (net/core/net_namespace.c:446)
[   56.439280]  copy_net_ns (net/core/net_namespace.c:579)
[   56.439300]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.439328]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.439355]  ksys_unshare (kernel/fork.c:3243)
[   56.439374]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.439396]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.439414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.439441] RIP: 0033:0x7fac23579bcb
[   56.439462] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.439560] RSP: 002b:00007ffd7ff28c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.439600] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac23579bcb
[   56.439640] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.439674] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.439714] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7ff2aea0
[   56.439754] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ff2b8c0
| [   56.439873] ------------[ cut here ]------------
| [   56.439899] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ip/440
| [   56.439941] Modules linked in: unix_diag
| [   56.440015] Tainted: [W]=WARN
[   56.440036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.440070] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.440098] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.440177] RSP: 0018:ff6ea73100683ca8 EFLAGS: 00010286
[   56.440201] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.440243] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab018fdf00
[   56.440287] RBP: 0000000000000000 R08: ff18c0ab0197d6d0 R09: ff18c0ab04600030
[   56.440328] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   56.440360] R13: 0000000000000010 R14: ff18c0ab03396000 R15: ff18c0ab018fdf00
[   56.440399] FS:  00007fac232b7840(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   56.440431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.440470] CR2: 00007fac234c17d0 CR3: 000000000906b005 CR4: 0000000000771ef0
[   56.440512] PKRU: 55555554
[   56.440528] Call Trace:
[   56.440541]  <TASK>
[   56.440557]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.440577]  register_netdevice (net/core/dev.c:11488)
[   56.440599]  register_netdev (net/core/dev.c:11552)
[   56.440621]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   56.440644]  ops_init (net/core/net_namespace.c:137)
[   56.440676]  setup_net (net/core/net_namespace.c:446)
[   56.440698]  copy_net_ns (net/core/net_namespace.c:579)
[   56.440719]  create_new_namespaces (kernel/nsproxy.c:132)
[   56.440750]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   56.440778]  ksys_unshare (kernel/fork.c:3243)
[   56.440802]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   56.440821]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.440845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.440874] RIP: 0033:0x7fac23579bcb
[   56.440896] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   56.440999] RSP: 002b:00007ffd7ff28c78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   56.441043] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fac23579bcb
[   56.441085] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   56.441135] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   56.441180] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd7ff2aea0
[   56.441222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7ff2b8c0
| [   56.444708] ------------[ cut here ]------------
| [   56.444742] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/441
| [   56.444798] Modules linked in: unix_diag
| [   56.444883] Tainted: [W]=WARN
[   56.444905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.444941] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.444971] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.445067] RSP: 0018:ff6ea731006fb720 EFLAGS: 00010286
[   56.445096] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   56.445140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab045ca700
[   56.445182] RBP: 0000000000000000 R08: ff18c0ab03227810 R09: ff18c0ab0607702c
[   56.445221] R10: ff18c0ab04604120 R11: fefefefefefefeff R12: 0000000000000000
[   56.445259] R13: 0000000000000010 R14: ff18c0ab04604000 R15: ff18c0ab045ca700
[   56.445306] FS:  00007fcf41f57840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   56.445351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.445387] CR2: 00000000300a7988 CR3: 000000000317d002 CR4: 0000000000771ef0
[   56.445427] PKRU: 55555554
[   56.445441] Call Trace:
[   56.445454]  <TASK>
[   56.445466]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.445491]  __dev_notify_flags (net/core/dev.c:9787)
[   56.445513]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   56.445540]  netif_change_flags (net/core/dev.c:9820)
[   56.445563]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.445585]  ? __nla_validate_parse (lib/nlattr.c:620)
[   56.445616]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   56.445638]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   56.445661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   56.445693]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.445715]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   56.445738]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   56.445763]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.445784]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.445808]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.445827]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.445847]  ___sys_sendmsg (net/socket.c:2752)
[   56.445871]  __sys_sendmsg (net/socket.c:2784)
[   56.445893]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.445915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.445944] RIP: 0033:0x7fcf4219108e
[   56.445967] 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
[   56.446070] RSP: 002b:00007ffdaaa48490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.446115] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcf4219108e
[   56.446155] RDX: 0000000000000000 RSI: 00007ffdaaa48540 RDI: 0000000000000005
[   56.446201] RBP: 00007ffdaaa484a0 R08: 0000000000000000 R09: 0000000000000000
[   56.446246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d324
[   56.446290] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdaaa48c10
| [   56.452693] ------------[ cut here ]------------
| [   56.452783] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.452881] Modules linked in: unix_diag
| [   56.453039] Tainted: [W]=WARN
[   56.453094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.453205] Workqueue: netns cleanup_net
[   56.453263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.453323] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.453450] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   56.453546] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   56.453630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.453714] RBP: 0000000000000000 R08: ff18c0ab032524d0 R09: ff18c0ab0302b02c
[   56.453787] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   56.453862] R13: 0000000000000010 R14: ff18c0ab01881000 R15: ff18c0ab0193b500
[   56.453941] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.454020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.454090] CR2: 00007ff488b35888 CR3: 0000000007750006 CR4: 0000000000771ef0
[   56.454170] PKRU: 55555554
[   56.454246] Call Trace:
[   56.454298]  <TASK>
[   56.454374]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   56.454458]  netif_close_many (net/core/dev.c:1804)
[   56.454516]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   56.454589]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   56.454649]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.454718]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.454783]  cleanup_net (net/core/net_namespace.c:702)
[   56.454843]  process_one_work (kernel/workqueue.c:3314)
[   56.454901]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.454960]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.455019]  kthread (kernel/kthread.c:436)
[   56.455078]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.455135]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.455222]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.455318]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.455612] ------------[ cut here ]------------
| [   56.455687] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   56.455802] Modules linked in: unix_diag
| [   56.455952] Tainted: [W]=WARN
[   56.456009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.456081] Workqueue: netns cleanup_net
[   56.456137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.456201] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   56.456332] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   56.456396] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   56.456504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0193b500
[   56.456588] RBP: 0000000000000000 R08: ff18c0ab032524d0 R09: ff18c0ab0781b02c
[   56.456673] R10: ff18c0ab01881120 R11: fefefefefefefeff R12: 0000000000000000
[   56.456751] R13: 0000000000000011 R14: ff18c0ab01881000 R15: ff18c0ab0193b500
[   56.456835] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   56.456919] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.457023] CR2: 00007ff488b35888 CR3: 0000000007750006 CR4: 0000000000771ef0
[   56.457111] PKRU: 55555554
[   56.457186] Call Trace:
[   56.457237]  <TASK>
[   56.457290]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   56.457395]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   56.457491]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   56.457552]  cleanup_net (net/core/net_namespace.c:702)
[   56.457611]  process_one_work (kernel/workqueue.c:3314)
[   56.457682]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.457768]  ? rescuer_thread (kernel/workqueue.c:3672)
[   56.457835]  kthread (kernel/kthread.c:436)
[   56.457894]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.457953]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.458009]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   56.458072]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.481821] ------------[ cut here ]------------
| [   59.481880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.481948] Modules linked in: unix_diag
| [   59.482041] Tainted: [W]=WARN
[   59.482065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.482101] Workqueue: netns cleanup_net
[   59.482131] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.482164] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.482263] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   59.482294] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.482336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab075cac00
[   59.482378] RBP: 0000000000000000 R08: ff18c0ab0197d6d0 R09: ff18c0ab078f5030
[   59.482421] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   59.482465] R13: 0000000000000011 R14: ff18c0ab03396000 R15: ff18c0ab075cac00
[   59.482512] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.482568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.482613] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.482673] PKRU: 55555554
[   59.482690] Call Trace:
[   59.482706]  <TASK>
[   59.482723]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.482760]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   59.482784]  cleanup_net (net/core/net_namespace.c:702)
[   59.482808]  process_one_work (kernel/workqueue.c:3314)
[   59.482834]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.482855]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.482876]  kthread (kernel/kthread.c:436)
[   59.482901]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.482926]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.482952]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.482974]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.483190] ------------[ cut here ]------------
| [   59.483233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.483294] Modules linked in: unix_diag
| [   59.483377] Tainted: [W]=WARN
[   59.483396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.483439] Workqueue: netns cleanup_net
[   59.483466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.483496] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.483596] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   59.483626] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.483682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0755c600
[   59.483725] RBP: 0000000000000000 R08: ff18c0ab0326ad90 R09: ff18c0ab078ea830
[   59.483772] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   59.483813] R13: 0000000000000011 R14: ff18c0ab04601000 R15: ff18c0ab0755c600
[   59.483858] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.483905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.483940] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.483983] PKRU: 55555554
[   59.483998] Call Trace:
[   59.484012]  <TASK>
[   59.484029]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.484060]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   59.484083]  cleanup_net (net/core/net_namespace.c:702)
[   59.484107]  process_one_work (kernel/workqueue.c:3314)
[   59.484131]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.484153]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.484176]  kthread (kernel/kthread.c:436)
[   59.484202]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.484225]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.484250]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.484274]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.484468] ------------[ cut here ]------------
| [   59.484517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.484615] Modules linked in: unix_diag
| [   59.484758] Tainted: [W]=WARN
[   59.484784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.484868] Workqueue: netns cleanup_net
[   59.484921] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.484951] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.485081] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   59.485133] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.485201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab078a7d00
[   59.485243] RBP: 0000000000000000 R08: ff18c0ab033de090 R09: ff18c0ab093e4834
[   59.485306] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[   59.485368] R13: 0000000000000011 R14: ff18c0ab0302c000 R15: ff18c0ab078a7d00
[   59.485411] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.485455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.485486] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.485526] PKRU: 55555554
[   59.485546] Call Trace:
[   59.485561]  <TASK>
[   59.485579]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.485609]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   59.485633]  cleanup_net (net/core/net_namespace.c:702)
[   59.485662]  process_one_work (kernel/workqueue.c:3314)
[   59.485684]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.485710]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.485733]  kthread (kernel/kthread.c:436)
[   59.485757]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.485779]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.485802]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.485823]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.486002] ------------[ cut here ]------------
| [   59.486038] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.486098] Modules linked in: unix_diag
| [   59.486178] Tainted: [W]=WARN
[   59.486199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.486235] Workqueue: netns cleanup_net
[   59.486259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.486290] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.486381] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   59.486409] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.486460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab082c4d00
[   59.486501] RBP: 0000000000000000 R08: ff18c0ab03252610 R09: ff18c0ab06175830
[   59.486555] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   59.486606] R13: 0000000000000011 R14: ff18c0ab01884000 R15: ff18c0ab082c4d00
[   59.486648] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.486698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.486736] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.486779] PKRU: 55555554
[   59.486798] Call Trace:
[   59.486813]  <TASK>
[   59.486828]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.486858]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   59.486880]  cleanup_net (net/core/net_namespace.c:702)
[   59.486903]  process_one_work (kernel/workqueue.c:3314)
[   59.486925]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.486946]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.486969]  kthread (kernel/kthread.c:436)
[   59.486993]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.487015]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.487036]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.487061]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.487237] ------------[ cut here ]------------
| [   59.487276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.487336] Modules linked in: unix_diag
| [   59.487415] Tainted: [W]=WARN
[   59.487439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.487479] Workqueue: netns cleanup_net
[   59.487502] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.487538] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.487631] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   59.487670] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.487713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04467a00
[   59.487757] RBP: 0000000000000000 R08: ff18c0ab01db9750 R09: ff18c0ab079a6030
[   59.487799] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   59.487842] R13: 0000000000000011 R14: ff18c0ab04602000 R15: ff18c0ab04467a00
[   59.487883] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.487927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.487963] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.488003] PKRU: 55555554
[   59.488018] Call Trace:
[   59.488032]  <TASK>
[   59.488053]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.488086]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   59.488109]  cleanup_net (net/core/net_namespace.c:702)
[   59.488135]  process_one_work (kernel/workqueue.c:3314)
[   59.488159]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.488179]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.488205]  kthread (kernel/kthread.c:436)
[   59.488229]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.488251]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.488277]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.488300]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.495342] ------------[ cut here ]------------
| [   59.495412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/457
| [   59.495499] Modules linked in: unix_diag
| [   59.495655] Tainted: [W]=WARN
[   59.495733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.495815] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.495882] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.496005] RSP: 0018:ff6ea73100703cb8 EFLAGS: 00010286
[   59.496070] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.496146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab078a7700
[   59.496223] RBP: 0000000000000000 R08: ff18c0ab033bb590 R09: ff18c0ab0460302c
[   59.496296] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   59.496373] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab078a7700
[   59.496453] FS:  00007fe51d34e840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   59.496540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.496616] CR2: 00007ffe12170ff0 CR3: 00000000083f8006 CR4: 0000000000771ef0
[   59.496709] PKRU: 55555554
[   59.496758] Call Trace:
[   59.496808]  <TASK>
[   59.496858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.496918]  register_netdevice (net/core/dev.c:11488)
[   59.496978]  register_netdev (net/core/dev.c:11552)
[   59.497037]  loopback_net_init (drivers/net/loopback.c:218)
[   59.497099]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   59.497167]  ops_init (net/core/net_namespace.c:137)
[   59.497229]  setup_net (net/core/net_namespace.c:446)
[   59.497288]  copy_net_ns (net/core/net_namespace.c:579)
[   59.497348]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.497417]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.497481]  ksys_unshare (kernel/fork.c:3243)
[   59.497550]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.497609]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.497677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.497747] RIP: 0033:0x7fe51d610bcb
[   59.497804] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   59.497940] RSP: 002b:00007ffe12171cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.498017] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe51d610bcb
[   59.498097] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.498175] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.498255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe12173f00
[   59.498339] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe121748c0
| [   59.498554] ------------[ cut here ]------------
| [   59.498594] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.498661] Modules linked in: unix_diag
| [   59.498743] Tainted: [W]=WARN
[   59.498765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.498806] Workqueue: netns cleanup_net
[   59.498829] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.498858] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.498959] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   59.498987] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   59.499030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab074c9500
[   59.499071] RBP: 0000000000000000 R08: ff18c0ab03227810 R09: ff18c0ab0460202c
[   59.499111] R10: ff18c0ab04604120 R11: fefefefefefefeff R12: 0000000000000000
[   59.499153] R13: 0000000000000010 R14: ff18c0ab04604000 R15: ff18c0ab074c9500
[   59.499194] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.499236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.499272] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.499317] PKRU: 55555554
[   59.499330] Call Trace:
[   59.499346]  <TASK>
[   59.499365]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.499388]  netif_close_many (net/core/dev.c:1804)
[   59.499410]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   59.499439]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   59.499471]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   59.499498]  cleanup_net (net/core/net_namespace.c:702)
[   59.499525]  process_one_work (kernel/workqueue.c:3314)
[   59.499552]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.499575]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.499598]  kthread (kernel/kthread.c:436)
[   59.499619]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.499643]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.499668]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.499693]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.499833] ------------[ cut here ]------------
| [   59.499864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   59.499922] Modules linked in: unix_diag
| [   59.500010] Tainted: [W]=WARN
[   59.500030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.500070] Workqueue: netns cleanup_net
[   59.500096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.500127] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.500219] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   59.500246] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.500288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04557300
[   59.500334] RBP: 0000000000000000 R08: ff18c0ab03227810 R09: ff18c0ab0604602c
[   59.500377] R10: ff18c0ab04604120 R11: fefefefefefefeff R12: 0000000000000000
[   59.500421] R13: 0000000000000011 R14: ff18c0ab04604000 R15: ff18c0ab04557300
[   59.500461] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   59.500506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.500546] CR2: 000055dfbb639778 CR3: 0000000033447001 CR4: 0000000000771ef0
[   59.500595] PKRU: 55555554
[   59.500609] Call Trace:
[   59.500624]  <TASK>
[   59.500639]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   59.500679]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   59.500900]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   59.500926]  cleanup_net (net/core/net_namespace.c:702)
[   59.500950]  process_one_work (kernel/workqueue.c:3314)
[   59.500973]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   59.500997]  ? rescuer_thread (kernel/workqueue.c:3672)
[   59.501035]  kthread (kernel/kthread.c:436)
[   59.501058]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.501081]  ret_from_fork (arch/x86/kernel/process.c:158)
[   59.501108]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   59.501130]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.501306] ------------[ cut here ]------------
| [   59.501374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/457
| [   59.501462] Modules linked in: unix_diag
| [   59.501620] Tainted: [W]=WARN
[   59.501689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.501764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.501831] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.501959] RSP: 0018:ff6ea73100703c10 EFLAGS: 00010286
[   59.502026] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.502103] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04467000
[   59.502181] RBP: 0000000000000000 R08: ff18c0ab03238e50 R09: ff18c0ab04651830
[   59.502260] R10: ff18c0ab04603120 R11: fefefefefefefeff R12: 0000000000000000
[   59.502336] R13: 0000000000000010 R14: ff18c0ab04603000 R15: ff18c0ab04467000
[   59.502416] FS:  00007fe51d34e840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   59.502495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.502569] CR2: 00007ffe12170ff0 CR3: 00000000083f8006 CR4: 0000000000771ef0
[   59.502648] PKRU: 55555554
[   59.502702] Call Trace:
[   59.502752]  <TASK>
[   59.502803]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.502865]  register_netdevice (net/core/dev.c:11488)
[   59.502926]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.502989]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.503051]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   59.503112]  ops_init (net/core/net_namespace.c:137)
[   59.503173]  setup_net (net/core/net_namespace.c:446)
[   59.503233]  copy_net_ns (net/core/net_namespace.c:579)
[   59.503296]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.503363]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.503431]  ksys_unshare (kernel/fork.c:3243)
[   59.503489]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.503555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.503620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.503698] RIP: 0033:0x7fe51d610bcb
[   59.503760] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   59.503882] RSP: 002b:00007ffe12171cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.503962] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe51d610bcb
[   59.504036] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.504137] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.504216] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe12173f00
[   59.504292] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe121748c0
| [   59.504552] ------------[ cut here ]------------
| [   59.504616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/457
| [   59.504711] Modules linked in: unix_diag
| [   59.504867] Tainted: [W]=WARN
[   59.504928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.505014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.505083] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.505217] RSP: 0018:ff6ea73100703bf0 EFLAGS: 00010286
[   59.505283] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.505360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab078a3400
[   59.505438] RBP: 0000000000000000 R08: ff18c0ab03240010 R09: ff18c0ab012ab030
[   59.505516] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[   59.505599] R13: 0000000000000010 R14: ff18c0ab0302c000 R15: ff18c0ab078a3400
[   59.505687] FS:  00007fe51d34e840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   59.505767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.505840] CR2: 00007ffe12170ff0 CR3: 00000000083f8006 CR4: 0000000000771ef0
[   59.505920] PKRU: 55555554
[   59.505971] Call Trace:
[   59.506021]  <TASK>
[   59.506071]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.506131]  register_netdevice (net/core/dev.c:11488)
[   59.506190]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   59.506250]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   59.506309]  vti_init_net (net/ipv4/ip_vti.c:517)
[   59.506370]  ops_init (net/core/net_namespace.c:137)
[   59.506432]  setup_net (net/core/net_namespace.c:446)
[   59.506493]  copy_net_ns (net/core/net_namespace.c:579)
[   59.506557]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.506626]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.506704]  ksys_unshare (kernel/fork.c:3243)
[   59.506763]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.506825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.506887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.506956] RIP: 0033:0x7fe51d610bcb
[   59.507014] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   59.507149] RSP: 002b:00007ffe12171cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.507232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe51d610bcb
[   59.507308] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.507385] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.507465] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe12173f00
[   59.507550] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe121748c0
| [   59.507817] ------------[ cut here ]------------
| [   59.507879] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/457
| [   59.507963] Modules linked in: unix_diag
| [   59.508113] Tainted: [W]=WARN
[   59.508184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.508261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.508329] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.508462] RSP: 0018:ff6ea73100703ca8 EFLAGS: 00010286
[   59.508529] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.508616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab075ce000
[   59.508701] RBP: 0000000000000000 R08: ff18c0ab04591e50 R09: ff18c0ab03028034
[   59.508778] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   59.508856] R13: 0000000000000010 R14: ff18c0ab04601000 R15: ff18c0ab075ce000
[   59.508947] FS:  00007fe51d34e840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   59.509030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.509105] CR2: 00007ffe12170ff0 CR3: 00000000083f8006 CR4: 0000000000771ef0
[   59.509183] PKRU: 55555554
[   59.509244] Call Trace:
[   59.509294]  <TASK>
[   59.509344]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.509404]  register_netdevice (net/core/dev.c:11488)
[   59.509464]  register_netdev (net/core/dev.c:11552)
[   59.509525]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   59.509594]  ops_init (net/core/net_namespace.c:137)
[   59.509664]  setup_net (net/core/net_namespace.c:446)
[   59.509732]  copy_net_ns (net/core/net_namespace.c:579)
[   59.509794]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.509861]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.509929]  ksys_unshare (kernel/fork.c:3243)
[   59.509990]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.510051]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.510112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.510183] RIP: 0033:0x7fe51d610bcb
[   59.510244] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   59.510401] RSP: 002b:00007ffe12171cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.510483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe51d610bcb
[   59.510565] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.510673] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.510751] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe12173f00
[   59.510831] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe121748c0
| [   59.511083] ------------[ cut here ]------------
| [   59.511146] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/457
| [   59.511237] Modules linked in: unix_diag
| [   59.511396] Tainted: [W]=WARN
[   59.511455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.511529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.511605] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.511745] RSP: 0018:ff6ea73100703ca0 EFLAGS: 00010286
[   59.511810] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.511888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047b3500
[   59.511969] RBP: 0000000000000000 R08: ff18c0ab032384d0 R09: ff18c0ab01883030
[   59.512047] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   59.512126] R13: 0000000000000010 R14: ff18c0ab03028000 R15: ff18c0ab047b3500
[   59.512209] FS:  00007fe51d34e840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   59.512318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.512387] CR2: 00007ffe12170ff0 CR3: 00000000083f8006 CR4: 0000000000771ef0
[   59.512470] PKRU: 55555554
[   59.512519] Call Trace:
[   59.512576]  <TASK>
[   59.512631]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.512697]  register_netdevice (net/core/dev.c:11488)
[   59.512760]  register_netdev (net/core/dev.c:11552)
[   59.512819]  sit_init_net (net/ipv6/sit.c:1860)
[   59.512882]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   59.512944]  ops_init (net/core/net_namespace.c:137)
[   59.513002]  setup_net (net/core/net_namespace.c:446)
[   59.513064]  copy_net_ns (net/core/net_namespace.c:579)
[   59.513126]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.513193]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.513257]  ksys_unshare (kernel/fork.c:3243)
[   59.513315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.513377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.513439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.513503] RIP: 0033:0x7fe51d610bcb
[   59.513565] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   59.513708] RSP: 002b:00007ffe12171cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.513784] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe51d610bcb
[   59.513864] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.513940] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.514020] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe12173f00
[   59.514122] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe121748c0
| [   59.514380] ------------[ cut here ]------------
| [   59.514448] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/457
| [   59.514538] Modules linked in: unix_diag
| [   59.514697] Tainted: [W]=WARN
[   59.514755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.514830] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.514895] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.515019] RSP: 0018:ff6ea73100703ca8 EFLAGS: 00010286
[   59.515085] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   59.515164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0841aa00
[   59.515240] RBP: 0000000000000000 R08: ff18c0ab0326ad50 R09: ff18c0ab0302b030
[   59.515316] R10: ff18c0ab01883120 R11: fefefefefefefeff R12: 0000000000000000
[   59.515392] R13: 0000000000000010 R14: ff18c0ab01883000 R15: ff18c0ab0841aa00
[   59.515473] FS:  00007fe51d34e840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   59.515558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.515630] CR2: 00007ffe12170ff0 CR3: 00000000083f8006 CR4: 0000000000771ef0
[   59.515713] PKRU: 55555554
[   59.515762] Call Trace:
[   59.515812]  <TASK>
[   59.515862]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.515923]  register_netdevice (net/core/dev.c:11488)
[   59.515983]  register_netdev (net/core/dev.c:11552)
[   59.516043]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   59.516105]  ops_init (net/core/net_namespace.c:137)
[   59.516180]  setup_net (net/core/net_namespace.c:446)
[   59.516240]  copy_net_ns (net/core/net_namespace.c:579)
[   59.516305]  create_new_namespaces (kernel/nsproxy.c:132)
[   59.516368]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   59.516434]  ksys_unshare (kernel/fork.c:3243)
[   59.516491]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   59.516558]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.516620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.516695] RIP: 0033:0x7fe51d610bcb
[   59.516756] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   59.516890] RSP: 002b:00007ffe12171cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   59.516971] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe51d610bcb
[   59.517046] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   59.517127] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   59.517203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe12173f00
[   59.517280] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe121748c0
| [   59.520910] ------------[ cut here ]------------
| [   59.520946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/458
| [   59.520998] Modules linked in: unix_diag
| [   59.521074] Tainted: [W]=WARN
[   59.521096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.521133] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   59.521162] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   59.521250] RSP: 0018:ff6ea73100773720 EFLAGS: 00010286
[   59.521276] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   59.521317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08bae300
[   59.521357] RBP: 0000000000000000 R08: ff18c0ab033bb590 R09: ff18c0ab0607302c
[   59.521401] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   59.521446] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab08bae300
[   59.521492] FS:  00007ff311190840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   59.521559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.521592] CR2: 00007ff3114601a0 CR3: 000000000844e004 CR4: 0000000000771ef0
[   59.521631] PKRU: 55555554
[   59.521645] Call Trace:
[   59.521663]  <TASK>
[   59.521678]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   59.521700]  __dev_notify_flags (net/core/dev.c:9787)
[   59.521726]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   59.521745]  netif_change_flags (net/core/dev.c:9820)
[   59.521766]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   59.521788]  ? __nla_validate_parse (lib/nlattr.c:620)
[   59.521822]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   59.521845]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   59.521867]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   59.521893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   59.521915]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   59.521936]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   59.521965]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   59.521986]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.522006]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   59.522027]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   59.522050]  ___sys_sendmsg (net/socket.c:2752)
[   59.522071]  __sys_sendmsg (net/socket.c:2784)
[   59.522091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   59.522111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.522141] RIP: 0033:0x7ff3113ca08e
[   59.522161] 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
[   59.522244] RSP: 002b:00007ffeb4ce66b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.522293] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff3113ca08e
[   59.522331] RDX: 0000000000000000 RSI: 00007ffeb4ce6760 RDI: 0000000000000005
[   59.522367] RBP: 00007ffeb4ce66c0 R08: 0000000000000000 R09: 0000000000000000
[   59.522403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d327
[   59.522440] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb4ce6e30
| [   64.558909] ------------[ cut here ]------------
| [   64.558978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.559053] Modules linked in: unix_diag
| [   64.559141] Tainted: [W]=WARN
[   64.559163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.559216] Workqueue: netns cleanup_net
[   64.559242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.559271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.559365] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   64.559394] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.559449] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0475de00
[   64.559493] RBP: 0000000000000000 R08: ff18c0ab0326ad50 R09: ff18c0ab0301e830
[   64.559533] R10: ff18c0ab01883120 R11: fefefefefefefeff R12: 0000000000000000
[   64.559582] R13: 0000000000000011 R14: ff18c0ab01883000 R15: ff18c0ab0475de00
[   64.559626] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.559671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.559706] CR2: 00007f8548dc2870 CR3: 0000000009067006 CR4: 0000000000771ef0
[   64.559749] PKRU: 55555554
[   64.559764] Call Trace:
[   64.559779]  <TASK>
[   64.559796]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.559825]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   64.559845]  cleanup_net (net/core/net_namespace.c:702)
[   64.559869]  process_one_work (kernel/workqueue.c:3314)
[   64.559893]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.559914]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.559934]  kthread (kernel/kthread.c:436)
[   64.559959]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.559981]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.560005]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.560026]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.560181] ------------[ cut here ]------------
| [   64.560209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.560269] Modules linked in: unix_diag
| [   64.560341] Tainted: [W]=WARN
[   64.560364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.560398] Workqueue: netns cleanup_net
[   64.560419] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.560453] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.560541] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   64.560571] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.560612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab03318900
[   64.560655] RBP: 0000000000000000 R08: ff18c0ab032384d0 R09: ff18c0ab0875b030
[   64.560699] R10: ff18c0ab03028120 R11: fefefefefefefeff R12: 0000000000000000
[   64.560743] R13: 0000000000000011 R14: ff18c0ab03028000 R15: ff18c0ab03318900
[   64.560784] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.560828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.560862] CR2: 00007f8548dc2870 CR3: 0000000009067006 CR4: 0000000000771ef0
[   64.560907] PKRU: 55555554
[   64.560921] Call Trace:
[   64.560932]  <TASK>
[   64.560944]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.560971]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   64.560991]  cleanup_net (net/core/net_namespace.c:702)
[   64.561013]  process_one_work (kernel/workqueue.c:3314)
[   64.561035]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.561061]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.561083]  kthread (kernel/kthread.c:436)
[   64.561113]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.561133]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.561160]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.561180]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.561297] ------------[ cut here ]------------
| [   64.561325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.561384] Modules linked in: unix_diag
| [   64.561461] Tainted: [W]=WARN
[   64.561480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.561511] Workqueue: netns cleanup_net
[   64.561535] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.561579] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.561668] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   64.561701] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.561741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab033bcd00
[   64.561783] RBP: 0000000000000000 R08: ff18c0ab04591e50 R09: ff18c0ab0606e834
[   64.561828] R10: ff18c0ab04601120 R11: fefefefefefefeff R12: 0000000000000000
[   64.561872] R13: 0000000000000011 R14: ff18c0ab04601000 R15: ff18c0ab033bcd00
[   64.561914] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.561959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.561995] CR2: 00007f8548dc2870 CR3: 0000000033447004 CR4: 0000000000771ef0
[   64.562040] PKRU: 55555554
[   64.562054] Call Trace:
[   64.562066]  <TASK>
[   64.562088]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.562116]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   64.562137]  cleanup_net (net/core/net_namespace.c:702)
[   64.562159]  process_one_work (kernel/workqueue.c:3314)
[   64.562181]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.562200]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.562223]  kthread (kernel/kthread.c:436)
[   64.562246]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.562270]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.562293]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.562315]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.562423] ------------[ cut here ]------------
| [   64.562451] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.562510] Modules linked in: unix_diag
| [   64.562591] Tainted: [W]=WARN
[   64.562610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.562641] Workqueue: netns cleanup_net
[   64.562668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.562696] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.562782] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   64.562806] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.562845] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab033bc600
[   64.562886] RBP: 0000000000000000 R08: ff18c0ab03240010 R09: ff18c0ab08758830
[   64.562930] R10: ff18c0ab0302c120 R11: fefefefefefefeff R12: 0000000000000000
[   64.562969] R13: 0000000000000011 R14: ff18c0ab0302c000 R15: ff18c0ab033bc600
[   64.563010] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.563051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.563084] CR2: 00007f8548dc2870 CR3: 0000000033447004 CR4: 0000000000771ef0
[   64.563126] PKRU: 55555554
[   64.563141] Call Trace:
[   64.563158]  <TASK>
[   64.563170]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.563196]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   64.563218]  cleanup_net (net/core/net_namespace.c:702)
[   64.563238]  process_one_work (kernel/workqueue.c:3314)
[   64.563261]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.563285]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.563308]  kthread (kernel/kthread.c:436)
[   64.563330]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.563354]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.563374]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.563397]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.563501] ------------[ cut here ]------------
| [   64.563526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.563581] Modules linked in: unix_diag
| [   64.563656] Tainted: [W]=WARN
[   64.563684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.563719] Workqueue: netns cleanup_net
[   64.563748] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.563775] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.563868] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   64.563895] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.563931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab09353a00
[   64.563988] RBP: 0000000000000000 R08: ff18c0ab03238e50 R09: ff18c0ab09232030
[   64.564027] R10: ff18c0ab04603120 R11: fefefefefefefeff R12: 0000000000000000
[   64.564067] R13: 0000000000000011 R14: ff18c0ab04603000 R15: ff18c0ab09353a00
[   64.564108] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.564153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.564189] CR2: 00007f8548dc2870 CR3: 0000000033447004 CR4: 0000000000771ef0
[   64.564227] PKRU: 55555554
[   64.564252] Call Trace:
[   64.564270]  <TASK>
[   64.564283]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.564310]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   64.564333]  cleanup_net (net/core/net_namespace.c:702)
[   64.564354]  process_one_work (kernel/workqueue.c:3314)
[   64.564374]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.564397]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.564418]  kthread (kernel/kthread.c:436)
[   64.564441]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.564467]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.564487]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.564510]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.567247] ------------[ cut here ]------------
| [   64.567288] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/474
| [   64.567346] Modules linked in: unix_diag
| [   64.567429] Tainted: [W]=WARN
[   64.567451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.567487] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.567520] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.567631] RSP: 0018:ff6ea7310079bcb8 EFLAGS: 00010286
[   64.567663] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.567705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08bafc00
[   64.567746] RBP: 0000000000000000 R08: ff18c0ab032962d0 R09: ff18c0ab0460202c
[   64.567791] R10: ff18c0ab06070120 R11: fefefefefefefeff R12: 0000000000000000
[   64.567835] R13: 0000000000000010 R14: ff18c0ab06070000 R15: ff18c0ab08bafc00
[   64.567877] FS:  00007fe1f268e840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   64.567921] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.567955] CR2: 00007fe1f288fc20 CR3: 0000000008407005 CR4: 0000000000771ef0
[   64.568007] PKRU: 55555554
[   64.568023] Call Trace:
[   64.568041]  <TASK>
[   64.568056]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.568080]  register_netdevice (net/core/dev.c:11488)
[   64.568104]  register_netdev (net/core/dev.c:11552)
[   64.568127]  loopback_net_init (drivers/net/loopback.c:218)
[   64.568153]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   64.568182]  ops_init (net/core/net_namespace.c:137)
[   64.568209]  setup_net (net/core/net_namespace.c:446)
[   64.568236]  copy_net_ns (net/core/net_namespace.c:579)
[   64.568260]  create_new_namespaces (kernel/nsproxy.c:132)
[   64.568290]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   64.568320]  ksys_unshare (kernel/fork.c:3243)
[   64.568345]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   64.568368]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.568392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.568422] RIP: 0033:0x7fe1f2950bcb
[   64.568451] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.568563] RSP: 002b:00007ffee8e2ebc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   64.568605] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f2950bcb
[   64.568649] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   64.568697] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   64.568743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee8e30df0
[   64.568788] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee8e318c0
| [   64.568930] ------------[ cut here ]------------
| [   64.568959] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/474
| [   64.569010] Modules linked in: unix_diag
| [   64.569092] Tainted: [W]=WARN
[   64.569115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.569150] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.569179] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.569275] RSP: 0018:ff6ea7310079bc10 EFLAGS: 00010286
[   64.569304] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.569347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01974e00
[   64.569389] RBP: 0000000000000000 R08: ff18c0ab03240910 R09: ff18c0ab06175830
[   64.569435] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   64.569480] R13: 0000000000000010 R14: ff18c0ab04602000 R15: ff18c0ab01974e00
[   64.569526] FS:  00007fe1f268e840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   64.569581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.569613] CR2: 00007fe1f288fc20 CR3: 0000000008407005 CR4: 0000000000771ef0
[   64.569662] PKRU: 55555554
[   64.569679] Call Trace:
[   64.569694]  <TASK>
[   64.569711]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.569734]  register_netdevice (net/core/dev.c:11488)
[   64.569756]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   64.569782]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   64.569807]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   64.569831]  ops_init (net/core/net_namespace.c:137)
[   64.569855]  setup_net (net/core/net_namespace.c:446)
[   64.569877]  copy_net_ns (net/core/net_namespace.c:579)
[   64.569901]  create_new_namespaces (kernel/nsproxy.c:132)
[   64.569930]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   64.569956]  ksys_unshare (kernel/fork.c:3243)
[   64.569983]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   64.570005]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.570029]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.570058] RIP: 0033:0x7fe1f2950bcb
[   64.570084] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.570191] RSP: 002b:00007ffee8e2ebc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   64.570238] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f2950bcb
[   64.570284] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   64.570329] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   64.570370] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee8e30df0
[   64.570409] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee8e318c0
| [   64.570557] ------------[ cut here ]------------
| [   64.570585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/474
| [   64.570638] Modules linked in: unix_diag
| [   64.570727] Tainted: [W]=WARN
[   64.570753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.570787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.570816] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.570909] RSP: 0018:ff6ea7310079bbf0 EFLAGS: 00010286
[   64.570936] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.570977] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab074c9300
[   64.571018] RBP: 0000000000000000 R08: ff18c0ab033bb350 R09: ff18c0ab08358030
[   64.571062] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   64.571102] R13: 0000000000000010 R14: ff18c0ab01884000 R15: ff18c0ab074c9300
[   64.571144] FS:  00007fe1f268e840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   64.571195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.571235] CR2: 00007fe1f288fc20 CR3: 0000000008407005 CR4: 0000000000771ef0
[   64.571283] PKRU: 55555554
[   64.571299] Call Trace:
[   64.571313]  <TASK>
[   64.571331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.571355]  register_netdevice (net/core/dev.c:11488)
[   64.571379]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   64.571404]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   64.571430]  vti_init_net (net/ipv4/ip_vti.c:517)
[   64.571452]  ops_init (net/core/net_namespace.c:137)
[   64.571475]  setup_net (net/core/net_namespace.c:446)
[   64.571498]  copy_net_ns (net/core/net_namespace.c:579)
[   64.571524]  create_new_namespaces (kernel/nsproxy.c:132)
[   64.571558]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   64.571589]  ksys_unshare (kernel/fork.c:3243)
[   64.571612]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   64.571633]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.571664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.571692] RIP: 0033:0x7fe1f2950bcb
[   64.571717] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.571820] RSP: 002b:00007ffee8e2ebc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   64.571861] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f2950bcb
[   64.571902] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   64.571947] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   64.571989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee8e30df0
[   64.572029] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee8e318c0
| [   64.572184] ------------[ cut here ]------------
| [   64.572215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/474
| [   64.572268] Modules linked in: unix_diag
| [   64.572348] Tainted: [W]=WARN
[   64.572370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.572409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.572440] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.572543] RSP: 0018:ff6ea7310079bca8 EFLAGS: 00010286
[   64.572573] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.572623] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0755ce00
[   64.572674] RBP: 0000000000000000 R08: ff18c0ab03252490 R09: ff18c0ab02eac034
[   64.572715] R10: ff18c0ab04606120 R11: fefefefefefefeff R12: 0000000000000000
[   64.572756] R13: 0000000000000010 R14: ff18c0ab04606000 R15: ff18c0ab0755ce00
[   64.572799] FS:  00007fe1f268e840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   64.572842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.572880] CR2: 00007fe1f288fc20 CR3: 0000000008407005 CR4: 0000000000771ef0
[   64.572921] PKRU: 55555554
[   64.572936] Call Trace:
[   64.572953]  <TASK>
[   64.572967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.572990]  register_netdevice (net/core/dev.c:11488)
[   64.573017]  register_netdev (net/core/dev.c:11552)
[   64.573039]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   64.573062]  ops_init (net/core/net_namespace.c:137)
[   64.573086]  setup_net (net/core/net_namespace.c:446)
[   64.573109]  copy_net_ns (net/core/net_namespace.c:579)
[   64.573132]  create_new_namespaces (kernel/nsproxy.c:132)
[   64.573161]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   64.573193]  ksys_unshare (kernel/fork.c:3243)
[   64.573215]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   64.573237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.573259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.573288] RIP: 0033:0x7fe1f2950bcb
[   64.573309] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.573409] RSP: 002b:00007ffee8e2ebc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   64.573450] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f2950bcb
[   64.573493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   64.573532] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   64.573578] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee8e30df0
[   64.573624] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee8e318c0
| [   64.573769] ------------[ cut here ]------------
| [   64.573799] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/474
| [   64.573850] Modules linked in: unix_diag
| [   64.573931] Tainted: [W]=WARN
[   64.573955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.573988] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.574016] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.574120] RSP: 0018:ff6ea7310079bca0 EFLAGS: 00010286
[   64.574149] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.574189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0443b200
[   64.574231] RBP: 0000000000000000 R08: ff18c0ab03240950 R09: ff18c0ab01887030
[   64.574273] R10: ff18c0ab02eac120 R11: fefefefefefefeff R12: 0000000000000000
[   64.574312] R13: 0000000000000010 R14: ff18c0ab02eac000 R15: ff18c0ab0443b200
[   64.574356] FS:  00007fe1f268e840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   64.574396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.574436] CR2: 00007fe1f288fc20 CR3: 0000000008407005 CR4: 0000000000771ef0
[   64.574481] PKRU: 55555554
[   64.574499] Call Trace:
[   64.574516]  <TASK>
[   64.574533]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.574559]  register_netdevice (net/core/dev.c:11488)
[   64.574584]  register_netdev (net/core/dev.c:11552)
[   64.574607]  sit_init_net (net/ipv6/sit.c:1860)
[   64.574630]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   64.574652]  ops_init (net/core/net_namespace.c:137)
[   64.574681]  setup_net (net/core/net_namespace.c:446)
[   64.574703]  copy_net_ns (net/core/net_namespace.c:579)
[   64.574726]  create_new_namespaces (kernel/nsproxy.c:132)
[   64.574757]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   64.574784]  ksys_unshare (kernel/fork.c:3243)
[   64.574808]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   64.574833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.574855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.574890] RIP: 0033:0x7fe1f2950bcb
[   64.574913] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.575014] RSP: 002b:00007ffee8e2ebc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   64.575058] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f2950bcb
[   64.575098] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   64.575139] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   64.575180] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee8e30df0
[   64.575224] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee8e318c0
| [   64.575323] ------------[ cut here ]------------
| [   64.575351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.575403] Modules linked in: unix_diag
| [   64.575479] Tainted: [W]=WARN
[   64.575502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.575533] Workqueue: netns cleanup_net
[   64.575562] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.575591] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.575686] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   64.575713] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   64.575752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08285d00
[   64.575794] RBP: 0000000000000000 R08: ff18c0ab033bb590 R09: ff18c0ab0460302c
[   64.575834] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   64.575876] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab08285d00
[   64.575916] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.575956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.575989] CR2: 00007f8548dc2870 CR3: 0000000033447004 CR4: 0000000000771ef0
[   64.576028] PKRU: 55555554
[   64.576043] Call Trace:
[   64.576055]  <TASK>
[   64.576070]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.576092]  netif_close_many (net/core/dev.c:1804)
[   64.576115]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   64.576142]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   64.576171]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   64.576192]  cleanup_net (net/core/net_namespace.c:702)
[   64.576214]  process_one_work (kernel/workqueue.c:3314)
[   64.576235]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.576255]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.576277]  kthread (kernel/kthread.c:436)
[   64.576297]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.576318]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.576338]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.576359]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.576484] ------------[ cut here ]------------
| [   64.576511] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [   64.576568] Modules linked in: unix_diag
| [   64.576645] Tainted: [W]=WARN
[   64.576668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.576701] Workqueue: netns cleanup_net
[   64.576723] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.576749] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.576838] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   64.576865] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.576907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01907200
[   64.576948] RBP: 0000000000000000 R08: ff18c0ab033bb590 R09: ff18c0ab0339882c
[   64.576989] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   64.577030] R13: 0000000000000011 R14: ff18c0ab03388000 R15: ff18c0ab01907200
[   64.577072] FS:  0000000000000000(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   64.577113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.577144] CR2: 00007f8548dc2870 CR3: 0000000033447004 CR4: 0000000000771ef0
[   64.577181] PKRU: 55555554
[   64.577196] Call Trace:
[   64.577212]  <TASK>
[   64.577228]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   64.577257]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   64.577285]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   64.577308]  cleanup_net (net/core/net_namespace.c:702)
[   64.577329]  process_one_work (kernel/workqueue.c:3314)
[   64.577351]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.577369]  ? rescuer_thread (kernel/workqueue.c:3672)
[   64.577390]  kthread (kernel/kthread.c:436)
[   64.577409]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.577431]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.577452]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   64.577473]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.577638] ------------[ cut here ]------------
| [   64.577676] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/474
| [   64.577730] Modules linked in: unix_diag
| [   64.577816] Tainted: [W]=WARN
[   64.577837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.577872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.577899] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.577996] RSP: 0018:ff6ea7310079bca8 EFLAGS: 00010286
[   64.578026] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   64.578071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08baf000
[   64.578115] RBP: 0000000000000000 R08: ff18c0ab0440ac50 R09: ff18c0ab04601030
[   64.578155] R10: ff18c0ab01887120 R11: fefefefefefefeff R12: 0000000000000000
[   64.578200] R13: 0000000000000010 R14: ff18c0ab01887000 R15: ff18c0ab08baf000
[   64.578249] FS:  00007fe1f268e840(0000) GS:ff18c0abb2048000(0000) knlGS:0000000000000000
[   64.578294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.578333] CR2: 00007fe1f288fc20 CR3: 0000000008407005 CR4: 0000000000771ef0
[   64.578384] PKRU: 55555554
[   64.578402] Call Trace:
[   64.578416]  <TASK>
[   64.578433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.578455]  register_netdevice (net/core/dev.c:11488)
[   64.578481]  register_netdev (net/core/dev.c:11552)
[   64.578505]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   64.578531]  ops_init (net/core/net_namespace.c:137)
[   64.578562]  setup_net (net/core/net_namespace.c:446)
[   64.578586]  copy_net_ns (net/core/net_namespace.c:579)
[   64.578612]  create_new_namespaces (kernel/nsproxy.c:132)
[   64.578644]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   64.578675]  ksys_unshare (kernel/fork.c:3243)
[   64.578700]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   64.578724]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.578749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.578780] RIP: 0033:0x7fe1f2950bcb
[   64.578803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   64.578899] RSP: 002b:00007ffee8e2ebc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   64.578941] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1f2950bcb
[   64.578983] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   64.579024] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   64.579066] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee8e30df0
[   64.579107] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffee8e318c0
| [   64.582468] ------------[ cut here ]------------
| [   64.582535] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/475
| [   64.582637] Modules linked in: unix_diag
| [   64.582807] Tainted: [W]=WARN
[   64.582867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.582941] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.583012] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   64.583139] RSP: 0018:ff6ea7310076b720 EFLAGS: 00010286
[   64.583207] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   64.583283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0826b100
[   64.583364] RBP: 0000000000000000 R08: ff18c0ab032962d0 R09: ff18c0ab0302b02c
[   64.583443] R10: ff18c0ab06070120 R11: fefefefefefefeff R12: 0000000000000000
[   64.583520] R13: 0000000000000010 R14: ff18c0ab06070000 R15: ff18c0ab0826b100
[   64.583607] FS:  00007ff2176b0840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   64.583698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.583773] CR2: 00007ff2179801a0 CR3: 0000000001962006 CR4: 0000000000771ef0
[   64.583857] PKRU: 55555554
[   64.583908] Call Trace:
[   64.583959]  <TASK>
[   64.584011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   64.584075]  __dev_notify_flags (net/core/dev.c:9787)
[   64.584138]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   64.584203]  netif_change_flags (net/core/dev.c:9820)
[   64.584268]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.584334]  ? __nla_validate_parse (lib/nlattr.c:620)
[   64.584408]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   64.584473]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   64.584538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   64.584616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.584687]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   64.584752]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   64.584820]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.584884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.584947]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.585008]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.585072]  ___sys_sendmsg (net/socket.c:2752)
[   64.585134]  __sys_sendmsg (net/socket.c:2784)
[   64.585198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.585262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.585332] RIP: 0033:0x7ff2178ea08e
[   64.585395] 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
[   64.585521] RSP: 002b:00007fff8b2fe320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.585603] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff2178ea08e
[   64.585692] RDX: 0000000000000000 RSI: 00007fff8b2fe3d0 RDI: 0000000000000005
[   64.585776] RBP: 00007fff8b2fe330 R08: 0000000000000000 R09: 0000000000000000
[   64.585853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d32c
[   64.585933] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8b2feaa0
| [   69.621945] ------------[ cut here ]------------
| [   69.622040] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   69.622168] Modules linked in: unix_diag
| [   69.622342] Tainted: [W]=WARN
[   69.622403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.622491] Workqueue: netns cleanup_net
[   69.622564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.622648] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.622808] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   69.622876] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.622999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0190c900
[   69.623102] RBP: 0000000000000000 R08: ff18c0ab0440ac50 R09: ff18c0ab0458a830
[   69.623184] R10: ff18c0ab01887120 R11: fefefefefefefeff R12: 0000000000000000
[   69.623308] R13: 0000000000000011 R14: ff18c0ab01887000 R15: ff18c0ab0190c900
[   69.623420] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   69.623510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.623635] CR2: 000055ba38dd73a8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.623731] PKRU: 55555554
[   69.623780] Call Trace:
[   69.623836]  <TASK>
[   69.623946]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.624060]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.624137]  cleanup_net (net/core/net_namespace.c:702)
[   69.624221]  process_one_work (kernel/workqueue.c:3314)
[   69.624283]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.624349]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.624405]  kthread (kernel/kthread.c:436)
[   69.624461]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.624580]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.624663]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.624779]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.625148] ------------[ cut here ]------------
| [   69.625222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   69.625368] Modules linked in: unix_diag
| [   69.625554] Tainted: [W]=WARN
[   69.625616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.625737] Workqueue: netns cleanup_net
[   69.625796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.625859] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.626047] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   69.626119] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.626261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab018f7b00
[   69.626350] RBP: 0000000000000000 R08: ff18c0ab03240950 R09: ff18c0ab060cd830
[   69.626487] R10: ff18c0ab02eac120 R11: fefefefefefefeff R12: 0000000000000000
[   69.626591] R13: 0000000000000011 R14: ff18c0ab02eac000 R15: ff18c0ab018f7b00
[   69.626716] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   69.626815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.626917] CR2: 000055ba38dd73a8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.627043] PKRU: 55555554
[   69.627103] Call Trace:
[   69.627162]  <TASK>
[   69.627224]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.627325]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.627398]  cleanup_net (net/core/net_namespace.c:702)
[   69.627459]  process_one_work (kernel/workqueue.c:3314)
[   69.627588]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.627650]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.627718]  kthread (kernel/kthread.c:436)
[   69.627833]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.627923]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.628021]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.628105]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.628372] ------------[ cut here ]------------
| [   69.628441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   69.628525] Modules linked in: unix_diag
| [   69.628725] Tainted: [W]=WARN
[   69.628790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.628865] Workqueue: netns cleanup_net
[   69.628935] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.628999] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.629166] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   69.629228] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.629315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab018f7f00
[   69.629393] RBP: 0000000000000000 R08: ff18c0ab03252490 R09: ff18c0ab0875a034
[   69.629473] R10: ff18c0ab04606120 R11: fefefefefefefeff R12: 0000000000000000
[   69.629553] R13: 0000000000000011 R14: ff18c0ab04606000 R15: ff18c0ab018f7f00
[   69.629642] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   69.629739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.629823] CR2: 000055ba38dd73a8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.629908] PKRU: 55555554
[   69.629966] Call Trace:
[   69.630022]  <TASK>
[   69.630084]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.630157]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.630223]  cleanup_net (net/core/net_namespace.c:702)
[   69.630280]  process_one_work (kernel/workqueue.c:3314)
[   69.630338]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.630401]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.630458]  kthread (kernel/kthread.c:436)
[   69.630515]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.630580]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.630638]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.630700]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.630928] ------------[ cut here ]------------
| [   69.630992] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   69.631089] Modules linked in: unix_diag
| [   69.631240] Tainted: [W]=WARN
[   69.631295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.631364] Workqueue: netns cleanup_net
[   69.631421] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.631484] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.631626] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   69.631697] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.631774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab018f7600
[   69.631850] RBP: 0000000000000000 R08: ff18c0ab033bb350 R09: ff18c0ab07882830
[   69.631927] R10: ff18c0ab01884120 R11: fefefefefefefeff R12: 0000000000000000
[   69.632006] R13: 0000000000000011 R14: ff18c0ab01884000 R15: ff18c0ab018f7600
[   69.632087] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   69.632164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.632235] CR2: 000055ba38dd73a8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.632312] PKRU: 55555554
[   69.632361] Call Trace:
[   69.632409]  <TASK>
[   69.632459]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.632522]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.632589]  cleanup_net (net/core/net_namespace.c:702)
[   69.632646]  process_one_work (kernel/workqueue.c:3314)
[   69.632707]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.632764]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.632819]  kthread (kernel/kthread.c:436)
[   69.632876]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.632933]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.632989]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.633046]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.633268] ------------[ cut here ]------------
| [   69.633330] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   69.633422] Modules linked in: unix_diag
| [   69.633579] Tainted: [W]=WARN
[   69.633634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.633710] Workqueue: netns cleanup_net
[   69.633766] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.633829] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.633961] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   69.634023] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.634100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0441ea00
[   69.634176] RBP: 0000000000000000 R08: ff18c0ab03240910 R09: ff18c0ab019c8030
[   69.634256] R10: ff18c0ab04602120 R11: fefefefefefefeff R12: 0000000000000000
[   69.634337] R13: 0000000000000011 R14: ff18c0ab04602000 R15: ff18c0ab0441ea00
[   69.634418] FS:  0000000000000000(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   69.634500] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.634575] CR2: 000055ba38dd73a8 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.634653] PKRU: 55555554
[   69.634709] Call Trace:
[   69.634757]  <TASK>
[   69.634823]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.634887]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.634944]  cleanup_net (net/core/net_namespace.c:702)
[   69.635001]  process_one_work (kernel/workqueue.c:3314)
[   69.635057]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.635114]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.635171]  kthread (kernel/kthread.c:436)
[   69.635228]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.635285]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.635342]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.635399]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.635719] ------------[ cut here ]------------
| [   69.635758] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/491
| [   69.635811] Modules linked in: unix_diag
| [   69.635892] Tainted: [W]=WARN
[   69.635910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.635947] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.635977] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.636075] RSP: 0018:ff6ea73100743cb8 EFLAGS: 00010286
[   69.636105] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.636146] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0475d900
[   69.636187] RBP: 0000000000000000 R08: ff18c0ab03238590 R09: ff18c0ab0118002c
[   69.636236] R10: ff18c0ab0338a120 R11: fefefefefefefeff R12: 0000000000000000
[   69.636277] R13: 0000000000000010 R14: ff18c0ab0338a000 R15: ff18c0ab0475d900
[   69.636323] FS:  00007fc2fe829840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   69.636371] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.636409] CR2: 00007fc2fea2ac20 CR3: 00000000082b1004 CR4: 0000000000771ef0
[   69.636452] PKRU: 55555554
[   69.636467] Call Trace:
[   69.636480]  <TASK>
[   69.636495]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.636519]  register_netdevice (net/core/dev.c:11488)
[   69.636539]  register_netdev (net/core/dev.c:11552)
[   69.636562]  loopback_net_init (drivers/net/loopback.c:218)
[   69.636588]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   69.636620]  ops_init (net/core/net_namespace.c:137)
[   69.636644]  setup_net (net/core/net_namespace.c:446)
[   69.636679]  copy_net_ns (net/core/net_namespace.c:579)
[   69.636702]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.636734]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.636763]  ksys_unshare (kernel/fork.c:3243)
[   69.636789]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.636811]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.636836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.636868] RIP: 0033:0x7fc2feaebbcb
[   69.636890] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   69.636995] RSP: 002b:00007ffd9cebf3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.637039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc2feaebbcb
[   69.637080] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.637125] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.637168] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cec1610
[   69.637210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cec38c0
| [   69.637369] ------------[ cut here ]------------
| [   69.637396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/491
| [   69.637446] Modules linked in: unix_diag
| [   69.637536] Tainted: [W]=WARN
[   69.637561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.637599] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.637628] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.637729] RSP: 0018:ff6ea73100743c10 EFLAGS: 00010286
[   69.637755] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.637795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08880d00
[   69.637837] RBP: 0000000000000000 R08: ff18c0ab033e90d0 R09: ff18c0ab093cf030
[   69.637879] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   69.637922] R13: 0000000000000010 R14: ff18c0ab01180000 R15: ff18c0ab08880d00
[   69.637967] FS:  00007fc2fe829840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   69.638007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.638042] CR2: 00007fc2fea2ac20 CR3: 00000000082b1004 CR4: 0000000000771ef0
[   69.638084] PKRU: 55555554
[   69.638100] Call Trace:
[   69.638115]  <TASK>
[   69.638129]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.638152]  register_netdevice (net/core/dev.c:11488)
[   69.638174]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.638198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.638220]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   69.638244]  ops_init (net/core/net_namespace.c:137)
[   69.638265]  setup_net (net/core/net_namespace.c:446)
[   69.638288]  copy_net_ns (net/core/net_namespace.c:579)
[   69.638312]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.638338]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.638362]  ksys_unshare (kernel/fork.c:3243)
[   69.638385]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.638406]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.638430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.638460] RIP: 0033:0x7fc2feaebbcb
[   69.638481] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   69.638580] RSP: 002b:00007ffd9cebf3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.638612] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc2feaebbcb
[   69.638651] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.638691] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.638733] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cec1610
[   69.638770] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cec38c0
| [   69.638896] ------------[ cut here ]------------
| [   69.638922] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/491
| [   69.638973] Modules linked in: unix_diag
| [   69.639043] Tainted: [W]=WARN
[   69.639065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.639099] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.639127] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.639225] RSP: 0018:ff6ea73100743bf0 EFLAGS: 00010286
[   69.639254] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.639295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab033bc600
[   69.639333] RBP: 0000000000000000 R08: ff18c0ab03296250 R09: ff18c0ab093ca030
[   69.639376] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   69.639423] R13: 0000000000000010 R14: ff18c0ab03394000 R15: ff18c0ab033bc600
[   69.639469] FS:  00007fc2fe829840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   69.639513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.639545] CR2: 00007fc2fea2ac20 CR3: 00000000082b1004 CR4: 0000000000771ef0
[   69.639594] PKRU: 55555554
[   69.639611] Call Trace:
[   69.639626]  <TASK>
[   69.639639]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.639660]  register_netdevice (net/core/dev.c:11488)
[   69.639686]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.639707]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.639730]  vti_init_net (net/ipv4/ip_vti.c:517)
[   69.639752]  ops_init (net/core/net_namespace.c:137)
[   69.639774]  setup_net (net/core/net_namespace.c:446)
[   69.639793]  copy_net_ns (net/core/net_namespace.c:579)
[   69.639811]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.639839]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.639865]  ksys_unshare (kernel/fork.c:3243)
[   69.639884]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.639905]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.639927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.639954] RIP: 0033:0x7fc2feaebbcb
[   69.639975] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   69.640078] RSP: 002b:00007ffd9cebf3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.640119] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc2feaebbcb
[   69.640163] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.640208] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.640252] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cec1610
[   69.640296] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cec38c0
| [   69.640435] ------------[ cut here ]------------
| [   69.640462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/491
| [   69.640502] Modules linked in: unix_diag
| [   69.640580] Tainted: [W]=WARN
[   69.640600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.640636] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.640666] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.640765] RSP: 0018:ff6ea73100743ca8 EFLAGS: 00010286
[   69.640794] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.640834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab046c6100
[   69.640874] RBP: 0000000000000000 R08: ff18c0ab03223850 R09: ff18c0ab03396034
[   69.640920] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   69.640958] R13: 0000000000000010 R14: ff18c0ab03388000 R15: ff18c0ab046c6100
[   69.641000] FS:  00007fc2fe829840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   69.641045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.641079] CR2: 00007fc2fea2ac20 CR3: 00000000082b1004 CR4: 0000000000771ef0
[   69.641124] PKRU: 55555554
[   69.641138] Call Trace:
[   69.641151]  <TASK>
[   69.641163]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.641183]  register_netdevice (net/core/dev.c:11488)
[   69.641204]  register_netdev (net/core/dev.c:11552)
[   69.641226]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   69.641250]  ops_init (net/core/net_namespace.c:137)
[   69.641271]  setup_net (net/core/net_namespace.c:446)
[   69.641293]  copy_net_ns (net/core/net_namespace.c:579)
[   69.641313]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.641343]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.641368]  ksys_unshare (kernel/fork.c:3243)
[   69.641387]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.641408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.641427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.641455] RIP: 0033:0x7fc2feaebbcb
[   69.641476] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   69.641587] RSP: 002b:00007ffd9cebf3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.641629] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc2feaebbcb
[   69.641669] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.641710] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.641753] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cec1610
[   69.641801] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cec38c0
| [   69.641926] ------------[ cut here ]------------
| [   69.641952] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/491
| [   69.642001] Modules linked in: unix_diag
| [   69.642081] Tainted: [W]=WARN
[   69.642101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.642135] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.642167] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.642263] RSP: 0018:ff6ea73100743ca0 EFLAGS: 00010286
[   69.642293] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.642339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0618fa00
[   69.642384] RBP: 0000000000000000 R08: ff18c0ab03238b10 R09: ff18c0ab04607030
[   69.642426] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   69.642470] R13: 0000000000000010 R14: ff18c0ab03396000 R15: ff18c0ab0618fa00
[   69.642514] FS:  00007fc2fe829840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   69.642564] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.642600] CR2: 00007fc2fea2ac20 CR3: 00000000082b1004 CR4: 0000000000771ef0
[   69.642641] PKRU: 55555554
[   69.642655] Call Trace:
[   69.642671]  <TASK>
[   69.642683]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.642699]  register_netdevice (net/core/dev.c:11488)
[   69.642720]  register_netdev (net/core/dev.c:11552)
[   69.642742]  sit_init_net (net/ipv6/sit.c:1860)
[   69.642765]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   69.642787]  ops_init (net/core/net_namespace.c:137)
[   69.642805]  setup_net (net/core/net_namespace.c:446)
[   69.642825]  copy_net_ns (net/core/net_namespace.c:579)
[   69.642843]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.642874]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.642903]  ksys_unshare (kernel/fork.c:3243)
[   69.642925]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.642947]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.642968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.642997] RIP: 0033:0x7fc2feaebbcb
[   69.643016] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   69.643121] RSP: 002b:00007ffd9cebf3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.643163] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc2feaebbcb
[   69.643204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.643248] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.643288] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cec1610
[   69.643326] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cec38c0
| [   69.643452] ------------[ cut here ]------------
| [   69.643479] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/491
| [   69.643531] Modules linked in: unix_diag
| [   69.643612] Tainted: [W]=WARN
[   69.643632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.643671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.643698] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.643792] RSP: 0018:ff6ea73100743ca8 EFLAGS: 00010286
[   69.643817] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.643858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0475de00
[   69.643899] RBP: 0000000000000000 R08: ff18c0ab03296f10 R09: ff18c0ab0302e030
[   69.643938] R10: ff18c0ab04607120 R11: fefefefefefefeff R12: 0000000000000000
[   69.643981] R13: 0000000000000010 R14: ff18c0ab04607000 R15: ff18c0ab0475de00
[   69.644025] FS:  00007fc2fe829840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   69.644066] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.644102] CR2: 00007fc2fea2ac20 CR3: 00000000082b1004 CR4: 0000000000771ef0
[   69.644145] PKRU: 55555554
[   69.644159] Call Trace:
[   69.644173]  <TASK>
[   69.644187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.644207]  register_netdevice (net/core/dev.c:11488)
[   69.644228]  register_netdev (net/core/dev.c:11552)
[   69.644250]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   69.644272]  ops_init (net/core/net_namespace.c:137)
[   69.644292]  setup_net (net/core/net_namespace.c:446)
[   69.644314]  copy_net_ns (net/core/net_namespace.c:579)
[   69.644336]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.644363]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.644389]  ksys_unshare (kernel/fork.c:3243)
[   69.644412]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.644433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.644455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.644482] RIP: 0033:0x7fc2feaebbcb
[   69.644504] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   69.644601] RSP: 002b:00007ffd9cebf3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.644640] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc2feaebbcb
[   69.644684] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.644729] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.644772] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd9cec1610
[   69.644812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9cec38c0
| [   69.648349] ------------[ cut here ]------------
| [   69.648415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/492
| [   69.648501] Modules linked in: unix_diag
| [   69.648665] Tainted: [W]=WARN
[   69.648719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.648789] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.648853] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.648984] RSP: 0018:ff6ea73100743720 EFLAGS: 00010286
[   69.649046] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   69.649125] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0475d100
[   69.649201] RBP: 0000000000000000 R08: ff18c0ab03238590 R09: ff18c0ab0302f02c
[   69.649277] R10: ff18c0ab0338a120 R11: fefefefefefefeff R12: 0000000000000000
[   69.649353] R13: 0000000000000010 R14: ff18c0ab0338a000 R15: ff18c0ab0475d100
[   69.649434] FS:  00007f035c53a840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   69.649513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.649590] CR2: 000000001c34e988 CR3: 0000000004483002 CR4: 0000000000771ef0
[   69.649689] PKRU: 55555554
[   69.649744] Call Trace:
[   69.649793]  <TASK>
[   69.649841]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.649898]  __dev_notify_flags (net/core/dev.c:9787)
[   69.649955]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   69.650011]  netif_change_flags (net/core/dev.c:9820)
[   69.650068]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   69.650125]  ? __nla_validate_parse (lib/nlattr.c:620)
[   69.650191]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   69.650249]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   69.650307]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   69.650376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.650438]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   69.650500]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   69.650576]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.650639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.650709]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.650771]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.650829]  ___sys_sendmsg (net/socket.c:2752)
[   69.650887]  __sys_sendmsg (net/socket.c:2784)
[   69.650944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.651001]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.651064] RIP: 0033:0x7f035c77408e
[   69.651119] 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
[   69.651251] RSP: 002b:00007fffa2382350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.651327] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f035c77408e
[   69.651405] RDX: 0000000000000000 RSI: 00007fffa2382400 RDI: 0000000000000005
[   69.651483] RBP: 00007fffa2382360 R08: 0000000000000000 R09: 0000000000000000
[   69.651565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d331
[   69.651642] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa2382ad0
| [   69.651899] ------------[ cut here ]------------
| [   69.651937] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   69.651996] Modules linked in: unix_diag
| [   69.652076] Tainted: [W]=WARN
[   69.652097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.652129] Workqueue: netns cleanup_net
[   69.652151] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.652177] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.652277] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   69.652307] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   69.652349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc000
[   69.652395] RBP: 0000000000000000 R08: ff18c0ab032962d0 R09: ff18c0ab0460202c
[   69.652436] R10: ff18c0ab06070120 R11: fefefefefefefeff R12: 0000000000000000
[   69.652486] R13: 0000000000000010 R14: ff18c0ab06070000 R15: ff18c0ab047dc000
[   69.652533] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   69.652584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.652626] CR2: 000055ba77152648 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.652681] PKRU: 55555554
[   69.652697] Call Trace:
[   69.652711]  <TASK>
[   69.652727]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   69.652751]  netif_close_many (net/core/dev.c:1804)
[   69.652772]  ? schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[   69.652797]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.652828]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.652856]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.652881]  cleanup_net (net/core/net_namespace.c:702)
[   69.652903]  process_one_work (kernel/workqueue.c:3314)
[   69.652926]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.652947]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.652966]  kthread (kernel/kthread.c:436)
[   69.652991]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.653011]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.653035]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.653058]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.653202] ------------[ cut here ]------------
| [   69.653231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   69.653285] Modules linked in: unix_diag
| [   69.653374] Tainted: [W]=WARN
[   69.653398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.653436] Workqueue: netns cleanup_net
[   69.653459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.653488] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   69.653591] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   69.653615] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   69.653664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab087a7300
[   69.653705] RBP: 0000000000000000 R08: ff18c0ab032962d0 R09: ff18c0ab0784502c
[   69.653745] R10: ff18c0ab06070120 R11: fefefefefefefeff R12: 0000000000000000
[   69.653789] R13: 0000000000000011 R14: ff18c0ab06070000 R15: ff18c0ab087a7300
[   69.653835] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   69.653880] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.653922] CR2: 000055ba77152648 CR3: 0000000033447006 CR4: 0000000000771ef0
[   69.653965] PKRU: 55555554
[   69.653979] Call Trace:
[   69.653993]  <TASK>
[   69.654007]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.654036]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.654065]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.654088]  cleanup_net (net/core/net_namespace.c:702)
[   69.654109]  process_one_work (kernel/workqueue.c:3314)
[   69.654129]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.654150]  ? rescuer_thread (kernel/workqueue.c:3672)
[   69.654169]  kthread (kernel/kthread.c:436)
[   69.654192]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.654215]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.654237]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   69.654258]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.695812] ------------[ cut here ]------------
| [   74.695871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.695930] Modules linked in: unix_diag
| [   74.696010] Tainted: [W]=WARN
[   74.696031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.696064] Workqueue: netns cleanup_net
[   74.696089] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.696118] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.696212] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   74.696244] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.696289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab087a6600
[   74.696331] RBP: 0000000000000000 R08: ff18c0ab03296f10 R09: ff18c0ab078ea830
[   74.696370] R10: ff18c0ab04607120 R11: fefefefefefefeff R12: 0000000000000000
[   74.696411] R13: 0000000000000011 R14: ff18c0ab04607000 R15: ff18c0ab087a6600
[   74.696453] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.696495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.696531] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.696580] PKRU: 55555554
[   74.696596] Call Trace:
[   74.696611]  <TASK>
[   74.696627]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   74.696663]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   74.696686]  cleanup_net (net/core/net_namespace.c:702)
[   74.696707]  process_one_work (kernel/workqueue.c:3314)
[   74.696732]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.696755]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.696777]  kthread (kernel/kthread.c:436)
[   74.696800]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.696822]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.696848]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.696869]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.697058] ------------[ cut here ]------------
| [   74.697096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.697150] Modules linked in: unix_diag
| [   74.697225] Tainted: [W]=WARN
[   74.697246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.697282] Workqueue: netns cleanup_net
[   74.697309] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.697336] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.697424] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   74.697452] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.697493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0453f000
[   74.697534] RBP: 0000000000000000 R08: ff18c0ab03238b10 R09: ff18c0ab078d8030
[   74.697583] R10: ff18c0ab03396120 R11: fefefefefefefeff R12: 0000000000000000
[   74.697624] R13: 0000000000000011 R14: ff18c0ab03396000 R15: ff18c0ab0453f000
[   74.697671] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.697713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.697744] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.697790] PKRU: 55555554
[   74.697803] Call Trace:
[   74.697816]  <TASK>
[   74.697830]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   74.697858]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   74.697881]  cleanup_net (net/core/net_namespace.c:702)
[   74.697907]  process_one_work (kernel/workqueue.c:3314)
[   74.697928]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.697951]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.697970]  kthread (kernel/kthread.c:436)
[   74.697990]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.698011]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.698031]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.698054]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.698243] ------------[ cut here ]------------
| [   74.698281] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.698339] Modules linked in: unix_diag
| [   74.698413] Tainted: [W]=WARN
[   74.698431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.698467] Workqueue: netns cleanup_net
[   74.698491] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.698540] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.698639] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   74.698678] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.698720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   74.698765] RBP: 0000000000000000 R08: ff18c0ab03223850 R09: ff18c0ab03398834
[   74.698811] R10: ff18c0ab03388120 R11: fefefefefefefeff R12: 0000000000000000
[   74.698854] R13: 0000000000000011 R14: ff18c0ab03388000 R15: ff18c0ab047dc200
[   74.698896] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.698939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.698975] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.699017] PKRU: 55555554
[   74.699034] Call Trace:
[   74.699051]  <TASK>
[   74.699066]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   74.699096]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   74.699120]  cleanup_net (net/core/net_namespace.c:702)
[   74.699143]  process_one_work (kernel/workqueue.c:3314)
[   74.699166]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.699190]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.699212]  kthread (kernel/kthread.c:436)
[   74.699234]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.699253]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.699275]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.699302]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.699459] ------------[ cut here ]------------
| [   74.699494] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.699551] Modules linked in: unix_diag
| [   74.699638] Tainted: [W]=WARN
[   74.699664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.699699] Workqueue: netns cleanup_net
[   74.699721] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.699747] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.699831] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   74.699860] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.699898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   74.699942] RBP: 0000000000000000 R08: ff18c0ab03296250 R09: ff18c0ab061a2830
[   74.699986] R10: ff18c0ab03394120 R11: fefefefefefefeff R12: 0000000000000000
[   74.700023] R13: 0000000000000011 R14: ff18c0ab03394000 R15: ff18c0ab047dc200
[   74.700073] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.700113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.700146] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.700189] PKRU: 55555554
[   74.700203] Call Trace:
[   74.700217]  <TASK>
[   74.700233]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   74.700263]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   74.700283]  cleanup_net (net/core/net_namespace.c:702)
[   74.700308]  process_one_work (kernel/workqueue.c:3314)
[   74.700329]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.700351]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.700370]  kthread (kernel/kthread.c:436)
[   74.700394]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.700416]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.700438]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.700458]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.700644] ------------[ cut here ]------------
| [   74.700684] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.700740] Modules linked in: unix_diag
| [   74.700820] Tainted: [W]=WARN
[   74.700839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.700870] Workqueue: netns cleanup_net
[   74.700892] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.700920] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.701008] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   74.701035] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.701072] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   74.701115] RBP: 0000000000000000 R08: ff18c0ab033e90d0 R09: ff18c0ab04651830
[   74.701156] R10: ff18c0ab01180120 R11: fefefefefefefeff R12: 0000000000000000
[   74.701196] R13: 0000000000000011 R14: ff18c0ab01180000 R15: ff18c0ab047dc200
[   74.701237] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.701287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.701320] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.701361] PKRU: 55555554
[   74.701376] Call Trace:
[   74.701389]  <TASK>
[   74.701405]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   74.701434]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   74.701454]  cleanup_net (net/core/net_namespace.c:702)
[   74.701478]  process_one_work (kernel/workqueue.c:3314)
[   74.701498]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.701520]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.701541]  kthread (kernel/kthread.c:436)
[   74.701562]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.701587]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.701606]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.701629]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.705837] ------------[ cut here ]------------
| [   74.705915] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/508
| [   74.706004] Modules linked in: unix_diag
| [   74.706165] Tainted: [W]=WARN
[   74.706226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.706301] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.706376] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.706513] RSP: 0018:ff6ea73100813cb8 EFLAGS: 00010286
[   74.706594] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.706690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0325d900
[   74.706775] RBP: 0000000000000000 R08: ff18c0ab032d9c10 R09: ff18c0ab02eae02c
[   74.706856] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   74.706935] R13: 0000000000000010 R14: ff18c0ab0302a000 R15: ff18c0ab0325d900
[   74.707018] FS:  00007fc9cb4de840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   74.707100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.707173] CR2: 00007fc9cb6dfc20 CR3: 0000000004717001 CR4: 0000000000771ef0
[   74.707249] PKRU: 55555554
[   74.707298] Call Trace:
[   74.707348]  <TASK>
[   74.707398]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.707460]  register_netdevice (net/core/dev.c:11488)
[   74.707521]  register_netdev (net/core/dev.c:11552)
[   74.707593]  loopback_net_init (drivers/net/loopback.c:218)
[   74.707656]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   74.707733]  ops_init (net/core/net_namespace.c:137)
[   74.707794]  setup_net (net/core/net_namespace.c:446)
[   74.707856]  copy_net_ns (net/core/net_namespace.c:579)
[   74.707914]  create_new_namespaces (kernel/nsproxy.c:132)
[   74.707983]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   74.708050]  ksys_unshare (kernel/fork.c:3243)
[   74.708112]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   74.708170]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.708236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.708300] RIP: 0033:0x7fc9cb7a0bcb
[   74.708358] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.708484] RSP: 002b:00007fff3cffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   74.708561] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9cb7a0bcb
[   74.708647] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   74.708730] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   74.708810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3d000340
[   74.708890] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3d0018c0
| [   74.709146] ------------[ cut here ]------------
| [   74.709207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/508
| [   74.709295] Modules linked in: unix_diag
| [   74.709450] Tainted: [W]=WARN
[   74.709506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.709581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.709651] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.709783] RSP: 0018:ff6ea73100813c10 EFLAGS: 00010286
[   74.709849] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.709927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab01c03e00
[   74.710003] RBP: 0000000000000000 R08: ff18c0ab03227f10 R09: ff18c0ab08758830
[   74.710081] R10: ff18c0ab02eae120 R11: fefefefefefefeff R12: 0000000000000000
[   74.710156] R13: 0000000000000010 R14: ff18c0ab02eae000 R15: ff18c0ab01c03e00
[   74.710238] FS:  00007fc9cb4de840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   74.710315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.710387] CR2: 00007fc9cb6dfc20 CR3: 0000000004717001 CR4: 0000000000771ef0
[   74.710466] PKRU: 55555554
[   74.710515] Call Trace:
[   74.710565]  <TASK>
[   74.710624]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.710690]  register_netdevice (net/core/dev.c:11488)
[   74.710752]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   74.710815]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   74.710877]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   74.710936]  ops_init (net/core/net_namespace.c:137)
[   74.710995]  setup_net (net/core/net_namespace.c:446)
[   74.711058]  copy_net_ns (net/core/net_namespace.c:579)
[   74.711120]  create_new_namespaces (kernel/nsproxy.c:132)
[   74.711185]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   74.711254]  ksys_unshare (kernel/fork.c:3243)
[   74.711315]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   74.711372]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.711434]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.711500] RIP: 0033:0x7fc9cb7a0bcb
[   74.711562] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.711698] RSP: 002b:00007fff3cffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   74.711775] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9cb7a0bcb
[   74.711847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   74.711925] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   74.712002] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3d000340
[   74.712080] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3d0018c0
| [   74.712324] ------------[ cut here ]------------
| [   74.712386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/508
| [   74.712468] Modules linked in: unix_diag
| [   74.712624] Tainted: [W]=WARN
[   74.712690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.712761] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.712829] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.712953] RSP: 0018:ff6ea73100813bf0 EFLAGS: 00010286
[   74.713017] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.713093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab08bd3d00
[   74.713171] RBP: 0000000000000000 R08: ff18c0ab044c2090 R09: ff18c0ab044e5830
[   74.713248] R10: ff18c0ab04604120 R11: fefefefefefefeff R12: 0000000000000000
[   74.713325] R13: 0000000000000010 R14: ff18c0ab04604000 R15: ff18c0ab08bd3d00
[   74.713402] FS:  00007fc9cb4de840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   74.713482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.713553] CR2: 00007fc9cb6dfc20 CR3: 0000000004717001 CR4: 0000000000771ef0
[   74.713641] PKRU: 55555554
[   74.713698] Call Trace:
[   74.713748]  <TASK>
[   74.713798]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.713854]  register_netdevice (net/core/dev.c:11488)
[   74.713915]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   74.713976]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   74.714037]  vti_init_net (net/ipv4/ip_vti.c:517)
[   74.714098]  ops_init (net/core/net_namespace.c:137)
[   74.714160]  setup_net (net/core/net_namespace.c:446)
[   74.714222]  copy_net_ns (net/core/net_namespace.c:579)
[   74.714285]  create_new_namespaces (kernel/nsproxy.c:132)
[   74.714353]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   74.714418]  ksys_unshare (kernel/fork.c:3243)
[   74.714480]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   74.714541]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.714611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.714681] RIP: 0033:0x7fc9cb7a0bcb
[   74.714741] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.714861] RSP: 002b:00007fff3cffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   74.714940] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9cb7a0bcb
[   74.715017] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   74.715095] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   74.715172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3d000340
[   74.715250] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3d0018c0
| [   74.715507] ------------[ cut here ]------------
| [   74.715578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/508
| [   74.715672] Modules linked in: unix_diag
| [   74.715827] Tainted: [W]=WARN
[   74.715887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.715955] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.716021] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.716146] RSP: 0018:ff6ea73100813ca8 EFLAGS: 00010286
[   74.716211] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.716285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab078a3e00
[   74.716361] RBP: 0000000000000000 R08: ff18c0ab032964d0 R09: ff18c0ab06075034
[   74.716438] R10: ff18c0ab01c30120 R11: fefefefefefefeff R12: 0000000000000000
[   74.716515] R13: 0000000000000010 R14: ff18c0ab01c30000 R15: ff18c0ab078a3e00
[   74.716601] FS:  00007fc9cb4de840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   74.716691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.716763] CR2: 00007fc9cb6dfc20 CR3: 0000000004717001 CR4: 0000000000771ef0
[   74.716843] PKRU: 55555554
[   74.716893] Call Trace:
[   74.716943]  <TASK>
[   74.716993]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.717055]  register_netdevice (net/core/dev.c:11488)
[   74.717114]  register_netdev (net/core/dev.c:11552)
[   74.717172]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   74.717234]  ops_init (net/core/net_namespace.c:137)
[   74.717296]  setup_net (net/core/net_namespace.c:446)
[   74.717358]  copy_net_ns (net/core/net_namespace.c:579)
[   74.717416]  create_new_namespaces (kernel/nsproxy.c:132)
[   74.717479]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   74.717544]  ksys_unshare (kernel/fork.c:3243)
[   74.717610]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   74.717675]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.717738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.717802] RIP: 0033:0x7fc9cb7a0bcb
[   74.717864] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.717988] RSP: 002b:00007fff3cffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   74.718064] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9cb7a0bcb
[   74.718143] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   74.718215] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   74.718295] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3d000340
[   74.718375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3d0018c0
| [   74.718639] ------------[ cut here ]------------
| [   74.718708] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/508
| [   74.718795] Modules linked in: unix_diag
| [   74.718946] Tainted: [W]=WARN
[   74.719003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.719072] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.719140] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.719263] RSP: 0018:ff6ea73100813ca0 EFLAGS: 00010286
[   74.719329] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.719408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab04534b00
[   74.719485] RBP: 0000000000000000 R08: ff18c0ab03223f90 R09: ff18c0ab06070030
[   74.719564] R10: ff18c0ab06075120 R11: fefefefefefefeff R12: 0000000000000000
[   74.719652] R13: 0000000000000010 R14: ff18c0ab06075000 R15: ff18c0ab04534b00
[   74.719741] FS:  00007fc9cb4de840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   74.719819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.719890] CR2: 00007fc9cb6dfc20 CR3: 0000000004717001 CR4: 0000000000771ef0
[   74.719974] PKRU: 55555554
[   74.720022] Call Trace:
[   74.720072]  <TASK>
[   74.720122]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.720184]  register_netdevice (net/core/dev.c:11488)
[   74.720246]  register_netdev (net/core/dev.c:11552)
[   74.720308]  sit_init_net (net/ipv6/sit.c:1860)
[   74.720368]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   74.720427]  ops_init (net/core/net_namespace.c:137)
[   74.720487]  setup_net (net/core/net_namespace.c:446)
[   74.720544]  copy_net_ns (net/core/net_namespace.c:579)
[   74.720615]  create_new_namespaces (kernel/nsproxy.c:132)
[   74.720690]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   74.720755]  ksys_unshare (kernel/fork.c:3243)
[   74.720814]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   74.720873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.720932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.720996] RIP: 0033:0x7fc9cb7a0bcb
[   74.721057] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.721179] RSP: 002b:00007fff3cffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   74.721261] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9cb7a0bcb
[   74.721338] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   74.721413] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   74.721490] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3d000340
[   74.721566] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3d0018c0
| [   74.721840] ------------[ cut here ]------------
| [   74.721905] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/508
| [   74.721993] Modules linked in: unix_diag
| [   74.722146] Tainted: [W]=WARN
[   74.722205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.722273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.722341] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.722461] RSP: 0018:ff6ea73100813ca8 EFLAGS: 00010286
[   74.722525] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.722616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab0325db00
[   74.722700] RBP: 0000000000000000 R08: ff18c0ab03287550 R09: ff18c0ab01884030
[   74.722779] R10: ff18c0ab06070120 R11: fefefefefefefeff R12: 0000000000000000
[   74.722854] R13: 0000000000000010 R14: ff18c0ab06070000 R15: ff18c0ab0325db00
[   74.722932] FS:  00007fc9cb4de840(0000) GS:ff18c0abb2148000(0000) knlGS:0000000000000000
[   74.723010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.723078] CR2: 00007fc9cb6dfc20 CR3: 0000000004717001 CR4: 0000000000771ef0
[   74.723155] PKRU: 55555554
[   74.723204] Call Trace:
[   74.723254]  <TASK>
[   74.723305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.723363]  register_netdevice (net/core/dev.c:11488)
[   74.723423]  register_netdev (net/core/dev.c:11552)
[   74.723482]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   74.723545]  ops_init (net/core/net_namespace.c:137)
[   74.723612]  setup_net (net/core/net_namespace.c:446)
[   74.723679]  copy_net_ns (net/core/net_namespace.c:579)
[   74.723741]  create_new_namespaces (kernel/nsproxy.c:132)
[   74.723813]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   74.723881]  ksys_unshare (kernel/fork.c:3243)
[   74.723942]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   74.724001]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.724059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.724126] RIP: 0033:0x7fc9cb7a0bcb
[   74.724184] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   74.724310] RSP: 002b:00007fff3cffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   74.724403] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc9cb7a0bcb
[   74.724488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   74.724583] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   74.724677] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff3d000340
[   74.724762] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff3d0018c0
| [   74.727743] ------------[ cut here ]------------
| [   74.727782] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.727837] Modules linked in: unix_diag
| [   74.727911] Tainted: [W]=WARN
[   74.727934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.727964] Workqueue: netns cleanup_net
[   74.727986] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.728017] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.728115] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   74.728147] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   74.728185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   74.728220] RBP: 0000000000000000 R08: ff18c0ab03238590 R09: ff18c0ab0118002c
[   74.728259] R10: ff18c0ab0338a120 R11: fefefefefefefeff R12: 0000000000000000
[   74.728299] R13: 0000000000000010 R14: ff18c0ab0338a000 R15: ff18c0ab047dc200
[   74.728340] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.728383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.728419] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.728460] PKRU: 55555554
[   74.728474] Call Trace:
[   74.728486]  <TASK>
[   74.728500]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.728524]  netif_close_many (net/core/dev.c:1804)
[   74.728545]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   74.728575]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   74.728598]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   74.728626]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   74.728648]  cleanup_net (net/core/net_namespace.c:702)
[   74.728677]  process_one_work (kernel/workqueue.c:3314)
[   74.728698]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.728718]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.728738]  kthread (kernel/kthread.c:436)
[   74.728762]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.728783]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.728808]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.728829]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.728983] ------------[ cut here ]------------
| [   74.729021] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   74.729078] Modules linked in: unix_diag
| [   74.729151] Tainted: [W]=WARN
[   74.729173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.729210] Workqueue: netns cleanup_net
[   74.729231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.729258] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.729348] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   74.729380] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   74.729418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   74.729462] RBP: 0000000000000000 R08: ff18c0ab03238590 R09: ff18c0ab061f382c
[   74.729504] R10: ff18c0ab0338a120 R11: fefefefefefefeff R12: 0000000000000000
[   74.729545] R13: 0000000000000011 R14: ff18c0ab0338a000 R15: ff18c0ab047dc200
[   74.729597] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   74.729637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.729676] CR2: 0000556fffd5a658 CR3: 0000000033447002 CR4: 0000000000771ef0
[   74.729716] PKRU: 55555554
[   74.729730] Call Trace:
[   74.729744]  <TASK>
[   74.729759]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   74.729786]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   74.729812]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   74.729834]  cleanup_net (net/core/net_namespace.c:702)
[   74.729854]  process_one_work (kernel/workqueue.c:3314)
[   74.729875]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.729895]  ? rescuer_thread (kernel/workqueue.c:3672)
[   74.729921]  kthread (kernel/kthread.c:436)
[   74.729943]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.729968]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.729989]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   74.730009]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.730814] ------------[ cut here ]------------
| [   74.730847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/509
| [   74.730898] Modules linked in: unix_diag
| [   74.730974] Tainted: [W]=WARN
[   74.730997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.731029] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.731056] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   74.731141] RSP: 0018:ff6ea7310076b720 EFLAGS: 00010286
[   74.731167] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   74.731203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab033f8800
[   74.731248] RBP: 0000000000000000 R08: ff18c0ab032d9c10 R09: ff18c0ab0302e02c
[   74.731287] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   74.731331] R13: 0000000000000010 R14: ff18c0ab0302a000 R15: ff18c0ab033f8800
[   74.731373] FS:  00007f777f4a1840(0000) GS:ff18c0abb21c8000(0000) knlGS:0000000000000000
[   74.731412] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.731449] CR2: 00007f777f7711a0 CR3: 0000000003163002 CR4: 0000000000771ef0
[   74.731487] PKRU: 55555554
[   74.731501] Call Trace:
[   74.731514]  <TASK>
[   74.731530]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   74.731551]  __dev_notify_flags (net/core/dev.c:9787)
[   74.731582]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   74.731605]  netif_change_flags (net/core/dev.c:9820)
[   74.731627]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   74.731650]  ? __nla_validate_parse (lib/nlattr.c:620)
[   74.731682]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   74.731705]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   74.731728]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   74.731755]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   74.731778]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   74.731801]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   74.731832]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   74.731854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.731875]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   74.731901]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   74.731929]  ___sys_sendmsg (net/socket.c:2752)
[   74.731952]  __sys_sendmsg (net/socket.c:2784)
[   74.731973]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.731993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.732019] RIP: 0033:0x7f777f6db08e
[   74.732040] 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
[   74.732132] RSP: 002b:00007fff6fd529a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.732173] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f777f6db08e
[   74.732213] RDX: 0000000000000000 RSI: 00007fff6fd52a50 RDI: 0000000000000005
[   74.732253] RBP: 00007fff6fd529b0 R08: 0000000000000000 R09: 0000000000000000
[   74.732293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d336
[   74.732332] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6fd53120
| [   79.772771] ------------[ cut here ]------------
| [   79.772827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.772893] Modules linked in: unix_diag
| [   79.772972] Tainted: [W]=WARN
[   79.772992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.773024] Workqueue: netns cleanup_net
[   79.773050] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.773083] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.773179] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   79.773207] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   79.773246] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.773289] RBP: 0000000000000000 R08: ff18c0ab03287550 R09: ff18c0ab0815f830
[   79.773334] R10: ff18c0ab06070120 R11: fefefefefefefeff R12: 0000000000000000
[   79.773375] R13: 0000000000000011 R14: ff18c0ab06070000 R15: ff18c0ab047dc200
[   79.773421] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.773461] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.773490] CR2: 000055ebf6876848 CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.773535] PKRU: 55555554
[   79.773551] Call Trace:
[   79.773569]  <TASK>
[   79.773589]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.773620]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.773645]  cleanup_net (net/core/net_namespace.c:702)
[   79.773671]  process_one_work (kernel/workqueue.c:3314)
[   79.773696]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.773714]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.773733]  kthread (kernel/kthread.c:436)
[   79.773756]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.773779]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.773802]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.773822]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.773963] ------------[ cut here ]------------
| [   79.773994] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.774051] Modules linked in: unix_diag
| [   79.774130] Tainted: [W]=WARN
[   79.774149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.774186] Workqueue: netns cleanup_net
[   79.774208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.774242] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.774338] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   79.774364] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   79.774400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.774447] RBP: 0000000000000000 R08: ff18c0ab03223f90 R09: ff18c0ab093e4830
[   79.774493] R10: ff18c0ab06075120 R11: fefefefefefefeff R12: 0000000000000000
[   79.774537] R13: 0000000000000011 R14: ff18c0ab06075000 R15: ff18c0ab047dc200
[   79.774577] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.774624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.774663] CR2: 000055ebf6876848 CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.774708] PKRU: 55555554
[   79.774721] Call Trace:
[   79.774737]  <TASK>
[   79.774751]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.774783]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.774809]  cleanup_net (net/core/net_namespace.c:702)
[   79.774834]  process_one_work (kernel/workqueue.c:3314)
[   79.774864]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.774886]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.774908]  kthread (kernel/kthread.c:436)
[   79.774933]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.774953]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.774977]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.775000]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.775195] ------------[ cut here ]------------
| [   79.775231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.775292] Modules linked in: unix_diag
| [   79.775375] Tainted: [W]=WARN
[   79.775398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.775434] Workqueue: netns cleanup_net
[   79.775457] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.775489] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.775602] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   79.775631] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   79.775682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.775725] RBP: 0000000000000000 R08: ff18c0ab032964d0 R09: ff18c0ab093e7834
[   79.775770] R10: ff18c0ab01c30120 R11: fefefefefefefeff R12: 0000000000000000
[   79.775813] R13: 0000000000000011 R14: ff18c0ab01c30000 R15: ff18c0ab047dc200
[   79.775860] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.775907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.775943] CR2: 000055ebf6876848 CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.775989] PKRU: 55555554
[   79.776005] Call Trace:
[   79.776020]  <TASK>
[   79.776035]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.776067]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.776091]  cleanup_net (net/core/net_namespace.c:702)
[   79.776115]  process_one_work (kernel/workqueue.c:3314)
[   79.776140]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.776161]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.776181]  kthread (kernel/kthread.c:436)
[   79.776205]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.776229]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.776251]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.776272]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.776392] ------------[ cut here ]------------
| [   79.776422] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.776482] Modules linked in: unix_diag
| [   79.776609] Tainted: [W]=WARN
[   79.776639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.776690] Workqueue: netns cleanup_net
[   79.776713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.776747] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.776907] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   79.776961] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   79.777042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.777102] RBP: 0000000000000000 R08: ff18c0ab044c2090 R09: ff18c0ab0606c030
[   79.777160] R10: ff18c0ab04604120 R11: fefefefefefefeff R12: 0000000000000000
[   79.777232] R13: 0000000000000011 R14: ff18c0ab04604000 R15: ff18c0ab047dc200
[   79.777287] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.777338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.777370] CR2: 000055ebf6876848 CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.777433] PKRU: 55555554
[   79.777458] Call Trace:
[   79.777470]  <TASK>
[   79.777486]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.777523]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.777559]  cleanup_net (net/core/net_namespace.c:702)
[   79.777586]  process_one_work (kernel/workqueue.c:3314)
[   79.777624]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.777649]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.777674]  kthread (kernel/kthread.c:436)
[   79.777709]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.777736]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.777761]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.777782]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.777989] ------------[ cut here ]------------
| [   79.778045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.778103] Modules linked in: unix_diag
| [   79.778215] Tainted: [W]=WARN
[   79.778250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.778322] Workqueue: netns cleanup_net
[   79.778353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.778401] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.778505] RSP: 0018:ff6ea73100247ce8 EFLAGS: 00010286
[   79.778569] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   79.778624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.778681] RBP: 0000000000000000 R08: ff18c0ab03227f10 R09: ff18c0ab0876f830
[   79.778725] R10: ff18c0ab02eae120 R11: fefefefefefefeff R12: 0000000000000000
[   79.778769] R13: 0000000000000011 R14: ff18c0ab02eae000 R15: ff18c0ab047dc200
[   79.778819] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.778863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.778897] CR2: 000055ebf6876848 CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.778943] PKRU: 55555554
[   79.778958] Call Trace:
[   79.778972]  <TASK>
[   79.778988]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.779018]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.779042]  cleanup_net (net/core/net_namespace.c:702)
[   79.779065]  process_one_work (kernel/workqueue.c:3314)
[   79.779089]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.779110]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.779133]  kthread (kernel/kthread.c:436)
[   79.779158]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.779182]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.779204]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.779228]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.785703] ------------[ cut here ]------------
| [   79.785755] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.785818] Modules linked in: unix_diag
| [   79.785900] Tainted: [W]=WARN
[   79.785918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.785956] Workqueue: netns cleanup_net
[   79.785977] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.786009] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.786114] RSP: 0018:ff6ea73100247c08 EFLAGS: 00010286
[   79.786148] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   79.786188] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.786230] RBP: 0000000000000000 R08: ff18c0ab032d9c10 R09: ff18c0ab02eae02c
[   79.786275] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   79.786319] R13: 0000000000000010 R14: ff18c0ab0302a000 R15: ff18c0ab047dc200
[   79.786367] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.786409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.786446] CR2: 00007fcaf66849dc CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.786493] PKRU: 55555554
[   79.786508] Call Trace:
[   79.786521]  <TASK>
[   79.786536]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   79.786561]  netif_close_many (net/core/dev.c:1804)
[   79.786588]  ? __alloc_empty_sheaf (./include/linux/slab.h:954 ./include/linux/slab.h:1188 mm/slub.c:2768)
[   79.786620]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.786649]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   79.786680]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.786714]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.786743]  cleanup_net (net/core/net_namespace.c:702)
[   79.786772]  process_one_work (kernel/workqueue.c:3314)
[   79.786796]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.786818]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.786845]  kthread (kernel/kthread.c:436)
[   79.786868]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.786891]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.786914]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.786938]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.787076] ------------[ cut here ]------------
| [   79.787104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [   79.787156] Modules linked in: unix_diag
| [   79.787229] Tainted: [W]=WARN
[   79.787249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.787287] Workqueue: netns cleanup_net
[   79.787315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.787341] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   79.787436] RSP: 0018:ff6ea73100247c78 EFLAGS: 00010286
[   79.787463] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   79.787507] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff18c0ab047dc200
[   79.787549] RBP: 0000000000000000 R08: ff18c0ab032d9c10 R09: ff18c0ab044e302c
[   79.787592] R10: ff18c0ab0302a120 R11: fefefefefefefeff R12: 0000000000000000
[   79.787633] R13: 0000000000000011 R14: ff18c0ab0302a000 R15: ff18c0ab047dc200
[   79.787679] FS:  0000000000000000(0000) GS:ff18c0abb20c8000(0000) knlGS:0000000000000000
[   79.787721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.787757] CR2: 00007fcaf66849dc CR3: 0000000033447002 CR4: 0000000000771ef0
[   79.787802] PKRU: 55555554
[   79.787816] Call Trace:
[   79.787829]  <TASK>
[   79.787844]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.787868]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.787894]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.787913]  cleanup_net (net/core/net_namespace.c:702)
[   79.787935]  process_one_work (kernel/workqueue.c:3314)
[   79.787956]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.787978]  ? rescuer_thread (kernel/workqueue.c:3672)
[   79.788004]  kthread (kernel/kthread.c:436)
[   79.788024]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   79.788044]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.788068]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
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:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch